[Stratos-dev] [libgpiod][PATCH V10 5/6] bindings: rust: Add tests for libgpiod crate

Add tests for the rust bindings, quite similar to the ones in cxx bindings.

Reviewed-by: Kent Gibson warthog618@gmail.com Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- bindings/rust/libgpiod/Cargo.toml | 3 + bindings/rust/libgpiod/tests/chip.rs | 97 ++++ bindings/rust/libgpiod/tests/common/config.rs | 142 +++++ bindings/rust/libgpiod/tests/common/mod.rs | 9 + bindings/rust/libgpiod/tests/edge_event.rs | 297 ++++++++++ bindings/rust/libgpiod/tests/info_event.rs | 166 ++++++ bindings/rust/libgpiod/tests/line_config.rs | 95 ++++ bindings/rust/libgpiod/tests/line_info.rs | 275 ++++++++++ bindings/rust/libgpiod/tests/line_request.rs | 509 ++++++++++++++++++ bindings/rust/libgpiod/tests/line_settings.rs | 203 +++++++ .../rust/libgpiod/tests/request_config.rs | 38 ++ 11 files changed, 1834 insertions(+) create mode 100644 bindings/rust/libgpiod/tests/chip.rs create mode 100644 bindings/rust/libgpiod/tests/common/config.rs create mode 100644 bindings/rust/libgpiod/tests/common/mod.rs create mode 100644 bindings/rust/libgpiod/tests/edge_event.rs create mode 100644 bindings/rust/libgpiod/tests/info_event.rs create mode 100644 bindings/rust/libgpiod/tests/line_config.rs create mode 100644 bindings/rust/libgpiod/tests/line_info.rs create mode 100644 bindings/rust/libgpiod/tests/line_request.rs create mode 100644 bindings/rust/libgpiod/tests/line_settings.rs create mode 100644 bindings/rust/libgpiod/tests/request_config.rs

diff --git a/bindings/rust/libgpiod/Cargo.toml b/bindings/rust/libgpiod/Cargo.toml index a38df1c0b10d..655e7a2ce107 100644 --- a/bindings/rust/libgpiod/Cargo.toml +++ b/bindings/rust/libgpiod/Cargo.toml @@ -20,3 +20,6 @@ intmap = "2.0.0" libc = "0.2.39" libgpiod-sys = { path = "../libgpiod-sys" } thiserror = "1.0" + +[dev-dependencies] +gpiosim-sys = { path = "../gpiosim-sys" } diff --git a/bindings/rust/libgpiod/tests/chip.rs b/bindings/rust/libgpiod/tests/chip.rs new file mode 100644 index 000000000000..702af93e5f2c --- /dev/null +++ b/bindings/rust/libgpiod/tests/chip.rs @@ -0,0 +1,97 @@ +// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause +// SPDX-FileCopyrightText: 2022 Linaro Ltd. +// SPDX-FileCopyrightTest: 2022 Viresh Kumar viresh.kumar@linaro.org + +mod common; + +mod chip { + use libc::{ENODEV, ENOENT, ENOTTY}; + use std::path::PathBuf; + + use gpiosim_sys::Sim; + use libgpiod::{chip::Chip, Error as ChipError, OperationType}; + + mod open { + use super::*; + + #[test] + fn nonexistent_file() { + assert_eq!( + Chip::open(&PathBuf::from("/dev/nonexistent")).unwrap_err(), + ChipError::OperationFailed(OperationType::ChipOpen, errno::Errno(ENOENT)) + ); + } + + #[test] + fn no_dev_file() { + assert_eq!( + Chip::open(&PathBuf::from("/tmp")).unwrap_err(), + ChipError::OperationFailed(OperationType::ChipOpen, errno::Errno(ENOTTY)) + ); + } + + #[test] + fn non_gpio_char_dev_file() { + assert_eq!( + Chip::open(&PathBuf::from("/dev/null")).unwrap_err(), + ChipError::OperationFailed(OperationType::ChipOpen, errno::Errno(ENODEV)) + ); + } + + #[test] + fn gpiosim_file() { + let sim = Sim::new(None, None, true).unwrap(); + assert!(Chip::open(&sim.dev_path()).is_ok()); + } + } + + mod verify { + use super::*; + const NGPIO: usize = 16; + const LABEL: &str = "foobar"; + + #[test] + fn basic_helpers() { + let sim = Sim::new(Some(NGPIO), Some(LABEL), true).unwrap(); + let chip = Chip::open(&sim.dev_path()).unwrap(); + let info = chip.info().unwrap(); + + assert_eq!(info.label().unwrap(), LABEL); + assert_eq!(info.name().unwrap(), sim.chip_name()); + assert_eq!(chip.path().unwrap(), sim.dev_path().to_str().unwrap()); + assert_eq!(info.num_lines(), NGPIO as usize); + } + + #[test] + fn find_line() { + let sim = Sim::new(Some(NGPIO), None, false).unwrap(); + sim.set_line_name(0, "zero").unwrap(); + sim.set_line_name(2, "two").unwrap(); + sim.set_line_name(3, "three").unwrap(); + sim.set_line_name(5, "five").unwrap(); + sim.set_line_name(10, "ten").unwrap(); + sim.set_line_name(11, "ten").unwrap(); + sim.enable().unwrap(); + + let chip = Chip::open(&sim.dev_path()).unwrap(); + + // Success case + assert_eq!(chip.line_offset_from_name("zero").unwrap(), 0); + assert_eq!(chip.line_offset_from_name("two").unwrap(), 2); + assert_eq!(chip.line_offset_from_name("three").unwrap(), 3); + assert_eq!(chip.line_offset_from_name("five").unwrap(), 5); + + // Success with duplicate names, should return first entry + assert_eq!(chip.line_offset_from_name("ten").unwrap(), 10); + + // Failure + assert_eq!( + chip.line_offset_from_name("nonexistent").unwrap_err(), + ChipError::OperationFailed( + OperationType::ChipGetLineOffsetFromName, + errno::Errno(ENOENT), + ) + ); + } + } +} diff --git a/bindings/rust/libgpiod/tests/common/config.rs b/bindings/rust/libgpiod/tests/common/config.rs new file mode 100644 index 000000000000..842a70a9d70e --- /dev/null +++ b/bindings/rust/libgpiod/tests/common/config.rs @@ -0,0 +1,142 @@ +// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause +// SPDX-FileCopyrightText: 2022 Linaro Ltd. +// SPDX-FileCopyrightTest: 2022 Viresh Kumar viresh.kumar@linaro.org + +use std::sync::{Arc, Mutex}; +use std::time::Duration; + +use gpiosim_sys::{Pull, Sim, Value as SimValue}; +use libgpiod::{ + chip::Chip, + line::{self, Bias, Direction, Drive, Edge, EventClock, Offset, SettingVal, Value}, + request, Result, +}; + +pub(crate) struct TestConfig { + sim: Arc<Mutex<Sim>>, + chip: Option<Chip>, + request: Optionrequest::Request, + rconfig: request::Config, + lconfig: line::Config, + lsettings: Optionline::Settings, +} + +impl TestConfig { + pub(crate) fn new(ngpio: usize) -> Result<Self> { + Ok(Self { + sim: Arc::new(Mutex::new(Sim::new(Some(ngpio), None, true)?)), + chip: None, + request: None, + rconfig: request::Config::new().unwrap(), + lconfig: line::Config::new().unwrap(), + lsettings: Some(line::Settings::new().unwrap()), + }) + } + + pub(crate) fn set_pull(&self, offsets: &[Offset], pulls: &[Pull]) { + for i in 0..pulls.len() { + self.sim + .lock() + .unwrap() + .set_pull(offsets[i], pulls[i]) + .unwrap(); + } + } + + pub(crate) fn rconfig_set_consumer(&self, consumer: &str) { + self.rconfig.set_consumer(consumer).unwrap(); + } + + pub(crate) fn lconfig_val(&mut self, dir: Option<Direction>, val: Option<Value>) { + let mut settings = Vec::new(); + + if let Some(dir) = dir { + settings.push(SettingVal::Direction(dir)); + } + + if let Some(val) = val { + settings.push(SettingVal::OutputValue(val)); + } + + if !settings.is_empty() { + self.lsettings().set_prop(&settings).unwrap(); + } + } + + pub(crate) fn lconfig_bias(&mut self, dir: Direction, bias: Option<Bias>) { + let settings = vec![SettingVal::Direction(dir), SettingVal::Bias(bias)]; + self.lsettings().set_prop(&settings).unwrap(); + } + + pub(crate) fn lconfig_clock(&mut self, clock: EventClock) { + let settings = vec![SettingVal::EventClock(clock)]; + self.lsettings().set_prop(&settings).unwrap(); + } + + pub(crate) fn lconfig_debounce(&mut self, duration: Duration) { + let settings = vec![ + SettingVal::Direction(Direction::Input), + SettingVal::DebouncePeriod(duration), + ]; + self.lsettings().set_prop(&settings).unwrap(); + } + + pub(crate) fn lconfig_drive(&mut self, dir: Direction, drive: Drive) { + let settings = vec![SettingVal::Direction(dir), SettingVal::Drive(drive)]; + self.lsettings().set_prop(&settings).unwrap(); + } + + pub(crate) fn lconfig_edge(&mut self, dir: Option<Direction>, edge: Option<Edge>) { + let mut settings = Vec::new(); + + if let Some(dir) = dir { + settings.push(SettingVal::Direction(dir)); + } + + settings.push(SettingVal::EdgeDetection(edge)); + self.lsettings().set_prop(&settings).unwrap(); + } + + pub(crate) fn lconfig_add_settings(&mut self, offsets: &[Offset]) { + self.lconfig + .add_line_settings(offsets, self.lsettings.take().unwrap()) + .unwrap() + } + + pub(crate) fn request_lines(&mut self) -> Result<()> { + let chip = Chip::open(&self.sim.lock().unwrap().dev_path())?; + + self.request = Some(chip.request_lines(&self.rconfig, &self.lconfig)?); + self.chip = Some(chip); + + Ok(()) + } + + pub(crate) fn sim(&self) -> Arc<Mutex<Sim>> { + self.sim.clone() + } + + pub(crate) fn sim_val(&self, offset: Offset) -> Result<SimValue> { + self.sim.lock().unwrap().val(offset) + } + + pub(crate) fn chip(&self) -> &Chip { + self.chip.as_ref().unwrap() + } + + pub(crate) fn lsettings(&mut self) -> &mut line::Settings { + self.lsettings.as_mut().unwrap() + } + + pub(crate) fn request(&self) -> &request::Request { + self.request.as_ref().unwrap() + } +} + +impl Drop for TestConfig { + fn drop(&mut self) { + // Explicit freeing is important to make sure "request" get freed + // before "sim" and "chip". + self.request = None; + } +} diff --git a/bindings/rust/libgpiod/tests/common/mod.rs b/bindings/rust/libgpiod/tests/common/mod.rs new file mode 100644 index 000000000000..5f725c61f905 --- /dev/null +++ b/bindings/rust/libgpiod/tests/common/mod.rs @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause +// SPDX-FileCopyrightText: 2022 Linaro Ltd. +// SPDX-FileCopyrightTest: 2022 Viresh Kumar viresh.kumar@linaro.org + +#[allow(dead_code)] +mod config; + +#[allow(unused_imports)] +pub(crate) use config::*; diff --git a/bindings/rust/libgpiod/tests/edge_event.rs b/bindings/rust/libgpiod/tests/edge_event.rs new file mode 100644 index 000000000000..571e574fa15e --- /dev/null +++ b/bindings/rust/libgpiod/tests/edge_event.rs @@ -0,0 +1,297 @@ +// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause +// SPDX-FileCopyrightText: 2022 Linaro Ltd. +// SPDX-FileCopyrightTest: 2022 Viresh Kumar viresh.kumar@linaro.org + +mod common; + +mod edge_event { + use std::time::Duration; + + use crate::common::*; + use gpiosim_sys::{Pull, Sim}; + use libgpiod::{ + line::{Edge, EdgeKind, Offset}, + request, + }; + + const NGPIO: usize = 8; + + mod buffer_capacity { + use super::*; + + #[test] + fn default_capacity() { + assert_eq!(request::Buffer::new(0).unwrap().capacity(), 64); + } + + #[test] + fn user_defined_capacity() { + assert_eq!(request::Buffer::new(123).unwrap().capacity(), 123); + } + + #[test] + fn max_capacity() { + assert_eq!(request::Buffer::new(1024 * 2).unwrap().capacity(), 1024); + } + } + + mod trigger { + use super::*; + use std::{ + sync::{Arc, Mutex}, + thread, + }; + + // Helpers to generate events + fn trigger_falling_and_rising_edge(sim: Arc<Mutex<Sim>>, offset: Offset) { + thread::spawn(move || { + thread::sleep(Duration::from_millis(30)); + sim.lock().unwrap().set_pull(offset, Pull::Up).unwrap(); + + thread::sleep(Duration::from_millis(30)); + sim.lock().unwrap().set_pull(offset, Pull::Down).unwrap(); + }); + } + + fn trigger_rising_edge_events_on_two_offsets(sim: Arc<Mutex<Sim>>, offset: [Offset; 2]) { + thread::spawn(move || { + thread::sleep(Duration::from_millis(30)); + sim.lock().unwrap().set_pull(offset[0], Pull::Up).unwrap(); + + thread::sleep(Duration::from_millis(30)); + sim.lock().unwrap().set_pull(offset[1], Pull::Up).unwrap(); + }); + } + + fn trigger_multiple_events(sim: Arc<Mutex<Sim>>, offset: Offset) { + sim.lock().unwrap().set_pull(offset, Pull::Up).unwrap(); + thread::sleep(Duration::from_millis(10)); + + sim.lock().unwrap().set_pull(offset, Pull::Down).unwrap(); + thread::sleep(Duration::from_millis(10)); + + sim.lock().unwrap().set_pull(offset, Pull::Up).unwrap(); + thread::sleep(Duration::from_millis(10)); + } + + #[test] + fn both_edges() { + const GPIO: Offset = 2; + let mut buf = request::Buffer::new(0).unwrap(); + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(None, Some(Edge::Both)); + config.lconfig_add_settings(&[GPIO]); + config.request_lines().unwrap(); + + // Generate events + trigger_falling_and_rising_edge(config.sim(), GPIO); + + // Rising event + assert!(config + .request() + .wait_edge_event(Some(Duration::from_secs(1))) + .unwrap()); + + let mut events = config.request().read_edge_events(&mut buf).unwrap(); + assert_eq!(events.len(), 1); + + let event = events.next().unwrap().unwrap(); + let ts_rising = event.timestamp(); + assert_eq!(event.event_type().unwrap(), EdgeKind::Rising); + assert_eq!(event.line_offset(), GPIO); + + // Falling event + assert!(config + .request() + .wait_edge_event(Some(Duration::from_secs(1))) + .unwrap()); + + let mut events = config.request().read_edge_events(&mut buf).unwrap(); + assert_eq!(events.len(), 1); + + let event = events.next().unwrap().unwrap(); + let ts_falling = event.timestamp(); + assert_eq!(event.event_type().unwrap(), EdgeKind::Falling); + assert_eq!(event.line_offset(), GPIO); + + // No events available + assert!(!config + .request() + .wait_edge_event(Some(Duration::from_millis(100))) + .unwrap()); + + assert!(ts_falling > ts_rising); + } + + #[test] + fn rising_edge() { + const GPIO: Offset = 6; + let mut buf = request::Buffer::new(0).unwrap(); + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(None, Some(Edge::Rising)); + config.lconfig_add_settings(&[GPIO]); + config.request_lines().unwrap(); + + // Generate events + trigger_falling_and_rising_edge(config.sim(), GPIO); + + // Rising event + assert!(config + .request() + .wait_edge_event(Some(Duration::from_secs(1))) + .unwrap()); + + let mut events = config.request().read_edge_events(&mut buf).unwrap(); + assert_eq!(events.len(), 1); + + let event = events.next().unwrap().unwrap(); + assert_eq!(event.event_type().unwrap(), EdgeKind::Rising); + assert_eq!(event.line_offset(), GPIO); + + // No events available + assert!(!config + .request() + .wait_edge_event(Some(Duration::from_millis(100))) + .unwrap()); + } + + #[test] + fn falling_edge() { + const GPIO: Offset = 7; + let mut buf = request::Buffer::new(0).unwrap(); + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(None, Some(Edge::Falling)); + config.lconfig_add_settings(&[GPIO]); + config.request_lines().unwrap(); + + // Generate events + trigger_falling_and_rising_edge(config.sim(), GPIO); + + // Falling event + assert!(config + .request() + .wait_edge_event(Some(Duration::from_secs(1))) + .unwrap()); + + let mut events = config.request().read_edge_events(&mut buf).unwrap(); + assert_eq!(events.len(), 1); + + let event = events.next().unwrap().unwrap(); + assert_eq!(event.event_type().unwrap(), EdgeKind::Falling); + assert_eq!(event.line_offset(), GPIO); + + // No events available + assert!(!config + .request() + .wait_edge_event(Some(Duration::from_millis(100))) + .unwrap()); + } + + #[test] + fn edge_sequence() { + const GPIO: [u32; 2] = [0, 1]; + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(None, Some(Edge::Both)); + config.lconfig_add_settings(&GPIO); + config.request_lines().unwrap(); + + // Generate events + trigger_rising_edge_events_on_two_offsets(config.sim(), GPIO); + + // Rising event GPIO 0 + let mut buf = request::Buffer::new(0).unwrap(); + assert!(config + .request() + .wait_edge_event(Some(Duration::from_secs(1))) + .unwrap()); + + let mut events = config.request().read_edge_events(&mut buf).unwrap(); + assert_eq!(events.len(), 1); + + let event = events.next().unwrap().unwrap(); + assert_eq!(event.event_type().unwrap(), EdgeKind::Rising); + assert_eq!(event.line_offset(), GPIO[0]); + assert_eq!(event.global_seqno(), 1); + assert_eq!(event.line_seqno(), 1); + + // Rising event GPIO 1 + assert!(config + .request() + .wait_edge_event(Some(Duration::from_secs(1))) + .unwrap()); + + let mut events = config.request().read_edge_events(&mut buf).unwrap(); + assert_eq!(events.len(), 1); + + let event = events.next().unwrap().unwrap(); + assert_eq!(event.event_type().unwrap(), EdgeKind::Rising); + assert_eq!(event.line_offset(), GPIO[1]); + assert_eq!(event.global_seqno(), 2); + assert_eq!(event.line_seqno(), 1); + + // No events available + assert!(!config + .request() + .wait_edge_event(Some(Duration::from_millis(100))) + .unwrap()); + } + + #[test] + fn multiple_events() { + const GPIO: Offset = 1; + let mut buf = request::Buffer::new(0).unwrap(); + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(None, Some(Edge::Both)); + config.lconfig_add_settings(&[GPIO]); + config.request_lines().unwrap(); + + // Generate events + trigger_multiple_events(config.sim(), GPIO); + + // Read multiple events + assert!(config + .request() + .wait_edge_event(Some(Duration::from_secs(1))) + .unwrap()); + + let events = config.request().read_edge_events(&mut buf).unwrap(); + assert_eq!(events.len(), 3); + + let mut global_seqno = 1; + let mut line_seqno = 1; + + // Verify sequence number of events + for event in events { + let event = event.unwrap(); + assert_eq!(event.line_offset(), GPIO); + assert_eq!(event.global_seqno(), global_seqno); + assert_eq!(event.line_seqno(), line_seqno); + + global_seqno += 1; + line_seqno += 1; + } + } + + #[test] + fn over_capacity() { + const GPIO: Offset = 2; + let mut buf = request::Buffer::new(2).unwrap(); + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(None, Some(Edge::Both)); + config.lconfig_add_settings(&[GPIO]); + config.request_lines().unwrap(); + + // Generate events + trigger_multiple_events(config.sim(), GPIO); + + // Read multiple events + assert!(config + .request() + .wait_edge_event(Some(Duration::from_secs(1))) + .unwrap()); + + let events = config.request().read_edge_events(&mut buf).unwrap(); + assert_eq!(events.len(), 2); + } + } +} diff --git a/bindings/rust/libgpiod/tests/info_event.rs b/bindings/rust/libgpiod/tests/info_event.rs new file mode 100644 index 000000000000..bfa0058e313e --- /dev/null +++ b/bindings/rust/libgpiod/tests/info_event.rs @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause +// SPDX-FileCopyrightText: 2022 Linaro Ltd. +// SPDX-FileCopyrightTest: 2022 Viresh Kumar viresh.kumar@linaro.org + +mod common; + +mod info_event { + use libc::EINVAL; + use std::{ + sync::{ + mpsc::{self, Receiver, Sender}, + Arc, Mutex, + }, + thread, + time::Duration, + }; + + use gpiosim_sys::Sim; + use libgpiod::{ + chip::Chip, + line::{self, Direction, InfoChangeKind, Offset}, + request, Error as ChipError, OperationType, + }; + + fn request_reconfigure_line(chip: Arc<Mutex<Chip>>, tx: Sender<()>, rx: Receiver<()>) { + thread::spawn(move || { + let lconfig1 = line::Config::new().unwrap(); + let lsettings = line::Settings::new().unwrap(); + lconfig1.add_line_settings(&[7], lsettings).unwrap(); + let rconfig = request::Config::new().unwrap(); + + let request = chip + .lock() + .unwrap() + .request_lines(&rconfig, &lconfig1) + .unwrap(); + + // Signal the parent to continue + tx.send(()).expect("Could not send signal on channel"); + + // Wait for parent to signal + rx.recv().expect("Could not receive from channel"); + + let lconfig2 = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings.set_direction(Direction::Output).unwrap(); + lconfig2.add_line_settings(&[7], lsettings).unwrap(); + + request.reconfigure_lines(&lconfig2).unwrap(); + + // Signal the parent to continue + tx.send(()).expect("Could not send signal on channel"); + + // Wait for parent to signal + rx.recv().expect("Could not receive from channel"); + }); + } + + mod watch { + use super::*; + const NGPIO: usize = 8; + const GPIO: Offset = 7; + + #[test] + fn line_info() { + let sim = Sim::new(Some(NGPIO), None, true).unwrap(); + let chip = Chip::open(&sim.dev_path()).unwrap(); + + assert_eq!( + chip.watch_line_info(NGPIO as u32).unwrap_err(), + ChipError::OperationFailed(OperationType::ChipWatchLineInfo, errno::Errno(EINVAL)) + ); + + let info = chip.watch_line_info(GPIO).unwrap(); + assert_eq!(info.offset(), GPIO); + + // No events available + assert!(!chip + .wait_info_event(Some(Duration::from_millis(100))) + .unwrap()); + } + + #[test] + fn reconfigure() { + let sim = Sim::new(Some(NGPIO), None, true).unwrap(); + let chip = Arc::new(Mutex::new(Chip::open(&sim.dev_path()).unwrap())); + let info = chip.lock().unwrap().watch_line_info(GPIO).unwrap(); + + assert_eq!(info.direction().unwrap(), Direction::Input); + + // Thread synchronizing mechanism + let (tx_main, rx_thread) = mpsc::channel(); + let (tx_thread, rx_main) = mpsc::channel(); + + // Generate events + request_reconfigure_line(chip.clone(), tx_thread, rx_thread); + + // Wait for thread to signal + rx_main.recv().expect("Could not receive from channel"); + + // Line requested event + assert!(chip + .lock() + .unwrap() + .wait_info_event(Some(Duration::from_secs(1))) + .unwrap()); + let event = chip.lock().unwrap().read_info_event().unwrap(); + let ts_req = event.timestamp(); + + assert_eq!(event.event_type().unwrap(), InfoChangeKind::LineRequested); + assert_eq!( + event.line_info().unwrap().direction().unwrap(), + Direction::Input + ); + + // Signal the thread to continue + tx_main.send(()).expect("Could not send signal on channel"); + + // Wait for thread to signal + rx_main.recv().expect("Could not receive from channel"); + + // Line changed event + assert!(chip + .lock() + .unwrap() + .wait_info_event(Some(Duration::from_secs(1))) + .unwrap()); + let event = chip.lock().unwrap().read_info_event().unwrap(); + let ts_rec = event.timestamp(); + + assert_eq!( + event.event_type().unwrap(), + InfoChangeKind::LineConfigChanged + ); + assert_eq!( + event.line_info().unwrap().direction().unwrap(), + Direction::Output + ); + + // Signal the thread to continue + tx_main.send(()).expect("Could not send signal on channel"); + + // Line released event + assert!(chip + .lock() + .unwrap() + .wait_info_event(Some(Duration::from_secs(1))) + .unwrap()); + let event = chip.lock().unwrap().read_info_event().unwrap(); + let ts_rel = event.timestamp(); + + assert_eq!(event.event_type().unwrap(), InfoChangeKind::LineReleased); + + // No events available + assert!(!chip + .lock() + .unwrap() + .wait_info_event(Some(Duration::from_millis(100))) + .unwrap()); + + // Check timestamps are really monotonic. + assert!(ts_rel > ts_rec); + assert!(ts_rec > ts_req); + } + } +} diff --git a/bindings/rust/libgpiod/tests/line_config.rs b/bindings/rust/libgpiod/tests/line_config.rs new file mode 100644 index 000000000000..bebf106f3f8b --- /dev/null +++ b/bindings/rust/libgpiod/tests/line_config.rs @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause +// SPDX-FileCopyrightText: 2022 Linaro Ltd. +// SPDX-FileCopyrightTest: 2022 Viresh Kumar viresh.kumar@linaro.org + +mod common; + +mod line_config { + use libgpiod::line::{ + self, Bias, Direction, Drive, Edge, EventClock, SettingKind, SettingVal, Value, + }; + + #[test] + fn settings() { + let mut lsettings1 = line::Settings::new().unwrap(); + lsettings1 + .set_direction(Direction::Input) + .unwrap() + .set_edge_detection(Some(Edge::Both)) + .unwrap() + .set_bias(Some(Bias::PullDown)) + .unwrap() + .set_drive(Drive::PushPull) + .unwrap(); + + let mut lsettings2 = line::Settings::new().unwrap(); + lsettings2 + .set_direction(Direction::Output) + .unwrap() + .set_active_low(true) + .set_event_clock(EventClock::Realtime) + .unwrap() + .set_output_value(Value::Active) + .unwrap(); + + // Add settings for multiple lines + let lconfig = line::Config::new().unwrap(); + lconfig.add_line_settings(&[0, 1, 2], lsettings1).unwrap(); + lconfig.add_line_settings(&[4, 5], lsettings2).unwrap(); + + // Retrieve settings + let lsettings = lconfig.line_settings(1).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Direction).unwrap(), + SettingVal::Direction(Direction::Input) + ); + assert_eq!( + lsettings.prop(SettingKind::EdgeDetection).unwrap(), + SettingVal::EdgeDetection(Some(Edge::Both)) + ); + assert_eq!( + lsettings.prop(SettingKind::Bias).unwrap(), + SettingVal::Bias(Some(Bias::PullDown)) + ); + assert_eq!( + lsettings.prop(SettingKind::Drive).unwrap(), + SettingVal::Drive(Drive::PushPull) + ); + + let lsettings = lconfig.line_settings(5).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Direction).unwrap(), + SettingVal::Direction(Direction::Output) + ); + assert_eq!( + lsettings.prop(SettingKind::ActiveLow).unwrap(), + SettingVal::ActiveLow(true) + ); + assert_eq!( + lsettings.prop(SettingKind::EventClock).unwrap(), + SettingVal::EventClock(EventClock::Realtime) + ); + assert_eq!( + lsettings.prop(SettingKind::OutputValue).unwrap(), + SettingVal::OutputValue(Value::Active) + ); + } + + #[test] + fn offsets() { + let mut lsettings1 = line::Settings::new().unwrap(); + lsettings1.set_direction(Direction::Input).unwrap(); + + let mut lsettings2 = line::Settings::new().unwrap(); + lsettings2.set_event_clock(EventClock::Realtime).unwrap(); + + // Add settings for multiple lines + let lconfig = line::Config::new().unwrap(); + lconfig.add_line_settings(&[0, 1, 2], lsettings1).unwrap(); + lconfig.add_line_settings(&[4, 5], lsettings2).unwrap(); + + // Verify offsets + let offsets = lconfig.offsets().unwrap(); + assert_eq!(offsets, [0, 1, 2, 4, 5]); + } +} diff --git a/bindings/rust/libgpiod/tests/line_info.rs b/bindings/rust/libgpiod/tests/line_info.rs new file mode 100644 index 000000000000..9e4928b49682 --- /dev/null +++ b/bindings/rust/libgpiod/tests/line_info.rs @@ -0,0 +1,275 @@ +// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause +// SPDX-FileCopyrightText: 2022 Linaro Ltd. +// SPDX-FileCopyrightTest: 2022 Viresh Kumar viresh.kumar@linaro.org + +mod common; + +mod line_info { + use libc::EINVAL; + use std::time::Duration; + + use crate::common::*; + use gpiosim_sys::{Direction as SimDirection, Sim}; + use libgpiod::{ + chip::Chip, + line::{Bias, Direction, Drive, Edge, EventClock}, + Error as ChipError, OperationType, + }; + + const NGPIO: usize = 8; + + mod properties { + use super::*; + + #[test] + fn default() { + let sim = Sim::new(Some(NGPIO), None, false).unwrap(); + sim.set_line_name(4, "four").unwrap(); + sim.hog_line(4, "hog4", SimDirection::OutputLow).unwrap(); + sim.enable().unwrap(); + + let chip = Chip::open(&sim.dev_path()).unwrap(); + + let info4 = chip.line_info(4).unwrap(); + assert_eq!(info4.offset(), 4); + assert_eq!(info4.name().unwrap(), "four"); + assert!(info4.is_used()); + assert_eq!(info4.consumer().unwrap(), "hog4"); + assert_eq!(info4.direction().unwrap(), Direction::Output); + assert!(!info4.is_active_low()); + assert_eq!(info4.bias().unwrap(), None); + assert_eq!(info4.drive().unwrap(), Drive::PushPull); + assert_eq!(info4.edge_detection().unwrap(), None); + assert_eq!(info4.event_clock().unwrap(), EventClock::Monotonic); + assert!(!info4.is_debounced()); + assert_eq!(info4.debounce_period(), Duration::from_millis(0)); + + assert_eq!( + chip.line_info(NGPIO as u32).unwrap_err(), + ChipError::OperationFailed(OperationType::ChipGetLineInfo, errno::Errno(EINVAL)) + ); + } + + #[test] + fn name_and_offset() { + let sim = Sim::new(Some(NGPIO), None, false).unwrap(); + + // Line 0 has no name + for i in 1..NGPIO { + sim.set_line_name(i as u32, &i.to_string()).unwrap(); + } + sim.enable().unwrap(); + + let chip = Chip::open(&sim.dev_path()).unwrap(); + let info = chip.line_info(0).unwrap(); + + assert_eq!(info.offset(), 0); + assert_eq!( + info.name().unwrap_err(), + ChipError::NullString("GPIO line's name") + ); + + for i in 1..NGPIO { + let info = chip.line_info(i as u32).unwrap(); + + assert_eq!(info.offset(), i as u32); + assert_eq!(info.name().unwrap(), &i.to_string()); + } + } + + #[test] + fn is_used() { + let sim = Sim::new(Some(NGPIO), None, false).unwrap(); + sim.hog_line(0, "hog", SimDirection::OutputHigh).unwrap(); + sim.enable().unwrap(); + + let chip = Chip::open(&sim.dev_path()).unwrap(); + + let info = chip.line_info(0).unwrap(); + assert!(info.is_used()); + + let info = chip.line_info(1).unwrap(); + assert!(!info.is_used()); + } + + #[test] + fn consumer() { + let sim = Sim::new(Some(NGPIO), None, false).unwrap(); + sim.hog_line(0, "hog", SimDirection::OutputHigh).unwrap(); + sim.enable().unwrap(); + + let chip = Chip::open(&sim.dev_path()).unwrap(); + + let info = chip.line_info(0).unwrap(); + assert_eq!(info.consumer().unwrap(), "hog"); + + let info = chip.line_info(1).unwrap(); + assert_eq!( + info.consumer().unwrap_err(), + ChipError::NullString("GPIO line's consumer name") + ); + } + + #[test] + fn direction() { + let sim = Sim::new(Some(NGPIO), None, false).unwrap(); + sim.hog_line(0, "hog", SimDirection::Input).unwrap(); + sim.hog_line(1, "hog", SimDirection::OutputHigh).unwrap(); + sim.hog_line(2, "hog", SimDirection::OutputLow).unwrap(); + sim.enable().unwrap(); + + let chip = Chip::open(&sim.dev_path()).unwrap(); + + let info = chip.line_info(0).unwrap(); + assert_eq!(info.direction().unwrap(), Direction::Input); + + let info = chip.line_info(1).unwrap(); + assert_eq!(info.direction().unwrap(), Direction::Output); + + let info = chip.line_info(2).unwrap(); + assert_eq!(info.direction().unwrap(), Direction::Output); + } + + #[test] + fn bias() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.bias().unwrap(), None); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_bias(Direction::Input, Some(Bias::PullUp)); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.bias().unwrap(), Some(Bias::PullUp)); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_bias(Direction::Input, Some(Bias::PullDown)); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.bias().unwrap(), Some(Bias::PullDown)); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_bias(Direction::Input, Some(Bias::Disabled)); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.bias().unwrap(), Some(Bias::Disabled)); + } + + #[test] + fn drive() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.drive().unwrap(), Drive::PushPull); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_drive(Direction::Input, Drive::PushPull); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.drive().unwrap(), Drive::PushPull); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_drive(Direction::Output, Drive::OpenDrain); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.drive().unwrap(), Drive::OpenDrain); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_drive(Direction::Output, Drive::OpenSource); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.drive().unwrap(), Drive::OpenSource); + } + + #[test] + fn edge() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.edge_detection().unwrap(), None); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(Some(Direction::Input), Some(Edge::Both)); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.edge_detection().unwrap(), Some(Edge::Both)); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(Some(Direction::Input), Some(Edge::Rising)); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.edge_detection().unwrap(), Some(Edge::Rising)); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(Some(Direction::Input), Some(Edge::Falling)); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.edge_detection().unwrap(), Some(Edge::Falling)); + } + + #[test] + fn event_clock() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.event_clock().unwrap(), EventClock::Monotonic); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_clock(EventClock::Monotonic); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.event_clock().unwrap(), EventClock::Monotonic); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_clock(EventClock::Realtime); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.event_clock().unwrap(), EventClock::Realtime); + } + + #[test] + #[ignore] + fn event_clock_hte() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_clock(EventClock::HTE); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.event_clock().unwrap(), EventClock::HTE); + } + + #[test] + fn debounce() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert!(!info.is_debounced()); + assert_eq!(info.debounce_period(), Duration::from_millis(0)); + + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_debounce(Duration::from_millis(100)); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert!(info.is_debounced()); + assert_eq!(info.debounce_period(), Duration::from_millis(100)); + } + } +} diff --git a/bindings/rust/libgpiod/tests/line_request.rs b/bindings/rust/libgpiod/tests/line_request.rs new file mode 100644 index 000000000000..286cd6ca6722 --- /dev/null +++ b/bindings/rust/libgpiod/tests/line_request.rs @@ -0,0 +1,509 @@ +// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause +// SPDX-FileCopyrightText: 2022 Linaro Ltd. +// SPDX-FileCopyrightTest: 2022 Viresh Kumar viresh.kumar@linaro.org + +mod common; + +mod line_request { + use libc::{E2BIG, EINVAL}; + use std::time::Duration; + + use crate::common::*; + use gpiosim_sys::{Pull, Value as SimValue}; + use libgpiod::{ + line::{ + self, Bias, Direction, Drive, Edge, EventClock, Offset, SettingVal, Value, ValueMap, + }, + Error as ChipError, OperationType, + }; + + const NGPIO: usize = 8; + + mod invalid_arguments { + use super::*; + + #[test] + fn no_offsets() { + let mut config = TestConfig::new(NGPIO).unwrap(); + + assert_eq!( + config.request_lines().unwrap_err(), + ChipError::OperationFailed(OperationType::ChipRequestLines, errno::Errno(EINVAL)) + ); + } + + #[test] + fn out_of_bound_offsets() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[2, 0, 8, 4]); + + assert_eq!( + config.request_lines().unwrap_err(), + ChipError::OperationFailed(OperationType::ChipRequestLines, errno::Errno(EINVAL)) + ); + } + + #[test] + fn dir_out_edge_failure() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(Some(Direction::Output), Some(Edge::Both)); + config.lconfig_add_settings(&[0]); + + assert_eq!( + config.request_lines().unwrap_err(), + ChipError::OperationFailed(OperationType::ChipRequestLines, errno::Errno(EINVAL)) + ); + } + } + + mod verify { + use super::*; + + #[test] + fn custom_consumer() { + const GPIO: Offset = 2; + const CONSUMER: &str = "foobar"; + let mut config = TestConfig::new(NGPIO).unwrap(); + config.rconfig_set_consumer(CONSUMER); + config.lconfig_add_settings(&[GPIO]); + config.request_lines().unwrap(); + + let info = config.chip().line_info(GPIO).unwrap(); + + assert!(info.is_used()); + assert_eq!(info.consumer().unwrap(), CONSUMER); + } + + #[test] + fn empty_consumer() { + const GPIO: Offset = 2; + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[GPIO]); + config.request_lines().unwrap(); + + let info = config.chip().line_info(GPIO).unwrap(); + + assert!(info.is_used()); + assert_eq!(info.consumer().unwrap(), "?"); + } + + #[test] + fn read_values() { + let offsets = [7, 1, 0, 6, 2]; + let pulls = [Pull::Up, Pull::Up, Pull::Down, Pull::Up, Pull::Down]; + let mut config = TestConfig::new(NGPIO).unwrap(); + config.set_pull(&offsets, &pulls); + config.lconfig_val(Some(Direction::Input), None); + config.lconfig_add_settings(&offsets); + config.request_lines().unwrap(); + + let request = config.request(); + + // Single values read properly + assert_eq!(request.value(7).unwrap(), Value::Active); + + // Values read properly + let map = request.values().unwrap(); + for i in 0..offsets.len() { + assert_eq!( + *map.get(offsets[i].into()).unwrap(), + match pulls[i] { + Pull::Down => Value::InActive, + _ => Value::Active, + } + ); + } + + // Subset of values read properly + let map = request.values_subset(&[2, 0, 6]).unwrap(); + assert_eq!(*map.get(2).unwrap(), Value::InActive); + assert_eq!(*map.get(0).unwrap(), Value::InActive); + assert_eq!(*map.get(6).unwrap(), Value::Active); + + // Value read properly after reconfigure + let mut lsettings = line::Settings::new().unwrap(); + lsettings.set_active_low(true); + let lconfig = line::Config::new().unwrap(); + lconfig.add_line_settings(&offsets, lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + assert_eq!(request.value(7).unwrap(), Value::InActive); + } + + #[test] + fn set_output_values() { + let offsets = [0, 1, 3, 4]; + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_val(Some(Direction::Output), Some(Value::Active)); + config.lconfig_add_settings(&offsets); + config.request_lines().unwrap(); + + assert_eq!(config.sim_val(0).unwrap(), SimValue::Active); + assert_eq!(config.sim_val(1).unwrap(), SimValue::Active); + assert_eq!(config.sim_val(3).unwrap(), SimValue::Active); + assert_eq!(config.sim_val(4).unwrap(), SimValue::Active); + + // Default + assert_eq!(config.sim_val(2).unwrap(), SimValue::InActive); + } + + #[test] + fn update_output_values() { + let offsets = [0, 1, 3, 4]; + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_val(Some(Direction::Output), Some(Value::InActive)); + config.lconfig_add_settings(&offsets); + config.request_lines().unwrap(); + let request = config.request(); + + // Set single value + request.set_value(1, Value::Active).unwrap(); + assert_eq!(config.sim_val(0).unwrap(), SimValue::InActive); + assert_eq!(config.sim_val(1).unwrap(), SimValue::Active); + assert_eq!(config.sim_val(3).unwrap(), SimValue::InActive); + assert_eq!(config.sim_val(4).unwrap(), SimValue::InActive); + request.set_value(1, Value::InActive).unwrap(); + assert_eq!(config.sim_val(1).unwrap(), SimValue::InActive); + + // Set values of subset + let mut map = ValueMap::new(); + map.insert(4, Value::Active); + map.insert(3, Value::Active); + request.set_values_subset(map).unwrap(); + assert_eq!(config.sim_val(0).unwrap(), SimValue::InActive); + assert_eq!(config.sim_val(1).unwrap(), SimValue::InActive); + assert_eq!(config.sim_val(3).unwrap(), SimValue::Active); + assert_eq!(config.sim_val(4).unwrap(), SimValue::Active); + + let mut map = ValueMap::new(); + map.insert(4, Value::InActive); + map.insert(3, Value::InActive); + request.set_values_subset(map).unwrap(); + assert_eq!(config.sim_val(3).unwrap(), SimValue::InActive); + assert_eq!(config.sim_val(4).unwrap(), SimValue::InActive); + + // Set all values + request + .set_values(&[ + Value::Active, + Value::InActive, + Value::Active, + Value::InActive, + ]) + .unwrap(); + assert_eq!(config.sim_val(0).unwrap(), SimValue::Active); + assert_eq!(config.sim_val(1).unwrap(), SimValue::InActive); + assert_eq!(config.sim_val(3).unwrap(), SimValue::Active); + assert_eq!(config.sim_val(4).unwrap(), SimValue::InActive); + request + .set_values(&[ + Value::InActive, + Value::InActive, + Value::InActive, + Value::InActive, + ]) + .unwrap(); + assert_eq!(config.sim_val(0).unwrap(), SimValue::InActive); + assert_eq!(config.sim_val(1).unwrap(), SimValue::InActive); + assert_eq!(config.sim_val(3).unwrap(), SimValue::InActive); + assert_eq!(config.sim_val(4).unwrap(), SimValue::InActive); + } + + #[test] + fn set_bias() { + let offsets = [3]; + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_bias(Direction::Input, Some(Bias::PullUp)); + config.lconfig_add_settings(&offsets); + config.request_lines().unwrap(); + config.request(); + + // Set single value + assert_eq!(config.sim_val(3).unwrap(), SimValue::Active); + } + + #[test] + fn no_events() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_edge(None, Some(Edge::Both)); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + + // No events available + assert!(!config + .request() + .wait_edge_event(Some(Duration::from_millis(100))) + .unwrap()); + } + } + + mod reconfigure { + use super::*; + + #[test] + fn e2big() { + let offsets = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]; + let mut config = TestConfig::new(16).unwrap(); + config.lconfig_add_settings(&offsets); + config.request_lines().unwrap(); + + let request = config.request(); + + // Reconfigure + let mut lsettings = line::Settings::new().unwrap(); + lsettings.set_direction(Direction::Input).unwrap(); + let lconfig = line::Config::new().unwrap(); + + // The uAPI config has only 10 attribute slots, this should pass. + for offset in offsets { + lsettings.set_debounce_period(Duration::from_millis((100 + offset).into())); + lconfig + .add_line_settings(&[offset as Offset], lsettings.settings_clone().unwrap()) + .unwrap(); + } + + assert!(request.reconfigure_lines(&lconfig).is_ok()); + + // The uAPI config has only 10 attribute slots, and this is the 11th entry. + // This should fail with E2BIG. + lsettings.set_debounce_period(Duration::from_millis(100 + 11)); + lconfig.add_line_settings(&[11], lsettings).unwrap(); + + assert_eq!( + request.reconfigure_lines(&lconfig).unwrap_err(), + ChipError::OperationFailed( + OperationType::LineRequestReconfigLines, + errno::Errno(E2BIG), + ) + ); + } + + #[test] + fn bias() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.bias().unwrap(), None); + + let request = config.request(); + + // Reconfigure + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings + .set_prop(&[ + SettingVal::Direction(Direction::Input), + SettingVal::Bias(Some(Bias::PullUp)), + ]) + .unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.bias().unwrap(), Some(Bias::PullUp)); + + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings + .set_prop(&[ + SettingVal::Direction(Direction::Input), + SettingVal::Bias(Some(Bias::PullDown)), + ]) + .unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.bias().unwrap(), Some(Bias::PullDown)); + + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings + .set_prop(&[ + SettingVal::Direction(Direction::Input), + SettingVal::Bias(Some(Bias::Disabled)), + ]) + .unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.bias().unwrap(), Some(Bias::Disabled)); + } + + #[test] + fn drive() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.drive().unwrap(), Drive::PushPull); + + let request = config.request(); + + // Reconfigure + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings + .set_prop(&[ + SettingVal::Direction(Direction::Input), + SettingVal::Drive(Drive::PushPull), + ]) + .unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.drive().unwrap(), Drive::PushPull); + + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings + .set_prop(&[ + SettingVal::Direction(Direction::Output), + SettingVal::Drive(Drive::OpenDrain), + ]) + .unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.drive().unwrap(), Drive::OpenDrain); + + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings + .set_prop(&[ + SettingVal::Direction(Direction::Output), + SettingVal::Drive(Drive::OpenSource), + ]) + .unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.drive().unwrap(), Drive::OpenSource); + } + + #[test] + fn edge() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.edge_detection().unwrap(), None); + + let request = config.request(); + + // Reconfigure + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings + .set_prop(&[ + SettingVal::Direction(Direction::Input), + SettingVal::EdgeDetection(Some(Edge::Both)), + ]) + .unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.edge_detection().unwrap(), Some(Edge::Both)); + + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings + .set_prop(&[ + SettingVal::Direction(Direction::Input), + SettingVal::EdgeDetection(Some(Edge::Rising)), + ]) + .unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.edge_detection().unwrap(), Some(Edge::Rising)); + + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings + .set_prop(&[ + SettingVal::Direction(Direction::Input), + SettingVal::EdgeDetection(Some(Edge::Falling)), + ]) + .unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.edge_detection().unwrap(), Some(Edge::Falling)); + } + + #[test] + fn event_clock() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.event_clock().unwrap(), EventClock::Monotonic); + + let request = config.request(); + + // Reconfigure + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings.set_event_clock(EventClock::Monotonic).unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.event_clock().unwrap(), EventClock::Monotonic); + + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings.set_event_clock(EventClock::Realtime).unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.event_clock().unwrap(), EventClock::Realtime); + } + + #[test] + #[ignore] + fn event_clock_hte() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.event_clock().unwrap(), EventClock::Monotonic); + + let request = config.request(); + + // Reconfigure + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings.set_event_clock(EventClock::HTE).unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert_eq!(info.event_clock().unwrap(), EventClock::HTE); + } + + #[test] + fn debounce() { + let mut config = TestConfig::new(NGPIO).unwrap(); + config.lconfig_add_settings(&[0]); + config.request_lines().unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert!(!info.is_debounced()); + assert_eq!(info.debounce_period(), Duration::from_millis(0)); + + let request = config.request(); + + // Reconfigure + let lconfig = line::Config::new().unwrap(); + let mut lsettings = line::Settings::new().unwrap(); + lsettings + .set_prop(&[ + SettingVal::Direction(Direction::Input), + SettingVal::DebouncePeriod(Duration::from_millis(100)), + ]) + .unwrap(); + lconfig.add_line_settings(&[0], lsettings).unwrap(); + request.reconfigure_lines(&lconfig).unwrap(); + let info = config.chip().line_info(0).unwrap(); + assert!(info.is_debounced()); + assert_eq!(info.debounce_period(), Duration::from_millis(100)); + } + } +} diff --git a/bindings/rust/libgpiod/tests/line_settings.rs b/bindings/rust/libgpiod/tests/line_settings.rs new file mode 100644 index 000000000000..de2148ee6018 --- /dev/null +++ b/bindings/rust/libgpiod/tests/line_settings.rs @@ -0,0 +1,203 @@ +// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause +// SPDX-FileCopyrightText: 2022 Linaro Ltd. +// SPDX-FileCopyrightTest: 2022 Viresh Kumar viresh.kumar@linaro.org + +mod common; + +mod line_settings { + use std::time::Duration; + + use libgpiod::line::{ + self, Bias, Direction, Drive, Edge, EventClock, SettingKind, SettingVal, Value, + }; + + #[test] + fn direction() { + let mut lsettings = line::Settings::new().unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Direction).unwrap(), + SettingVal::Direction(Direction::AsIs) + ); + + lsettings.set_direction(Direction::Input).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Direction).unwrap(), + SettingVal::Direction(Direction::Input) + ); + + lsettings.set_direction(Direction::Output).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Direction).unwrap(), + SettingVal::Direction(Direction::Output) + ); + } + + #[test] + fn edge_detection() { + let mut lsettings = line::Settings::new().unwrap(); + assert_eq!( + lsettings.prop(SettingKind::EdgeDetection).unwrap(), + SettingVal::EdgeDetection(None) + ); + + lsettings.set_edge_detection(Some(Edge::Both)).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::EdgeDetection).unwrap(), + SettingVal::EdgeDetection(Some(Edge::Both)) + ); + + lsettings.set_edge_detection(Some(Edge::Rising)).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::EdgeDetection).unwrap(), + SettingVal::EdgeDetection(Some(Edge::Rising)) + ); + + lsettings.set_edge_detection(Some(Edge::Falling)).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::EdgeDetection).unwrap(), + SettingVal::EdgeDetection(Some(Edge::Falling)) + ); + } + + #[test] + fn bias() { + let mut lsettings = line::Settings::new().unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Bias).unwrap(), + SettingVal::Bias(None) + ); + + lsettings.set_bias(Some(Bias::PullDown)).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Bias).unwrap(), + SettingVal::Bias(Some(Bias::PullDown)) + ); + + lsettings.set_bias(Some(Bias::PullUp)).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Bias).unwrap(), + SettingVal::Bias(Some(Bias::PullUp)) + ); + } + + #[test] + fn drive() { + let mut lsettings = line::Settings::new().unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Drive).unwrap(), + SettingVal::Drive(Drive::PushPull) + ); + + lsettings.set_drive(Drive::PushPull).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Drive).unwrap(), + SettingVal::Drive(Drive::PushPull) + ); + + lsettings.set_drive(Drive::OpenDrain).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Drive).unwrap(), + SettingVal::Drive(Drive::OpenDrain) + ); + + lsettings.set_drive(Drive::OpenSource).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::Drive).unwrap(), + SettingVal::Drive(Drive::OpenSource) + ); + } + + #[test] + fn active_low() { + let mut lsettings = line::Settings::new().unwrap(); + assert_eq!( + lsettings.prop(SettingKind::ActiveLow).unwrap(), + SettingVal::ActiveLow(false) + ); + + lsettings.set_active_low(true); + assert_eq!( + lsettings.prop(SettingKind::ActiveLow).unwrap(), + SettingVal::ActiveLow(true) + ); + + lsettings.set_active_low(false); + assert_eq!( + lsettings.prop(SettingKind::ActiveLow).unwrap(), + SettingVal::ActiveLow(false) + ); + } + + #[test] + fn debounce_period() { + let mut lsettings = line::Settings::new().unwrap(); + assert_eq!( + lsettings.prop(SettingKind::DebouncePeriod).unwrap(), + SettingVal::DebouncePeriod(Duration::from_millis(0)) + ); + + lsettings.set_debounce_period(Duration::from_millis(5)); + assert_eq!( + lsettings.prop(SettingKind::DebouncePeriod).unwrap(), + SettingVal::DebouncePeriod(Duration::from_millis(5)) + ); + } + + #[test] + fn event_clock() { + let mut lsettings = line::Settings::new().unwrap(); + assert_eq!( + lsettings.prop(SettingKind::EventClock).unwrap(), + SettingVal::EventClock(EventClock::Monotonic) + ); + + lsettings.set_event_clock(EventClock::Realtime).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::EventClock).unwrap(), + SettingVal::EventClock(EventClock::Realtime) + ); + + lsettings.set_event_clock(EventClock::Monotonic).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::EventClock).unwrap(), + SettingVal::EventClock(EventClock::Monotonic) + ); + } + + #[test] + #[ignore] + fn event_clock_hte() { + let mut lsettings = line::Settings::new().unwrap(); + assert_eq!( + lsettings.prop(SettingKind::EventClock).unwrap(), + SettingVal::EventClock(EventClock::Monotonic) + ); + + lsettings.set_event_clock(EventClock::HTE).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::EventClock).unwrap(), + SettingVal::EventClock(EventClock::HTE) + ); + } + + #[test] + fn output_value() { + let mut lsettings = line::Settings::new().unwrap(); + assert_eq!( + lsettings.prop(SettingKind::OutputValue).unwrap(), + SettingVal::OutputValue(Value::InActive) + ); + + lsettings.set_output_value(Value::Active).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::OutputValue).unwrap(), + SettingVal::OutputValue(Value::Active) + ); + + lsettings.set_output_value(Value::InActive).unwrap(); + assert_eq!( + lsettings.prop(SettingKind::OutputValue).unwrap(), + SettingVal::OutputValue(Value::InActive) + ); + } +} diff --git a/bindings/rust/libgpiod/tests/request_config.rs b/bindings/rust/libgpiod/tests/request_config.rs new file mode 100644 index 000000000000..8c676384b7c3 --- /dev/null +++ b/bindings/rust/libgpiod/tests/request_config.rs @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause +// SPDX-FileCopyrightText: 2022 Linaro Ltd. +// SPDX-FileCopyrightTest: 2022 Viresh Kumar viresh.kumar@linaro.org + +mod common; + +mod request_config { + use libgpiod::{request, Error as ChipError, OperationType}; + + mod verify { + use super::*; + + #[test] + fn default() { + let rconfig = request::Config::new().unwrap(); + + assert_eq!(rconfig.event_buffer_size(), 0); + assert_eq!( + rconfig.consumer().unwrap_err(), + ChipError::OperationFailed( + OperationType::RequestConfigGetConsumer, + errno::Errno(0), + ) + ); + } + + #[test] + fn initialized() { + const CONSUMER: &str = "foobar"; + let rconfig = request::Config::new().unwrap(); + rconfig.set_consumer(CONSUMER).unwrap(); + rconfig.set_event_buffer_size(64); + + assert_eq!(rconfig.event_buffer_size(), 64); + assert_eq!(rconfig.consumer().unwrap(), CONSUMER); + } + } +}