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"use strict";
const PYTHON = Services.env.get("PYTHON");
const PYTHON_BIN = PathUtils.filename(PYTHON);
const PYTHON_DIR = PathUtils.parent(PYTHON);
const DOES_NOT_EXIST = PathUtils.join(
PathUtils.tempDir,
"ThisPathDoesNotExist"
);
const PATH_SEP = AppConstants.platform == "win" ? ";" : ":";
add_task(async function test_pathSearchAbsolute() {
let env = {};
let path = await Subprocess.pathSearch(PYTHON, env);
equal(path, PYTHON, "Full path resolves even with no PATH.");
env.PATH = "";
path = await Subprocess.pathSearch(PYTHON, env);
equal(path, PYTHON, "Full path resolves even with empty PATH.");
await Assert.rejects(
Subprocess.pathSearch(DOES_NOT_EXIST, env),
function (e) {
equal(
e.errorCode,
Subprocess.ERROR_BAD_EXECUTABLE,
"Got the expected error code"
);
return /File at path .* does not exist, or is not (executable|a normal file)/.test(
e.message
);
},
"Absolute path should throw for a nonexistent execuable"
);
});
add_task(async function test_pathSearchRelative() {
let env = {};
await Assert.rejects(
Subprocess.pathSearch(PYTHON_BIN, env),
function (e) {
equal(
e.errorCode,
Subprocess.ERROR_BAD_EXECUTABLE,
"Got the expected error code"
);
return /Executable not found:/.test(e.message);
},
"Relative path should not be found when PATH is missing"
);
env.PATH = [DOES_NOT_EXIST, PYTHON_DIR].join(PATH_SEP);
let path = await Subprocess.pathSearch(PYTHON_BIN, env);
equal(path, PYTHON, "Correct executable should be found in the path");
});
add_task(
{
skip_if: () => AppConstants.platform != "win",
},
async function test_pathSearch_PATHEXT() {
ok(PYTHON_BIN.endsWith(".exe"), "Python executable must end with .exe");
const python_bin = PYTHON_BIN.slice(0, -4);
let env = {
PATH: PYTHON_DIR,
PATHEXT: [".com", ".exe", ".foobar"].join(";"),
};
let path = await Subprocess.pathSearch(python_bin, env);
equal(
path,
PYTHON,
"Correct executable should be found in the path, with guessed extension"
);
}
);
// IMPORTANT: Do not add any tests beyond this point without removing
// the `skip_if` condition from the previous task, or it will prevent
// all succeeding tasks from running when it does not match.
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