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Remove Rust integration testing behaviour from
forc test command
As proposed in #1833, this removes the integration testing implementation under `forc test` in anticipation of using the command for unit testing.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,104 +1,41 @@ | ||
| use crate::ops::forc_build; | ||
| use anyhow::{bail, Result}; | ||
| use clap::Parser; | ||
| use std::io::{BufRead, BufReader}; | ||
| use std::process; | ||
| use std::thread; | ||
| use tracing::{error, info}; | ||
|
|
||
| /// Run Rust-based tests on current project. | ||
| /// As of now, `forc test` is a simple wrapper on | ||
| /// `cargo test`; `forc new` also creates a rust | ||
| /// package under your project, named `tests`. | ||
| /// You can opt to either run these Rust tests by | ||
| /// using `forc test` or going inside the package | ||
| /// and using `cargo test`. | ||
| /// Run the Sway unit tests for the current project. | ||
| /// | ||
| /// NOTE: This feature is not yet implemented. Track progress at the following link: | ||
| /// https://github.com/FuelLabs/sway/issues/1832 | ||
| /// | ||
| /// NOTE: Previously this command was used to support Rust integration testing, however the | ||
| /// provided behaviour served no benefit over running `cargo test` directly. The proposal to change | ||
| /// the behaviour to support unit testing can be found at the following link: | ||
| /// https://github.com/FuelLabs/sway/issues/1833 | ||
| /// | ||
| /// Sway unit tests are functions decorated with the `#[test_script]` attribute. Each test is | ||
| /// compiled as an independent `script` program and has access to the namespace of the module in | ||
| /// which it is declared. Unit tests declared within `contract` projects may also call directly | ||
| /// into their associated contract's ABI. | ||
| /// | ||
| /// Upon successful compilation, test scripts are executed to their completion. A test is | ||
| /// considered a failure in the case that a revert (`rvrt`) instruction is encountered during | ||
| /// execution. Otherwise, it is considered a success. | ||
| #[derive(Debug, Parser)] | ||
| pub(crate) struct Command { | ||
| /// If specified, only run tests containing this string in their names | ||
| pub test_name: Option<String>, | ||
| /// Options passed through to the `cargo test` invocation. | ||
| /// | ||
| /// E.g. Given the following: | ||
| /// | ||
| /// `forc test --cargo-test-opts="--color always"` | ||
| /// | ||
| /// The `--color always` option is forwarded to `cargo test` like so: | ||
| /// | ||
| /// `cargo test --color always` | ||
| #[clap(long)] | ||
| pub cargo_test_opts: Option<String>, | ||
| /// All trailing arguments following `--` are collected within this argument. | ||
| /// | ||
| /// E.g. Given the following: | ||
| /// | ||
| /// `forc test -- foo bar baz` | ||
| /// | ||
| /// The arguments `foo`, `bar` and `baz` are forwarded on to `cargo test` like so: | ||
| /// | ||
| /// `cargo test -- foo bar baz` | ||
| #[clap(raw = true)] | ||
| pub cargo_test_args: Vec<String>, | ||
| /// When specified, only tests containing the given string will be executed. | ||
| pub filter: Option<String>, | ||
| } | ||
|
|
||
| pub(crate) fn exec(command: Command) -> Result<()> { | ||
| // Ensure the project builds before running tests. | ||
| forc_build::build(Default::default())?; | ||
| pub(crate) fn exec(_command: Command) -> Result<()> { | ||
| bail!(r#" | ||
| Sway unit testing is not yet implemented. Track progress at the following link: | ||
| let mut cmd = process::Command::new("cargo"); | ||
| cmd.arg("test"); | ||
| https://github.com/FuelLabs/sway/issues/1832 | ||
| // Pass through cargo test options. | ||
| let mut user_specified_color_opt = false; | ||
| if let Some(opts) = command.cargo_test_opts { | ||
| user_specified_color_opt = opts.contains("--color"); | ||
| for opt in opts.split_whitespace() { | ||
| cmd.arg(&opt); | ||
| } | ||
| } | ||
| NOTE: Previously this command was used to support Rust integration testing, | ||
| however the provided behaviour served no benefit over runnin `cargo test` | ||
| directly. The proposal to change the behaviour to support unit testing can be | ||
| found at the following link: | ||
| // If the coloring option wasn't specified by the user, enable it ourselves. This is useful as | ||
| // `cargo test`'s coloring is disabled by default when run as a child process. | ||
| if !user_specified_color_opt { | ||
| cmd.args(&["--color", "always"]); | ||
| } | ||
|
|
||
| // Pass through test name. | ||
| if let Some(ref name) = command.test_name { | ||
| cmd.arg(name); | ||
| } | ||
|
|
||
| // Pass through cargo test args. | ||
| if !command.cargo_test_args.is_empty() { | ||
| cmd.arg("--"); | ||
| cmd.args(&command.cargo_test_args); | ||
| } | ||
|
|
||
| let mut child = cmd | ||
| .stdout(process::Stdio::piped()) | ||
| .stderr(process::Stdio::piped()) | ||
| .spawn() | ||
| .unwrap(); | ||
|
|
||
| let out = BufReader::new(child.stdout.take().unwrap()); | ||
| let err = BufReader::new(child.stderr.take().unwrap()); | ||
|
|
||
| // Reading stderr on a separate thread so we keep things non-blocking | ||
| let thread = thread::spawn(move || { | ||
| err.lines().for_each(|line| error!("{}", line.unwrap())); | ||
| }); | ||
|
|
||
| out.lines().for_each(|line| info!("{}", line.unwrap())); | ||
| thread.join().unwrap(); | ||
|
|
||
| let child_success = match child.try_wait() { | ||
| Ok(Some(returned_status)) => returned_status.success(), | ||
| Ok(None) => child.wait().unwrap().success(), | ||
| Err(_) => false, | ||
| }; | ||
|
|
||
| match child_success { | ||
| true => Ok(()), | ||
| false => bail!("child test process failed"), | ||
| } | ||
| https://github.com/FuelLabs/sway/issues/1833 | ||
| "#); | ||
| } |
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