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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-change-actions</title>

<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<script src="../../../scripts/util.js"></script>

<link rel="import" href="../../../bower_components/iron-test-helpers/iron-test-helpers.html">
<link rel="import" href="gr-change-actions.html">

<test-fixture id="basic">
  <template>
    <gr-change-actions></gr-change-actions>
  </template>
</test-fixture>

<script>
  suite('gr-change-actions tests', function() {
    var element;
    setup(function() {
      stub('gr-rest-api-interface', {
        getChangeRevisionActions: function() {
          return Promise.resolve({
            '/': {
              method: 'DELETE',
              label: 'Delete',
              title: 'Delete draft revision 2',
              enabled: true,
            },
            cherrypick: {
              method: 'POST',
              label: 'Cherry Pick',
              title: 'Cherry pick change to a different branch',
              enabled: true,
            },
            rebase: {
              method: 'POST',
              label: 'Rebase',
              title: 'Rebase onto tip of branch or parent change',
              enabled: true,
            },
            submit: {
              method: 'POST',
              label: 'Submit',
              title: 'Submit patch set 2 into master',
              enabled: true,
            },
          });
        },
        send: function(method, url, payload) {
          if (method !== 'POST') { return Promise.reject('bad method'); }

          if (url === '/changes/42/revisions/2/submit') {
            return Promise.resolve({
              ok: true,
              text: function() { return Promise.resolve(')]}\'\n{}'); },
            });
          } else if (url === '/changes/42/revisions/2/rebase') {
            return Promise.resolve({
              ok: true,
              text: function() { return Promise.resolve(')]}\'\n{}'); },
            });
          }

          return Promise.reject('bad url');
        },
      });

      element = fixture('basic');
      element.changeNum = '42';
      element.patchNum = '2';
      element.actions = {
        '/': {
          method: 'DELETE',
          label: 'Delete',
          title: 'Delete draft change 42',
          enabled: true
        },
      };
      return element.reload();
    });

    test('buttons show', function(done) {
      flush(function() {
        var buttonEls = Polymer.dom(element.root).querySelectorAll('gr-button');
        assert.equal(buttonEls.length, 5);
        assert.isFalse(element.hidden);
        done();
      });
    });

    test('delete buttons have explicit labels', function(done) {
      flush(function() {
        var buttonEls =
            Polymer.dom(element.root).querySelectorAll('[data-action-key="/"]');
        assert.equal(buttonEls.length, 2);
        assert.notEqual(buttonEls[0].getAttribute('data-label'),
            buttonEls[1].getAttribute['data-label']);
        assert.isTrue(
            buttonEls[0].getAttribute('data-label') === 'Delete Revision' ||
            buttonEls[0].getAttribute('data-label') === 'Delete Change'
        );
        assert.isTrue(
            buttonEls[1].getAttribute('data-label') === 'Delete Revision' ||
            buttonEls[1].getAttribute('data-label') === 'Delete Change'
        );
        done();
      });
    });

    test('submit change', function(done) {
      flush(function() {
        var submitButton = element.$$('gr-button[data-action-key="submit"]');
        assert.ok(submitButton);
        MockInteractions.tap(submitButton);

        // Upon success it should fire the reload-change event.
        element.addEventListener('reload-change', function(e) {
          done();
        });
      });
    });

    test('submit change with plugin hook', function(done) {
      var canSubmitStub = sinon.stub(element, '_canSubmitChange',
          function() { return false; });
      var fireActionStub = sinon.stub(element, '_fireAction');
      flush(function() {
        var submitButton = element.$$('gr-button[data-action-key="submit"]');
        assert.ok(submitButton);
        MockInteractions.tap(submitButton);
        assert.equal(fireActionStub.callCount, 0);

        canSubmitStub.restore();
        fireActionStub.restore();
        done();
      });
    });

    test('rebase change', function(done) {
      var fireActionStub = sinon.stub(element, '_fireAction');
      flush(function() {
        var rebaseButton = element.$$('gr-button[data-action-key="rebase"]');
        MockInteractions.tap(rebaseButton);
        var rebaseAction = {
          __key: 'rebase',
          __type: 'revision',
          __primary: false,
          enabled: true,
          label: 'Rebase',
          method: 'POST',
          title: 'Rebase onto tip of branch or parent change',
        };
        element.$.confirmRebase.base = '1234';
        element._handleRebaseConfirm();
        assert.deepEqual(fireActionStub.lastCall.args,
          ['/rebase', rebaseAction, true, {base: '1234'}]);

        element.$.confirmRebase.base = '';
        element._handleRebaseConfirm();
        assert.deepEqual(fireActionStub.lastCall.args,
          ['/rebase', rebaseAction, true, {}]);

        element.$.confirmRebase.base = 'does not matter';
        element.$.confirmRebase.clearParent = true;
        element._handleRebaseConfirm();
        assert.deepEqual(fireActionStub.lastCall.args,
          ['/rebase', rebaseAction, true, {base: ''}]);

        fireActionStub.restore();
        done();
      });
    });

    test('two dialogs are not shown at the same time', function(done) {
      flush(function() {
        var rebaseButton = element.$$('gr-button[data-action-key="rebase"]');
        assert.ok(rebaseButton);
        MockInteractions.tap(rebaseButton);
        flushAsynchronousOperations();
        assert.isFalse(element.$.confirmRebase.hidden);

        var cherryPickButton =
            element.$$('gr-button[data-action-key="cherrypick"]');
        assert.ok(cherryPickButton);
        MockInteractions.tap(cherryPickButton);
        flushAsynchronousOperations();
        assert.isTrue(element.$.confirmRebase.hidden);
        assert.isFalse(element.$.confirmCherrypick.hidden);
        done();
      });
    });

    suite('cherry-pick', function() {
      var fireActionStub;
      var alertStub;

      setup(function() {
        fireActionStub = sinon.stub(element, '_fireAction');
        alertStub = sinon.stub(window, 'alert');
      });

      teardown(function() {
        alertStub.restore();
        fireActionStub.restore();
      });

      test('works', function() {
        var rebaseButton = element.$$('gr-button[data-action-key="rebase"]');
        MockInteractions.tap(rebaseButton);
        var action = {
          __key: 'cherrypick',
          __type: 'revision',
          __primary: false,
          enabled: true,
          label: 'Cherry Pick',
          method: 'POST',
          title: 'Cherry pick change to a different branch',
        };

        element._handleCherrypickConfirm();
        assert.equal(fireActionStub.callCount, 0);

        element.$.confirmCherrypick.branch = 'master';
        element._handleCherrypickConfirm();
        assert.equal(fireActionStub.callCount, 0);  // Still needs a message.

        element.$.confirmCherrypick.message = 'foo message';
        element._handleCherrypickConfirm();

        assert.deepEqual(fireActionStub.lastCall.args, [
          '/cherrypick', action, true, {
            destination: 'master',
            message: 'foo message',
          }
        ]);
      });
    });

    test('custom actions', function(done) {
      // Add a button with the same key as a server-based one to ensure
      // collisions are taken care of.
      var key = element.addActionButton(element.ActionType.REVISION, 'Bork!');
      element.addEventListener(key + '-tap', function(e) {
        assert.equal(e.detail.node.getAttribute('data-action-key'), key);
        element.removeActionButton(key);
        flush(function() {
          assert.notOk(element.$$('[data-action-key="' + key + '"]'));
          done();
        });
      });
      flush(function() {
        MockInteractions.tap(element.$$('[data-action-key="' + key + '"]'));
      });
    });

    suite('revert change', function() {
      var alertStub;
      var fireActionStub;

      setup(function() {
        fireActionStub = sinon.stub(element, '_fireAction');
        alertStub = sinon.stub(window, 'alert');
        element.actions = {
          revert: {
            method: 'POST',
            label: 'Revert',
            title: 'Revert the change',
            enabled: true
          }
        };
        return element.reload();
      });

      teardown(function() {
        alertStub.restore();
        fireActionStub.restore();
      });

      test('revert change with plugin hook', function(done) {
        var newRevertMsg = 'Modified revert msg';
        var modifyRevertMsgStub = sinon.stub(element, '_modifyRevertMsg',
            function() { return newRevertMsg; });
        var populateRevertMsgStub = sinon.stub(
            element.$.confirmRevertDialog, 'populateRevertMessage',
            function() { return 'original msg'; });
        flush(function() {
          var revertButton = element.$$('gr-button[data-action-key="revert"]');
          MockInteractions.tap(revertButton);

          assert.equal(element.$.confirmRevertDialog.message, newRevertMsg);

          populateRevertMsgStub.restore();
          modifyRevertMsgStub.restore();
          done();
        });
      });

      test('works', function() {
        var populateRevertMsgStub = sinon.stub(
            element.$.confirmRevertDialog, 'populateRevertMessage',
            function() { return 'original msg'; });
        var revertButton = element.$$('gr-button[data-action-key="revert"]');
        MockInteractions.tap(revertButton);

        element.$.confirmRevertDialog.message = 'foo message';
        element._handleRevertDialogConfirm();
        assert.notOk(alertStub.called);

        var action = {
          __key: 'revert',
          __type: 'change',
          __primary: false,
          enabled: true,
          label: 'Revert',
          method: 'POST',
          title: 'Revert the change',
        };
        assert.deepEqual(fireActionStub.lastCall.args, [
          '/revert', action, false, {
            message: 'foo message',
          }]);
        populateRevertMsgStub.restore();
      });
    });
  });
</script>