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//! ref: composer/tests/Composer/Test/Mock/ProcessExecutorMock.php
use std::cell::RefCell;
use std::rc::Rc;
use shirabe::util::process_executor::{MockExpectation, MockHandler, ProcessExecutor};
use shirabe_php_shim::PhpMixed;
// A command expectation as written in the PHP tests: either a bare command
// (`'git command'` / `['git', '--version']`) or the full
// `{cmd, return?, stdout?, stderr?}` associative form.
pub fn cmd(command: impl IntoMockCmd) -> MockExpectation {
MockExpectation::from_cmd(command.into_mock_cmd())
}
pub fn cmd_full(
command: impl IntoMockCmd,
r#return: i64,
stdout: impl Into<String>,
stderr: impl Into<String>,
) -> MockExpectation {
MockExpectation {
cmd: command.into_mock_cmd(),
r#return,
stdout: stdout.into(),
stderr: stderr.into(),
callback: None,
}
}
// Accepts the same command shapes the tests use: a string command or a list of
// string args. Comparison against the executed command is exact (PHP `===`), so
// the form here must match the form the code under test passes to `execute`.
pub trait IntoMockCmd {
fn into_mock_cmd(self) -> PhpMixed;
}
impl IntoMockCmd for &str {
fn into_mock_cmd(self) -> PhpMixed {
PhpMixed::String(self.to_string())
}
}
impl IntoMockCmd for String {
fn into_mock_cmd(self) -> PhpMixed {
PhpMixed::String(self)
}
}
impl IntoMockCmd for Vec<&str> {
fn into_mock_cmd(self) -> PhpMixed {
PhpMixed::List(
self.into_iter()
.map(|s| PhpMixed::String(s.to_string()))
.collect(),
)
}
}
impl IntoMockCmd for Vec<String> {
fn into_mock_cmd(self) -> PhpMixed {
PhpMixed::List(self.into_iter().map(PhpMixed::String).collect())
}
}
impl<const N: usize> IntoMockCmd for [&str; N] {
fn into_mock_cmd(self) -> PhpMixed {
PhpMixed::List(
self.iter()
.map(|s| PhpMixed::String(s.to_string()))
.collect(),
)
}
}
pub struct ProcessExecutorMockGuard(Rc<RefCell<ProcessExecutor>>);
impl Drop for ProcessExecutorMockGuard {
fn drop(&mut self) {
// Avoid aborting on a double panic when a test assertion is already unwinding.
if std::thread::panicking() {
return;
}
self.0.borrow().__assert_complete();
}
}
// For testing only. Mirrors TestCase::getProcessExecutorMock: returns a shared
// ProcessExecutor handle configured with the given expectations, plus a guard
// that runs `__assert_complete` when it drops at the end of the test scope.
pub fn get_process_executor_mock(
expectations: Vec<MockExpectation>,
strict: bool,
default_handler: MockHandler,
) -> (Rc<RefCell<ProcessExecutor>>, ProcessExecutorMockGuard) {
let process = Rc::new(RefCell::new(ProcessExecutor::new(None)));
process
.borrow_mut()
.__expects(expectations, strict, default_handler);
(process.clone(), ProcessExecutorMockGuard(process))
}
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