<!DOCTYPE html>
<!--
@license
Copyright (C) 2017 The Android Open Source Project

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-plugin-host</title>

<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<link rel="import" href="gr-plugin-host.html">

<script>void(0);</script>

<test-fixture id="basic">
  <template>
    <gr-plugin-host></gr-plugin-host>
  </template>
</test-fixture>

<script>
  suite('gr-plugin-host tests', () => {
    let element;
    let sandbox;
    let url;

    setup(() => {
      element = fixture('basic');
      sandbox = sinon.sandbox.create();
      sandbox.stub(document.body, 'appendChild');
      sandbox.stub(element, 'importHref');
      url = window.location.origin;
    });

    teardown(() => {
      sandbox.restore();
    });

    test('counts plugins', () => {
      sandbox.stub(Gerrit, '_setPluginsCount');
      element.config = {
        plugin: {
          html_resource_paths: ['plugins/foo/bar', 'plugins/baz'],
          js_resource_paths: ['plugins/42'],
        },
      };
      assert.isTrue(Gerrit._setPluginsCount.calledWith(3));
    });

    test('imports relative html plugins from config', () => {
      sandbox.stub(Gerrit, '_pluginInstallError');
      element.config = {
        plugin: {html_resource_paths: ['foo/bar', 'baz']},
      };
      assert.equal(element.importHref.firstCall.args[0], url + '/foo/bar');
      assert.isTrue(element.importHref.firstCall.args[3]);

      assert.equal(element.importHref.secondCall.args[0], url + '/baz');
      assert.isTrue(element.importHref.secondCall.args[3]);

      assert.equal(Gerrit._pluginInstallError.callCount, 0);
      element.importHref.firstCall.args[2]();
      assert.equal(Gerrit._pluginInstallError.callCount, 1);
      element.importHref.secondCall.args[2]();
      assert.equal(Gerrit._pluginInstallError.callCount, 2);
    });

    test('imports relative html plugins from config with a base url', () => {
      sandbox.stub(Gerrit, '_pluginInstallError');
      sandbox.stub(element, 'getBaseUrl').returns('/the-base');
      element.config = {
        plugin: {html_resource_paths: ['foo/bar', 'baz']}};
      assert.equal(element.importHref.firstCall.args[0],
          url + '/the-base/foo/bar');
      assert.isTrue(element.importHref.firstCall.args[3]);

      assert.equal(element.importHref.secondCall.args[0],
          url + '/the-base/baz');
      assert.isTrue(element.importHref.secondCall.args[3]);
      assert.equal(Gerrit._pluginInstallError.callCount, 0);
      element.importHref.firstCall.args[2]();
      assert.equal(Gerrit._pluginInstallError.callCount, 1);
      element.importHref.secondCall.args[2]();
      assert.equal(Gerrit._pluginInstallError.callCount, 2);
    });

    test('importHref is not called with null callback functions', () => {
      const plugins = ['path/to/plugin'];
      element._importHtmlPlugins(plugins);
      assert.isTrue(element.importHref.calledOnce);
      assert.isFunction(element.importHref.lastCall.args[1]);
      assert.isFunction(element.importHref.lastCall.args[2]);
    });

    test('imports absolute html plugins from config', () => {
      sandbox.stub(Gerrit, '_pluginInstallError');
      element.config = {
        plugin: {
          html_resource_paths: [
            'http://example.com/foo/bar',
            'https://example.com/baz',
          ],
        },
      };
      assert.equal(element.importHref.firstCall.args[0],
          'http://example.com/foo/bar');
      assert.isTrue(element.importHref.firstCall.args[3]);

      assert.equal(element.importHref.secondCall.args[0],
          'https://example.com/baz');
      assert.isTrue(element.importHref.secondCall.args[3]);
      assert.equal(Gerrit._pluginInstallError.callCount, 0);
      element.importHref.firstCall.args[2]();
      assert.equal(Gerrit._pluginInstallError.callCount, 1);
      element.importHref.secondCall.args[2]();
      assert.equal(Gerrit._pluginInstallError.callCount, 2);
    });

    test('adds js plugins from config to the body', () => {
      element.config = {plugin: {js_resource_paths: ['foo/bar', 'baz']}};
      assert.isTrue(document.body.appendChild.calledTwice);
    });

    test('imports relative js plugins from config', () => {
      sandbox.stub(element, '_createScriptTag');
      element.config = {plugin: {js_resource_paths: ['foo/bar', 'baz']}};
      assert.isTrue(element._createScriptTag.calledWith(url + '/foo/bar'));
      assert.isTrue(element._createScriptTag.calledWith(url + '/baz'));
    });

    test('imports relative html plugins from config with a base url', () => {
      sandbox.stub(element, '_createScriptTag');
      sandbox.stub(element, 'getBaseUrl').returns('/the-base');
      element.config = {plugin: {js_resource_paths: ['foo/bar', 'baz']}};
      assert.isTrue(element._createScriptTag.calledWith(
          url + '/the-base/foo/bar'));
      assert.isTrue(element._createScriptTag.calledWith(
          url + '/the-base/baz'));
    });

    test('imports absolute html plugins from config', () => {
      sandbox.stub(element, '_createScriptTag');
      element.config = {
        plugin: {
          js_resource_paths: [
            'http://example.com/foo/bar',
            'https://example.com/baz',
          ],
        },
      };
      assert.isTrue(element._createScriptTag.calledWith(
          'http://example.com/foo/bar'));
      assert.isTrue(element._createScriptTag.calledWith(
          'https://example.com/baz'));
    });

    test('default theme is loaded with html plugins', () => {
      sandbox.stub(Gerrit, '_pluginInstallError');
      element.config = {
        default_theme: '/oof',
        plugin: {
          html_resource_paths: ['some'],
        },
      };
      assert.equal(element.importHref.firstCall.args[0], url + '/oof');
      assert.isFalse(element.importHref.firstCall.args[3]);

      assert.equal(element.importHref.secondCall.args[0], url + '/some');
      assert.isTrue(element.importHref.secondCall.args[3]);
      assert.equal(Gerrit._pluginInstallError.callCount, 0);
      element.importHref.firstCall.args[2]();
      assert.equal(Gerrit._pluginInstallError.callCount, 1);
      element.importHref.secondCall.args[2]();
      assert.equal(Gerrit._pluginInstallError.callCount, 2);
    });

    test('default theme is loaded with html plugins', () => {
      sandbox.stub(Gerrit, '_setPluginsPending');
      element.config = {
        default_theme: '/oof',
        plugin: {},
      };
      assert.isTrue(Gerrit._setPluginsPending.calledWith([url + '/oof']));
    });

    test('skips default theme loading if preloaded', () => {
      sandbox.stub(Gerrit, '_isPluginPreloaded')
          .withArgs('preloaded:gerrit-theme').returns(true);
      sandbox.stub(Gerrit, '_setPluginsPending');
      element.config = {
        default_theme: '/oof',
        plugin: {},
      };
      assert.isFalse(element.importHref.calledWith(url + '/oof'));
    });

    test('skips preloaded plugins', () => {
      sandbox.stub(Gerrit, '_isPluginPreloaded')
          .withArgs(url + '/plugins/foo/bar').returns(true)
          .withArgs(url + '/plugins/42').returns(true);
      sandbox.stub(Gerrit, '_setPluginsCount');
      sandbox.stub(Gerrit, '_setPluginsPending');
      sandbox.stub(element, '_createScriptTag');
      element.config = {
        plugin: {
          html_resource_paths: ['plugins/foo/bar', 'plugins/baz'],
          js_resource_paths: ['plugins/42'],
        },
      };
      assert.isTrue(
          Gerrit._setPluginsPending.calledWith([url + '/plugins/baz']));
      assert.equal(element._createScriptTag.callCount, 0);
      assert.isTrue(element.importHref.calledWith(url + '/plugins/baz'));
    });
  });
</script>