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node tests: Introduce mock_module helper.

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This commit is contained in:
Steve Howell
2021-03-06 18:05:17 +00:00
committed by Steve Howell
parent 167fda142c
commit f54f7cfc33
75 changed files with 451 additions and 440 deletions
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53
frontend_tests/zjsunit/namespace.js
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@@ -18,31 +18,42 @@ exports.start = () => {
mock_names = new Set();
};
exports.rewiremock = (fn) => {
if (!fn.startsWith("../../static/js/")) {
throw new Error(`We only mock static/js files`);
exports.mock_module = (short_fn, obj) => {
if (obj === undefined) {
obj = {};
}
const short_fn = fn.slice("../../static/js/".length);
if (typeof obj !== "object") {
throw new TypeError("We expect you to stub with an object.");
}
if (mock_names.has(short_fn)) {
throw new Error(`You already set up a mock for ${short_fn}`);
}
if (short_fn.startsWith("/") || short_fn.includes(".")) {
throw new Error(`
There is no need for a path like ${short_fn}.
We just assume the file is under static/js.
`);
}
if (objs_installed) {
throw new Error(`
It is too late to install this mock. Consider instead:
foo.__Rewire__("${short_fn}", ...)
Or call this earlier.
`);
}
const base_path = path.resolve("./static/js");
const long_fn = path.join(base_path, short_fn);
return {
with: (obj) => {
if (objs_installed) {
throw new Error(`
It is too late to install this mock. Consider instead:
foo.__Rewire__(${short_fn}, ...)
Or call this earlier.
`);
}
obj.__esModule = true;
mock_paths[long_fn] = obj;
mock_names.add(short_fn);
return obj;
},
};
obj.__esModule = true;
mock_paths[long_fn] = obj;
mock_names.add(short_fn);
return obj;
};
exports.set_global = function (name, val) {