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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-diff-mode-selector</title>
<script src="/test/common-test-setup.js"></script>
<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>
<script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<script src="/bower_components/page/page.js"></script>
<script src="../../../scripts/util.js"></script>
<link rel="import" href="gr-diff-mode-selector.html">
<script>void(0);</script>
<test-fixture id="basic">
<template>
<gr-diff-mode-selector></gr-diff-mode-selector>
</template>
</test-fixture>
<script>
suite('gr-diff-mode-selector tests', () => {
let element;
let sandbox;
setup(() => {
sandbox = sinon.sandbox.create();
element = fixture('basic');
});
teardown(() => {
sandbox.restore();
});
test('_computeSelectedClass', () => {
assert.equal(
element._computeSelectedClass('SIDE_BY_SIDE', 'SIDE_BY_SIDE'),
'selected');
assert.equal(
element._computeSelectedClass('SIDE_BY_SIDE', 'UNIFIED_DIFF'), '');
});
test('setMode', () => {
const saveStub = sandbox.stub(element.$.restAPI, 'savePreferences');
// Setting the mode initially does not save prefs.
element.saveOnChange = true;
element.setMode('SIDE_BY_SIDE');
assert.isFalse(saveStub.called);
// Setting the mode to itself does not save prefs.
element.setMode('SIDE_BY_SIDE');
assert.isFalse(saveStub.called);
// Setting the mode to something else does not save prefs if saveOnChange
// is false.
element.saveOnChange = false;
element.setMode('UNIFIED_DIFF');
assert.isFalse(saveStub.called);
// Setting the mode to something else does not save prefs if saveOnChange
// is false.
element.saveOnChange = true;
element.setMode('SIDE_BY_SIDE');
assert.isTrue(saveStub.calledOnce);
});
});
</script>