Merge "Re use gr-diff-preferences inside gr-settings-view" into stable-2.16
diff --git a/.mailmap b/.mailmap
index c863847..b5c119c 100644
--- a/.mailmap
+++ b/.mailmap
@@ -6,6 +6,7 @@
 Alex Ryazantsev <alex.ryazantsev@gmail.com>                                                 alex.ryazantsev <alex.ryazantsev@gmail.com>
 Andrew Bonventre <andybons@chromium.org>                                                    <andybons@google.com>
 Becky Siegel <beckysiegel@google.com>                                                       beckysiegel <beckysiegel@google.com>
+Ben Rohlfs <brohlfs@google.com>                                                             brohlfs <brohlfs@google.com>
 Brad Larson <bklarson@gmail.com>                                                            <brad.larson@garmin.com>
 Bruce Zu <bruce.zu.run10@gmail.com>                                                         <bruce.zu@sonyericsson.com>
 Bruce Zu <bruce.zu.run10@gmail.com>                                                         <bruce.zu@sonymobile.com>
diff --git a/Documentation/user-search.txt b/Documentation/user-search.txt
index 7c904f5..48d331b 100644
--- a/Documentation/user-search.txt
+++ b/Documentation/user-search.txt
@@ -216,7 +216,8 @@
 [[hashtag]]
 hashtag:'HASHTAG'::
 +
-Changes whose link:intro-user.html#hashtags[hashtag] matches 'HASHTAG' exactly.
+Changes whose link:intro-user.html#hashtags[hashtag] matches 'HASHTAG'.
+The match is case-insensitive.
 
 [[ref]]
 ref:'REF'::
diff --git a/WORKSPACE b/WORKSPACE
index aa4e9f5..47ead15d 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -48,11 +48,11 @@
 # Golang support for PolyGerrit local dev server.
 http_archive(
     name = "io_bazel_rules_go",
-    sha256 = "ee5fe78fe417c685ecb77a0a725dc9f6040ae5beb44a0ba4ddb55453aad23a8a",
-    url = "https://github.com/bazelbuild/rules_go/releases/download/0.16.0/rules_go-0.16.0.tar.gz",
+    sha256 = "6776d68ebb897625dead17ae510eac3d5f6342367327875210df44dbe2aeeb19",
+    url = "https://github.com/bazelbuild/rules_go/releases/download/0.17.1/rules_go-0.17.1.tar.gz",
 )
 
-load("@io_bazel_rules_go//go:def.bzl", "go_register_toolchains", "go_rules_dependencies")
+load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")
 
 go_rules_dependencies()
 
@@ -60,8 +60,8 @@
 
 http_archive(
     name = "bazel_gazelle",
-    sha256 = "c0a5739d12c6d05b6c1ad56f2200cb0b57c5a70e03ebd2f7b87ce88cabf09c7b",
-    urls = ["https://github.com/bazelbuild/bazel-gazelle/releases/download/0.14.0/bazel-gazelle-0.14.0.tar.gz"],
+    sha256 = "3c681998538231a2d24d0c07ed5a7658cb72bfb5fd4bf9911157c0e9ac6a2687",
+    urls = ["https://github.com/bazelbuild/bazel-gazelle/releases/download/0.17.0/bazel-gazelle-0.17.0.tar.gz"],
 )
 
 load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies", "go_repository")
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java
index cb3e9f0..e74ed71 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java
@@ -138,6 +138,7 @@
     suggestions.add("is:ignored");
     suggestions.add("is:wip");
     suggestions.add("is:assigned");
+    suggestions.add("is:submittable");
 
     suggestions.add("status:");
     suggestions.add("status:open");
diff --git a/java/com/google/gerrit/acceptance/LogThreshold.java b/java/com/google/gerrit/acceptance/LogThreshold.java
index da1fcc5..36831f3 100644
--- a/java/com/google/gerrit/acceptance/LogThreshold.java
+++ b/java/com/google/gerrit/acceptance/LogThreshold.java
@@ -17,11 +17,13 @@
 import static java.lang.annotation.ElementType.TYPE;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 
+import java.lang.annotation.Inherited;
 import java.lang.annotation.Retention;
 import java.lang.annotation.Target;
 
 @Target({TYPE, METHOD})
 @Retention(RUNTIME)
+@Inherited
 public @interface LogThreshold {
   String level() default "DEBUG";
 }
diff --git a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.html b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.html
index 456b4a2..07573d3 100644
--- a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.html
+++ b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.html
@@ -39,6 +39,7 @@
 <link rel="import" href="../../shared/gr-overlay/gr-overlay.html">
 <link rel="import" href="../../shared/gr-rest-api-interface/gr-rest-api-interface.html">
 <link rel="import" href="../../shared/gr-tooltip-content/gr-tooltip-content.html">
+<link rel="import" href="../../shared/revision-info/revision-info.html">
 <link rel="import" href="../gr-change-actions/gr-change-actions.html">
 <link rel="import" href="../gr-change-metadata/gr-change-metadata.html">
 <link rel="import" href="../gr-commit-info/gr-commit-info.html">
@@ -524,6 +525,7 @@
             all-patch-sets="[[_allPatchSets]]"
             change="[[_change]]"
             change-num="[[_changeNum]]"
+            revision-info="[[_revisionInfo]]"
             change-comments="[[_changeComments]]"
             commit-info="[[_commitInfo]]"
             change-url="[[_computeChangeUrl(_change)]]"
diff --git a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.js b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.js
index 909a1ee..470f859 100644
--- a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.js
+++ b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.js
@@ -122,6 +122,7 @@
         type: Object,
         value: {},
       },
+      _prefs: Object,
       /** @type {?} */
       _changeComments: Object,
       _canStartReview: {
@@ -134,6 +135,10 @@
         type: Object,
         observer: '_changeChanged',
       },
+      _revisionInfo: {
+        type: Object,
+        computed: '_getRevisionInfo(_change)',
+      },
       /** @type {?} */
       _commitInfo: Object,
       _currentRevision: {
@@ -262,6 +267,7 @@
       'fullscreen-overlay-closed': '_handleShowBackgroundContent',
       'diff-comments-modified': '_handleReloadCommentThreads',
     },
+
     observers: [
       '_labelsChanged(_change.labels.*)',
       '_paramsAndChangeChanged(params, _change)',
@@ -335,7 +341,7 @@
     _setDiffViewMode(opt_reset) {
       if (!opt_reset && this.viewState.diffViewMode) { return; }
 
-      return this.$.restAPI.getPreferences().then( prefs => {
+      return this._getPreferences().then( prefs => {
         if (!this.viewState.diffMode) {
           this.set('viewState.diffMode', prefs.default_diff_view);
         }
@@ -790,10 +796,11 @@
 
     _changeChanged(change) {
       if (!change || !this._patchRange || !this._allPatchSets) { return; }
-      this.set('_patchRange.basePatchNum',
-          this._patchRange.basePatchNum || 'PARENT');
-      this.set('_patchRange.patchNum',
-          this._patchRange.patchNum ||
+
+      const parent = this._getBasePatchNum(change, this._patchRange);
+
+      this.set('_patchRange.basePatchNum', parent);
+      this.set('_patchRange.patchNum', this._patchRange.patchNum ||
               this.computeLatestPatchNum(this._allPatchSets));
 
       // Reset the related changes toggle in the event it was previously
@@ -804,6 +811,35 @@
       this.fire('title-change', {title});
     },
 
+    /**
+     * Gets base patch number, if is a parent try and
+     * decide from preference weather to default to `auto merge`
+     * or `Parent 1`.
+     * @param {Object} change
+     * @param {Object} patchRange
+     * @return {number|string}
+     */
+    _getBasePatchNum(change, patchRange) {
+      if (patchRange.basePatchNum &&
+          patchRange.basePatchNum !== 'PARENT') {
+        return patchRange.basePatchNum;
+      }
+
+      const revisionInfo = this._getRevisionInfo(change);
+      if (!revisionInfo) return 'PARENT';
+
+      const parentCounts = revisionInfo.getParentCountMap();
+      // check that there is at least 2 parents otherwise fall back to 1,
+      // which means there is only one parent.
+      const parentCount = parentCounts.hasOwnProperty(1) ?
+          parentCounts[1] : 1;
+
+      const preferFirst = this._prefs &&
+          this._prefs.default_base_for_merges === 'FIRST_PARENT';
+
+      return parentCount > 1 && preferFirst ? -1 : 'PARENT';
+    },
+
     _computeChangeUrl(change) {
       return Gerrit.Nav.getUrlForChange(change);
     },
@@ -1057,6 +1093,10 @@
           });
     },
 
+    _getPreferences() {
+      return this.$.restAPI.getPreferences();
+    },
+
     _updateRebaseAction(revisionActions) {
       if (revisionActions && revisionActions.rebase) {
         revisionActions.rebase.rebaseOnCurrent =
@@ -1110,9 +1150,12 @@
       const detailCompletes = this.$.restAPI.getChangeDetail(
           this._changeNum, this._handleGetChangeDetailError.bind(this));
       const editCompletes = this._getEdit();
+      const prefCompletes = this._getPreferences();
 
-      return Promise.all([detailCompletes, editCompletes])
-          .then(([change, edit]) => {
+      return Promise.all([detailCompletes, editCompletes, prefCompletes])
+          .then(([change, edit, prefs]) => {
+            this._prefs = prefs;
+
             if (!change) {
               return '';
             }
@@ -1661,6 +1704,10 @@
           e.detail.starred);
     },
 
+    _getRevisionInfo(change) {
+      return new Gerrit.RevisionInfo(change);
+    },
+
     _computeCurrentRevision(currentRevision, revisions) {
       return revisions && revisions[currentRevision];
     },
diff --git a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html
index 267e21a..419cf01 100644
--- a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html
+++ b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html
@@ -1581,8 +1581,8 @@
     });
 
     test('_selectedRevision updates when patchNum is changed', () => {
-      const revision1 = {_number: 1, commit: {}};
-      const revision2 = {_number: 2, commit: {}};
+      const revision1 = {_number: 1, commit: {parents: []}};
+      const revision2 = {_number: 2, commit: {parents: []}};
       sandbox.stub(element.$.restAPI, 'getChangeDetail').returns(
           Promise.resolve({
             revisions: {
@@ -1595,6 +1595,7 @@
             change_id: 'loremipsumdolorsitamet',
           }));
       sandbox.stub(element, '_getEdit').returns(Promise.resolve());
+      sandbox.stub(element, '_getPreferences').returns(Promise.resolve({}));
       element._patchRange = {patchNum: '2'};
       return element._getChangeDetail().then(() => {
         assert.strictEqual(element._selectedRevision, revision2);
diff --git a/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.html b/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.html
index 5e82cda..28d25d2 100644
--- a/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.html
+++ b/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.html
@@ -19,8 +19,8 @@
 
 <link rel="import" href="../../../behaviors/gr-patch-set-behavior/gr-patch-set-behavior.html">
 <link rel="import" href="../../../behaviors/rest-client-behavior/rest-client-behavior.html">
-<link rel="import" href="../../shared/gr-download-commands/gr-download-commands.html">
 <link rel="import" href="../../../styles/shared-styles.html">
+<link rel="import" href="../../shared/gr-download-commands/gr-download-commands.html">
 
 <dom-module id="gr-download-dialog">
   <template>
@@ -87,7 +87,7 @@
           selected-scheme="{{_selectedScheme}}"></gr-download-commands>
     </section>
     <section class="flexContainer">
-      <div class="patchFiles">
+      <div class="patchFiles" hidden="[[_computeHidePatchFile(change, patchNum)]]" hidden>
         <label>Patch file</label>
         <div>
           <a
diff --git a/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.js b/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.js
index 5fc81e8..4fe6d8f 100644
--- a/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.js
+++ b/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog.js
@@ -138,6 +138,17 @@
       return shortRev + '.diff.' + (opt_zip ? 'zip' : 'base64');
     },
 
+    _computeHidePatchFile(change, patchNum) {
+      for (const rev of Object.values(change.revisions || {})) {
+        if (this.patchNumEquals(rev._number, patchNum)) {
+          const parentLength = rev.commit && rev.commit.parents ?
+                rev.commit.parents.length : 0;
+          return parentLength == 0;
+        }
+      }
+      return false;
+    },
+
     _computeArchiveDownloadLink(change, patchNum, format) {
       return this.changeBaseURL(change.project, change._number, patchNum) +
           '/archive?format=' + format;
diff --git a/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog_test.html b/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog_test.html
index 2915e29..ee284b9 100644
--- a/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog_test.html
@@ -45,6 +45,9 @@
       revisions: {
         '34685798fe548b6d17d1e8e5edc43a26d055cc72': {
           _number: 1,
+          commit: {
+            parents: [],
+          },
           fetch: {
             repo: {
               commands: {
@@ -105,6 +108,9 @@
       revisions: {
         '34685798fe548b6d17d1e8e5edc43a26d055cc72': {
           _number: 1,
+          commit: {
+            parents: [],
+          },
           fetch: {},
         },
       },
@@ -188,5 +194,25 @@
       assert.equal(element._computeShowDownloadCommands([]), 'hidden');
       assert.equal(element._computeShowDownloadCommands(['test']), '');
     });
+
+    test('_computeHidePatchFile', () => {
+      const patchNum = '1';
+
+      const change1 = {
+        revisions: {
+          r1: {_number: 1, commit: {parents: []}},
+        },
+      };
+      assert.isTrue(element._computeHidePatchFile(change1, patchNum));
+
+      const change2 = {
+        revisions: {
+          r1: {_number: 1, commit: {parents: [
+            {commit: 'p1'},
+          ]}},
+        },
+      };
+      assert.isFalse(element._computeHidePatchFile(change2, patchNum));
+    });
   });
 </script>
diff --git a/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.html b/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.html
index 142e706..22c476c 100644
--- a/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.html
+++ b/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.html
@@ -28,7 +28,6 @@
 <link rel="import" href="../../shared/gr-select/gr-select.html">
 <link rel="import" href="../../shared/gr-button/gr-button.html">
 <link rel="import" href="../../shared/gr-icons/gr-icons.html">
-<link rel="import" href="../../shared/revision-info/revision-info.html">
 <link rel="import" href="../gr-file-list-constants.html">
 
 <dom-module id="gr-file-list-header">
@@ -164,7 +163,7 @@
               base-patch-num="[[basePatchNum]]"
               available-patches="[[allPatchSets]]"
               revisions="[[change.revisions]]"
-              revision-info="[[_revisionInfo]]"
+              revision-info="[[revisionInfo]]"
               on-patch-range-change="_handlePatchChange">
           </gr-patch-range-select>
           <span class="separator"></span>
diff --git a/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.js b/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.js
index 665472b..c6e369c 100644
--- a/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.js
+++ b/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header.js
@@ -84,10 +84,7 @@
         type: Boolean,
         computed: '_computeDescriptionReadOnly(loggedIn, change, account)',
       },
-      _revisionInfo: {
-        type: Object,
-        computed: '_getRevisionInfo(change)',
-      },
+      revisionInfo: Object,
     },
 
     behaviors: [
@@ -230,10 +227,6 @@
       return 'patchInfoOldPatchSet';
     },
 
-    _getRevisionInfo(change) {
-      return new Gerrit.RevisionInfo(change);
-    },
-
     _hideIncludedIn(change) {
       return change && change.status === MERGED_STATUS ? '' : 'hide';
     },
diff --git a/polygerrit-ui/app/elements/core/gr-search-bar/gr-search-bar.js b/polygerrit-ui/app/elements/core/gr-search-bar/gr-search-bar.js
index a81526c..91c16c3 100644
--- a/polygerrit-ui/app/elements/core/gr-search-bar/gr-search-bar.js
+++ b/polygerrit-ui/app/elements/core/gr-search-bar/gr-search-bar.js
@@ -60,6 +60,7 @@
     'is:reviewed',
     'is:reviewer',
     'is:starred',
+    'is:submittable',
     'is:watched',
     'is:wip',
     'label:',
diff --git a/polygerrit-ui/app/elements/plugins/gr-endpoint-decorator/gr-endpoint-decorator.js b/polygerrit-ui/app/elements/plugins/gr-endpoint-decorator/gr-endpoint-decorator.js
index 70eed78..fe82f2b 100644
--- a/polygerrit-ui/app/elements/plugins/gr-endpoint-decorator/gr-endpoint-decorator.js
+++ b/polygerrit-ui/app/elements/plugins/gr-endpoint-decorator/gr-endpoint-decorator.js
@@ -112,7 +112,7 @@
     },
 
     _initModule({moduleName, plugin, type, domHook}) {
-      if (this._initializedPlugins.get(plugin.name)) {
+      if (this._initializedPlugins.get(plugin.getPluginName())) {
         return;
       }
       let initPromise;
@@ -128,7 +128,7 @@
         console.warn('Unable to initialize module' +
             `${moduleName} from ${plugin.getPluginName()}`);
       }
-      this._initializedPlugins.set(plugin.name, true);
+      this._initializedPlugins.set(plugin.getPluginName(), true);
       initPromise.then(el => {
         domHook.handleInstanceAttached(el);
         this._domHooks.set(el, domHook);
diff --git a/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view.html b/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view.html
index cb536c1..3c4270f 100644
--- a/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view.html
+++ b/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view.html
@@ -195,6 +195,18 @@
               </gr-select>
             </span>
           </section>
+          <section hidden$="[[!_localPrefs.default_base_for_merges]]">
+            <span class="title">Default Base For Merges</span>
+            <span class="value">
+              <gr-select
+                  bind-value="{{_localPrefs.default_base_for_merges}}">
+                <select>
+                  <option value="AUTO_MERGE">Auto Merge</option>
+                  <option value="FIRST_PARENT">First Parent</option>
+                </select>
+              </gr-select>
+            </span>
+          </section>
           <section>
             <span class="title">Diff view</span>
             <span class="value">
diff --git a/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view.js b/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view.js
index 0ace87c..916f97f 100644
--- a/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view.js
+++ b/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view.js
@@ -25,6 +25,7 @@
     'diff_view',
     'publish_comments_on_push',
     'work_in_progress_by_default',
+    'default_base_for_merges',
     'signed_off_by',
     'email_format',
     'size_bar_in_change_table',
diff --git a/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view_test.html b/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view_test.html
index 2f0cb7c..b0ef704 100644
--- a/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view_test.html
@@ -87,6 +87,7 @@
         diff_view: 'UNIFIED_DIFF',
         email_strategy: 'ENABLED',
         email_format: 'HTML_PLAINTEXT',
+        default_base_for_merges: 'FIRST_PARENT',
         size_bar_in_change_table: true,
 
         my: [
@@ -148,6 +149,8 @@
           .firstElementChild.bindValue, preferences.email_strategy);
       assert.equal(valueOf('Email format', 'preferences')
           .firstElementChild.bindValue, preferences.email_format);
+      assert.equal(valueOf('Default Base For Merges', 'preferences')
+          .firstElementChild.bindValue, preferences.default_base_for_merges);
       assert.equal(valueOf('Diff view', 'preferences')
           .firstElementChild.bindValue, preferences.diff_view);
       assert.equal(valueOf('Show size bars in file list', 'preferences')
diff --git a/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar.js b/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar.js
index f32e940b..bf56382 100644
--- a/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar.js
+++ b/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar.js
@@ -41,25 +41,30 @@
 
     attached() {
       Promise.all([
-        this.$.restAPI.getConfig(),
+        this._getConfig(),
         Gerrit.awaitPluginsLoaded(),
       ]).then(([cfg]) => {
         this._hasAvatars = !!(cfg && cfg.plugin && cfg.plugin.has_avatars);
-        if (this._hasAvatars && this.account) {
-          // src needs to be set if avatar becomes visible
-          this._updateAvatarURL();
-        } else {
-          this.hidden = true;
-        }
+
+        this._updateAvatarURL();
       });
     },
 
+    _getConfig() {
+      return this.$.restAPI.getConfig();
+    },
+
     _accountChanged(account) {
       this._updateAvatarURL();
     },
 
     _updateAvatarURL() {
-      if (this.hidden || !this._hasAvatars) { return; }
+      if (!this._hasAvatars || !this.account) {
+        this.hidden = true;
+        return;
+      }
+      this.hidden = false;
+
       const url = this._buildAvatarURL(this.account);
       if (url) {
         this.style.backgroundImage = 'url("' + url + '")';
diff --git a/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar_test.html b/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar_test.html
index f137c7f..5ce17c0 100644
--- a/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar_test.html
@@ -35,14 +35,17 @@
 <script>
   suite('gr-avatar tests', () => {
     let element;
+    let sandbox;
 
     setup(() => {
-      stub('gr-rest-api-interface', {
-        getConfig() { return Promise.resolve({plugin: {has_avatars: true}}); },
-      });
+      sandbox = sinon.sandbox.create();
       element = fixture('basic');
     });
 
+    teardown(() => {
+      sandbox.restore();
+    });
+
     test('methods', () => {
       assert.equal(element._buildAvatarURL(
           {
@@ -94,22 +97,32 @@
             ],
           }),
           '/accounts/123/avatar?s=16');
+      assert.equal(element._buildAvatarURL(undefined), '');
     });
 
     test('dom for existing account', () => {
       assert.isFalse(element.hasAttribute('hidden'));
+
+      sandbox.stub(element, '_getConfig', () => {
+        return Promise.resolve({plugin: {has_avatars: true}});
+      });
+
       element.imageSize = 64;
       element.account = {
         _account_id: 123,
       };
+
       assert.strictEqual(element.style.backgroundImage, '');
+
       // Emulate plugins loaded.
       Gerrit._setPluginsPending([]);
-      return Promise.all([
+
+      Promise.all([
         element.$.restAPI.getConfig(),
         Gerrit.awaitPluginsLoaded(),
       ]).then(() => {
         assert.isFalse(element.hasAttribute('hidden'));
+
         assert.isTrue(
             element.style.backgroundImage.includes('/accounts/123/avatar?s=64'));
       });
@@ -117,10 +130,57 @@
 
     test('dom for non available account', () => {
       assert.isFalse(element.hasAttribute('hidden'));
-      element.account = null;
-      assert.isFalse(element.hasAttribute('hidden'));
+
+      sandbox.stub(element, '_getConfig', () => {
+        return Promise.resolve({plugin: {has_avatars: true}});
+      });
+
       // Emulate plugins loaded.
       Gerrit._setPluginsPending([]);
+
+      return Promise.all([
+        element.$.restAPI.getConfig(),
+        Gerrit.awaitPluginsLoaded(),
+      ]).then(() => {
+        assert.isTrue(element.hasAttribute('hidden'));
+
+        assert.strictEqual(element.style.backgroundImage, '');
+      });
+    });
+
+    test('avatar config not set and account not set', () => {
+      assert.isFalse(element.hasAttribute('hidden'));
+
+      sandbox.stub(element, '_getConfig', () => {
+        return Promise.resolve({});
+      });
+
+      // Emulate plugins loaded.
+      Gerrit._setPluginsPending([]);
+
+      return Promise.all([
+        element.$.restAPI.getConfig(),
+        Gerrit.awaitPluginsLoaded(),
+      ]).then(() => {
+        assert.isTrue(element.hasAttribute('hidden'));
+      });
+    });
+
+    test('avatar config not set and account set', () => {
+      assert.isFalse(element.hasAttribute('hidden'));
+
+      sandbox.stub(element, '_getConfig', () => {
+        return Promise.resolve({});
+      });
+
+      element.imageSize = 64;
+      element.account = {
+        _account_id: 123,
+      };
+
+      // Emulate plugins loaded.
+      Gerrit._setPluginsPending([]);
+
       return Promise.all([
         element.$.restAPI.getConfig(),
         Gerrit.awaitPluginsLoaded(),