test_formatValue.html

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  <title>Test Localization.prototype.formatValue API</title>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">

  <script type="application/javascript">

  "use strict";

  const mockSource = L10nFileSource.createMock("test", "app", ["en-US"], "/localization/{locale}/", [

      path: "/localization/en-US/mock.ftl",

      source: `

key1 = Value

key2 = Value { $user }

key3 = Value { $count }

]);

  let registry = new L10nRegistry({

    bundleOptions: {

      useIsolating: false

});

  registry.registerSources([mockSource]);

  (async () => {

    SimpleTest.waitForExplicitFinish();

    const loc = new Localization(

      ['mock.ftl'],

      false,

      registry,

);

      // Simple value works.

      let val = await loc.formatValue("key1");

      is(val, "Value");

      // Value with a string argument works.

      let val = await loc.formatValue("key2", { user: "John" });

      is(val, "Value John");

      // Value with a number argument works.

      let val = await loc.formatValue("key3", { count: -3.21 });

      is(val, "Value -3.21");

      // Verify that in automation, a missing

      // argument causes an exception.

      try {

        let val = await loc.formatValue("key3");

        ok(false, "Missing argument didn't cause an exception.");

      } catch (e) {

        is(e.message,

          "[fluent][resolver] errors in en-US/key3: Resolver error: Unknown variable: $count",

          "Missing key causes an exception.");

      // Incorrect argument type works.

      // Due to how WebIDL handles union types, it'll convert

      // the argument to a string `[object Object]`.

      let val = await loc.formatValue("key2", { user: { name: true } });

      is(val, "Value [object Object]");

    SimpleTest.finish();

  })();

  </script>

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