enable jasmine/prefer-jasmine-matcher

18 files changed, 42 insertions, 45 deletions

diff --git a/spec/javascripts/.eslintrc.yml b/spec/javascripts/.eslintrc.yml
index 9b2c84ce9f5..634510dd737 100644
--- a/spec/javascripts/.eslintrc.yml
+++ b/spec/javascripts/.eslintrc.yml
@@ -39,5 +39,4 @@ rules:
   jasmine/new-line-before-expect: off
   jasmine/new-line-between-declarations: off
   jasmine/no-promise-without-done-fail: off
-  jasmine/prefer-jasmine-matcher: off
   jasmine/prefer-toHaveBeenCalledWith: off
diff --git a/spec/javascripts/datetime_utility_spec.js b/spec/javascripts/datetime_utility_spec.js
index 6c3e73f134e..24e4871ce44 100644
--- a/spec/javascripts/datetime_utility_spec.js
+++ b/spec/javascripts/datetime_utility_spec.js
@@ -158,9 +158,9 @@ describe('getTimeframeWindowFrom', () => {
     const timeframe = datetimeUtility.getTimeframeWindowFrom(startDate, 5);
     expect(timeframe.length).toBe(5);
     timeframe.forEach((timeframeItem, index) => {
-      expect(timeframeItem.getFullYear() === mockTimeframe[index].getFullYear()).toBe(true);
-      expect(timeframeItem.getMonth() === mockTimeframe[index].getMonth()).toBe(true);
-      expect(timeframeItem.getDate() === mockTimeframe[index].getDate()).toBeTruthy();
+      expect(timeframeItem.getFullYear()).toBe(mockTimeframe[index].getFullYear());
+      expect(timeframeItem.getMonth()).toBe(mockTimeframe[index].getMonth());
+      expect(timeframeItem.getDate()).toBe(mockTimeframe[index].getDate());
     });
   });
 });
diff --git a/spec/javascripts/diffs/components/diff_file_spec.js b/spec/javascripts/diffs/components/diff_file_spec.js
index 13859f43e98..b8d4b31ee04 100644
--- a/spec/javascripts/diffs/components/diff_file_spec.js
+++ b/spec/javascripts/diffs/components/diff_file_spec.js
@@ -24,14 +24,14 @@ describe('DiffFile', () => {
 
       expect(el.querySelectorAll('.diff-content.hidden').length).toEqual(0);
       expect(el.querySelector('.js-file-title')).toBeDefined();
-      expect(el.querySelector('.file-title-name').innerText.indexOf(filePath) > -1).toEqual(true);
+      expect(el.querySelector('.file-title-name').innerText.indexOf(filePath)).toBeGreaterThan(-1);
       expect(el.querySelector('.js-syntax-highlight')).toBeDefined();
 
       expect(vm.file.renderIt).toEqual(false);
       vm.file.renderIt = true;
 
       vm.$nextTick(() => {
-        expect(el.querySelectorAll('.line_content').length > 5).toEqual(true);
+        expect(el.querySelectorAll('.line_content').length).toBeGreaterThan(5);
       });
     });
 
@@ -98,9 +98,7 @@ describe('DiffFile', () => {
           'This source diff could not be displayed because it is too large',
         );
         expect(vm.$el.querySelector('.js-too-large-diff')).toBeDefined();
-        expect(vm.$el.querySelector('.js-too-large-diff a').href.indexOf(BLOB_LINK) > -1).toEqual(
-          true,
-        );
+        expect(vm.$el.querySelector('.js-too-large-diff a').href.indexOf(BLOB_LINK)).toBeGreaterThan(-1);
 
         done();
       });
diff --git a/spec/javascripts/diffs/components/diff_line_gutter_content_spec.js b/spec/javascripts/diffs/components/diff_line_gutter_content_spec.js
index 663c0680845..f36454cc23e 100644
--- a/spec/javascripts/diffs/components/diff_line_gutter_content_spec.js
+++ b/spec/javascripts/diffs/components/diff_line_gutter_content_spec.js
@@ -94,7 +94,7 @@ describe('DiffLineGutterContent', () => {
       const component = createComponent({ lineNumber, lineCode });
       const link = component.$el.querySelector('a');
 
-      expect(link.href.indexOf(`#${lineCode}`) > -1).toEqual(true);
+      expect(link.href.indexOf(`#${lineCode}`)).toBeGreaterThan(-1);
       expect(link.dataset.linenumber).toEqual(lineNumber.toString());
     });
 
diff --git a/spec/javascripts/diffs/components/inline_diff_view_spec.js b/spec/javascripts/diffs/components/inline_diff_view_spec.js
index b02328dd359..705558e860b 100644
--- a/spec/javascripts/diffs/components/inline_diff_view_spec.js
+++ b/spec/javascripts/diffs/components/inline_diff_view_spec.js
@@ -27,7 +27,7 @@ describe('InlineDiffView', () => {
       expect(el.querySelectorAll('tr.line_holder').length).toEqual(6);
       expect(el.querySelectorAll('tr.line_holder.new').length).toEqual(2);
       expect(el.querySelectorAll('tr.line_holder.match').length).toEqual(1);
-      expect(el.textContent.indexOf('Bad dates') > -1).toEqual(true);
+      expect(el.textContent.indexOf('Bad dates')).toBeGreaterThan(-1);
     });
 
     it('should render discussions', done => {
@@ -37,7 +37,7 @@ describe('InlineDiffView', () => {
       Vue.nextTick(() => {
         expect(el.querySelectorAll('.notes_holder').length).toEqual(1);
         expect(el.querySelectorAll('.notes_holder .note-discussion li').length).toEqual(5);
-        expect(el.innerText.indexOf('comment 5') > -1).toEqual(true);
+        expect(el.innerText.indexOf('comment 5')).toBeGreaterThan(-1);
         component.$store.dispatch('setInitialNotes', []);
 
         done();
diff --git a/spec/javascripts/filtered_search/dropdown_utils_spec.js b/spec/javascripts/filtered_search/dropdown_utils_spec.js
index 68bbbf838da..3dc8089cd83 100644
--- a/spec/javascripts/filtered_search/dropdown_utils_spec.js
+++ b/spec/javascripts/filtered_search/dropdown_utils_spec.js
@@ -237,7 +237,7 @@ describe('Dropdown Utils', () => {
 
     it('should not linear-gradient more than 4 colors', () => {
       const gradient = DropdownUtils.duplicateLabelColor(['#FFFFFF', '#000000', '#333333', '#DDDDDD', '#EEEEEE']);
-      expect(gradient.indexOf('#EEEEEE') === -1).toEqual(true);
+      expect(gradient.indexOf('#EEEEEE')).toBe(-1);
     });
   });
 
diff --git a/spec/javascripts/filtered_search/filtered_search_token_keys_spec.js b/spec/javascripts/filtered_search/filtered_search_token_keys_spec.js
index ab0ab72720e..cf7789a1d57 100644
--- a/spec/javascripts/filtered_search/filtered_search_token_keys_spec.js
+++ b/spec/javascripts/filtered_search/filtered_search_token_keys_spec.js
@@ -19,7 +19,7 @@ describe('Filtered Search Token Keys', () => {
   describe('get', () => {
 
     it('should return tokenKeys', () => {
-      expect(new FilteredSearchTokenKeys().get() !== null).toBe(true);
+      expect(new FilteredSearchTokenKeys().get()).not.toBeNull();
     });
 
     it('should return tokenKeys as an array', () => {
@@ -40,7 +40,7 @@ describe('Filtered Search Token Keys', () => {
 
   describe('getConditions', () => {
     it('should return conditions', () => {
-      expect(new FilteredSearchTokenKeys().getConditions() !== null).toBe(true);
+      expect(new FilteredSearchTokenKeys().getConditions()).not.toBeNull();
     });
 
     it('should return conditions as an array', () => {
@@ -51,7 +51,7 @@ describe('Filtered Search Token Keys', () => {
   describe('searchByKey', () => {
     it('should return null when key not found', () => {
       const tokenKey = new FilteredSearchTokenKeys(tokenKeys).searchByKey('notakey');
-      expect(tokenKey === null).toBe(true);
+      expect(tokenKey).toBeNull();
     });
 
     it('should return tokenKey when found by key', () => {
@@ -63,7 +63,7 @@ describe('Filtered Search Token Keys', () => {
   describe('searchBySymbol', () => {
     it('should return null when symbol not found', () => {
       const tokenKey = new FilteredSearchTokenKeys(tokenKeys).searchBySymbol('notasymbol');
-      expect(tokenKey === null).toBe(true);
+      expect(tokenKey).toBeNull();
     });
 
     it('should return tokenKey when found by symbol', () => {
@@ -75,7 +75,7 @@ describe('Filtered Search Token Keys', () => {
   describe('searchByKeyParam', () => {
     it('should return null when key param not found', () => {
       const tokenKey = new FilteredSearchTokenKeys(tokenKeys).searchByKeyParam('notakeyparam');
-      expect(tokenKey === null).toBe(true);
+      expect(tokenKey).toBeNull();
     });
 
     it('should return tokenKey when found by key param', () => {
@@ -92,7 +92,7 @@ describe('Filtered Search Token Keys', () => {
   describe('searchByConditionUrl', () => {
     it('should return null when condition url not found', () => {
       const condition = new FilteredSearchTokenKeys([], [], conditions).searchByConditionUrl(null);
-      expect(condition === null).toBe(true);
+      expect(condition).toBeNull();
     });
 
     it('should return condition when found by url', () => {
@@ -106,7 +106,7 @@ describe('Filtered Search Token Keys', () => {
     it('should return null when condition tokenKey and value not found', () => {
       const condition = new FilteredSearchTokenKeys([], [], conditions)
         .searchByConditionKeyValue(null, null);
-      expect(condition === null).toBe(true);
+      expect(condition).toBeNull();
     });
 
     it('should return condition when found by tokenKey and value', () => {
diff --git a/spec/javascripts/gl_dropdown_spec.js b/spec/javascripts/gl_dropdown_spec.js
index 25b819543da..62c87642184 100644
--- a/spec/javascripts/gl_dropdown_spec.js
+++ b/spec/javascripts/gl_dropdown_spec.js
@@ -168,9 +168,9 @@ describe('glDropdown', function describeDropdown() {
     it('should show loading indicator while search results are being fetched by backend', () => {
       const dropdownMenu = document.querySelector('.dropdown-menu');
 
-      expect(dropdownMenu.className.indexOf('is-loading') !== -1).toEqual(true);
+      expect(dropdownMenu.className.indexOf('is-loading')).not.toBe(-1);
       remoteCallback();
-      expect(dropdownMenu.className.indexOf('is-loading') !== -1).toEqual(false);
+      expect(dropdownMenu.className.indexOf('is-loading')).toBe(-1);
     });
 
     it('should not focus search input while remote task is not complete', () => {
diff --git a/spec/javascripts/groups/components/group_item_spec.js b/spec/javascripts/groups/components/group_item_spec.js
index d0cac5efc40..49d4f7efd72 100644
--- a/spec/javascripts/groups/components/group_item_spec.js
+++ b/spec/javascripts/groups/components/group_item_spec.js
@@ -45,7 +45,7 @@ describe('GroupItemComponent', () => {
 
         expect(Object.keys(rowClass).length).toBe(classes.length);
         Object.keys(rowClass).forEach((className) => {
-          expect(classes.indexOf(className) > -1).toBeTruthy();
+          expect(classes.indexOf(className)).toBeGreaterThan(-1);
         });
       });
     });
diff --git a/spec/javascripts/groups/components/groups_spec.js b/spec/javascripts/groups/components/groups_spec.js
index 793c4909d89..5af86b55532 100644
--- a/spec/javascripts/groups/components/groups_spec.js
+++ b/spec/javascripts/groups/components/groups_spec.js
@@ -53,7 +53,7 @@ describe('GroupsComponent', () => {
         expect(vm.$el.querySelector('.groups-list-tree-container')).toBeDefined();
         expect(vm.$el.querySelector('.group-list-tree')).toBeDefined();
         expect(vm.$el.querySelector('.gl-pagination')).toBeDefined();
-        expect(vm.$el.querySelectorAll('.has-no-search-results').length === 0).toBeTruthy();
+        expect(vm.$el.querySelectorAll('.has-no-search-results').length).toBe(0);
         done();
       });
     });
diff --git a/spec/javascripts/groups/components/item_stats_spec.js b/spec/javascripts/groups/components/item_stats_spec.js
index ee7ee18259e..e6a57495eb1 100644
--- a/spec/javascripts/groups/components/item_stats_spec.js
+++ b/spec/javascripts/groups/components/item_stats_spec.js
@@ -107,7 +107,7 @@ describe('ItemStatsComponent', () => {
       const visibilityIconEl = vm.$el.querySelector('.item-visibility');
       expect(visibilityIconEl).not.toBe(null);
       expect(visibilityIconEl.dataset.originalTitle).toBe(vm.visibilityTooltip);
-      expect(visibilityIconEl.querySelectorAll('svg').length > 0).toBeTruthy();
+      expect(visibilityIconEl.querySelectorAll('svg').length).toBeGreaterThan(0);
 
       vm.$destroy();
     });
@@ -120,10 +120,10 @@ describe('ItemStatsComponent', () => {
       const vm = createComponent(item);
 
       const projectStarIconEl = vm.$el.querySelector('.project-stars');
-      expect(projectStarIconEl).not.toBe(null);
-      expect(projectStarIconEl.querySelectorAll('svg').length > 0).toBeTruthy();
-      expect(projectStarIconEl.querySelectorAll('.stat-value').length > 0).toBeTruthy();
-      expect(vm.$el.querySelectorAll('.last-updated').length > 0).toBeTruthy();
+      expect(projectStarIconEl).not.toBeNull();
+      expect(projectStarIconEl.querySelectorAll('svg').length).toBeGreaterThan(0);
+      expect(projectStarIconEl.querySelectorAll('.stat-value').length).toBeGreaterThan(0);
+      expect(vm.$el.querySelectorAll('.last-updated').length).toBeGreaterThan(0);
 
       vm.$destroy();
     });
diff --git a/spec/javascripts/groups/components/item_stats_value_spec.js b/spec/javascripts/groups/components/item_stats_value_spec.js
index 5e35ae4d36c..2a995e8efe6 100644
--- a/spec/javascripts/groups/components/item_stats_value_spec.js
+++ b/spec/javascripts/groups/components/item_stats_value_spec.js
@@ -57,8 +57,8 @@ describe('ItemStatsValueComponent', () => {
 
     it('renders component element correctly', () => {
       expect(vm.$el.classList.contains('number-subgroups')).toBeTruthy();
-      expect(vm.$el.querySelectorAll('svg').length > 0).toBeTruthy();
-      expect(vm.$el.querySelectorAll('.stat-value').length > 0).toBeTruthy();
+      expect(vm.$el.querySelectorAll('svg').length).toBeGreaterThan(0);
+      expect(vm.$el.querySelectorAll('.stat-value').length).toBeGreaterThan(0);
     });
 
     it('renders element tooltip correctly', () => {
diff --git a/spec/javascripts/groups/store/groups_store_spec.js b/spec/javascripts/groups/store/groups_store_spec.js
index d74f38f476e..78caf8f80bf 100644
--- a/spec/javascripts/groups/store/groups_store_spec.js
+++ b/spec/javascripts/groups/store/groups_store_spec.js
@@ -29,7 +29,7 @@ describe('ProjectsStore', () => {
       store.setGroups(mockGroups);
       expect(store.state.groups.length).toBe(mockGroups.length);
       expect(store.formatGroupItem).toHaveBeenCalledWith(jasmine.any(Object));
-      expect(Object.keys(store.state.groups[0]).indexOf('fullName') > -1).toBeTruthy();
+      expect(Object.keys(store.state.groups[0]).indexOf('fullName')).toBeGreaterThan(-1);
     });
   });
 
@@ -41,8 +41,8 @@ describe('ProjectsStore', () => {
       store.setSearchedGroups(mockSearchedGroups);
       expect(store.state.groups.length).toBe(mockSearchedGroups.length);
       expect(store.formatGroupItem).toHaveBeenCalledWith(jasmine.any(Object));
-      expect(Object.keys(store.state.groups[0]).indexOf('fullName') > -1).toBeTruthy();
-      expect(Object.keys(store.state.groups[0].children[0]).indexOf('fullName') > -1).toBeTruthy();
+      expect(Object.keys(store.state.groups[0]).indexOf('fullName')).toBeGreaterThan(-1);
+      expect(Object.keys(store.state.groups[0].children[0]).indexOf('fullName')).toBeGreaterThan(-1);
     });
   });
 
@@ -54,7 +54,7 @@ describe('ProjectsStore', () => {
       store.setGroupChildren(mockParentGroupItem, mockRawChildren);
       expect(store.formatGroupItem).toHaveBeenCalledWith(jasmine.any(Object));
       expect(mockParentGroupItem.children.length).toBe(1);
-      expect(Object.keys(mockParentGroupItem.children[0]).indexOf('fullName') > -1).toBeTruthy();
+      expect(Object.keys(mockParentGroupItem.children[0]).indexOf('fullName')).toBeGreaterThan(-1);
       expect(mockParentGroupItem.isOpen).toBeTruthy();
       expect(mockParentGroupItem.isChildrenLoading).toBeFalsy();
     });
@@ -81,14 +81,14 @@ describe('ProjectsStore', () => {
 
       store = new GroupsStore();
       updatedGroupItem = store.formatGroupItem(mockRawChildren[0]);
-      expect(Object.keys(updatedGroupItem).indexOf('fullName') > -1).toBeTruthy();
+      expect(Object.keys(updatedGroupItem).indexOf('fullName')).toBeGreaterThan(-1);
       expect(updatedGroupItem.childrenCount).toBe(mockRawChildren[0].children_count);
       expect(updatedGroupItem.isChildrenLoading).toBe(false);
       expect(updatedGroupItem.isBeingRemoved).toBe(false);
 
       store = new GroupsStore(true);
       updatedGroupItem = store.formatGroupItem(mockRawChildren[0]);
-      expect(Object.keys(updatedGroupItem).indexOf('fullName') > -1).toBeTruthy();
+      expect(Object.keys(updatedGroupItem).indexOf('fullName')).toBeGreaterThan(-1);
       expect(updatedGroupItem.childrenCount).toBe(mockRawChildren[0].subgroup_count);
     });
   });
diff --git a/spec/javascripts/image_diff/helpers/comment_indicator_helper_spec.js b/spec/javascripts/image_diff/helpers/comment_indicator_helper_spec.js
index a284b981d2a..9d05c6859df 100644
--- a/spec/javascripts/image_diff/helpers/comment_indicator_helper_spec.js
+++ b/spec/javascripts/image_diff/helpers/comment_indicator_helper_spec.js
@@ -32,7 +32,7 @@ describe('commentIndicatorHelper', () => {
         expect(svgEl).toBeDefined();
 
         const svgLink = svgEl.querySelector('use').getAttribute('xlink:href');
-        expect(svgLink.indexOf('image-comment-dark') !== -1).toEqual(true);
+        expect(svgLink.indexOf('image-comment-dark')).not.toBe(-1);
       });
     });
   });
diff --git a/spec/javascripts/lib/utils/common_utils_spec.js b/spec/javascripts/lib/utils/common_utils_spec.js
index 28151c7e658..9559c2cf9a4 100644
--- a/spec/javascripts/lib/utils/common_utils_spec.js
+++ b/spec/javascripts/lib/utils/common_utils_spec.js
@@ -42,7 +42,7 @@ describe('common_utils', () => {
 
     it('should remove the question mark from the search params', () => {
       const paramsArray = commonUtils.urlParamsToArray('?test=thing');
-      expect(paramsArray[0][0] !== '?').toBe(true);
+      expect(paramsArray[0][0]).not.toBe('?');
     });
   });
 
diff --git a/spec/javascripts/notes_spec.js b/spec/javascripts/notes_spec.js
index faeedae40e9..7bfbca83c77 100644
--- a/spec/javascripts/notes_spec.js
+++ b/spec/javascripts/notes_spec.js
@@ -538,7 +538,7 @@ import timeoutPromise from './helpers/set_timeout_promise_helper';
         mockNotesPost();
 
         $('.js-comment-button').click();
-        expect($notesContainer.find('.note.being-posted').length > 0).toEqual(true);
+        expect($notesContainer.find('.note.being-posted').length).toBeGreaterThan(0);
       });
 
       it('should remove placeholder note when new comment is done posting', done => {
@@ -582,7 +582,7 @@ import timeoutPromise from './helpers/set_timeout_promise_helper';
         $('.js-comment-button').click();
 
         setTimeout(() => {
-          expect($notesContainer.find(`#note_${note.id}`).length > 0).toEqual(true);
+          expect($notesContainer.find(`#note_${note.id}`).length).toBeGreaterThan(0);
 
           done();
         });
@@ -776,7 +776,7 @@ import timeoutPromise from './helpers/set_timeout_promise_helper';
         $form.find('textarea.js-note-text').val(sampleComment);
         const { formData, formContent, formAction } = this.notes.getFormData($form);
 
-        expect(formData.indexOf(sampleComment) > -1).toBe(true);
+        expect(formData.indexOf(sampleComment)).toBeGreaterThan(-1);
         expect(formContent).toEqual(sampleComment);
         expect(formAction).toEqual($form.attr('action'));
       });
diff --git a/spec/javascripts/vue_mr_widget/components/mr_widget_memory_usage_spec.js b/spec/javascripts/vue_mr_widget/components/mr_widget_memory_usage_spec.js
index 91e81a0675a..305cee94f57 100644
--- a/spec/javascripts/vue_mr_widget/components/mr_widget_memory_usage_spec.js
+++ b/spec/javascripts/vue_mr_widget/components/mr_widget_memory_usage_spec.js
@@ -137,7 +137,7 @@ describe('MemoryUsage', () => {
         } = vm;
 
         expect(hasMetrics).toBeTruthy();
-        expect(memoryMetrics.length > 0).toBeTruthy();
+        expect(memoryMetrics.length).toBeGreaterThan(0);
         expect(deploymentTime).toEqual(deployment_time);
         expect(memoryFrom).toEqual('9.13');
         expect(memoryTo).toEqual('4.28');
diff --git a/spec/javascripts/vue_shared/components/memory_graph_spec.js b/spec/javascripts/vue_shared/components/memory_graph_spec.js
index 65d8ed39ade..0982b3e1f38 100644
--- a/spec/javascripts/vue_shared/components/memory_graph_spec.js
+++ b/spec/javascripts/vue_shared/components/memory_graph_spec.js
@@ -52,8 +52,8 @@ describe('MemoryGraph', () => {
       it('should show human readable median value based on provided median timestamp', () => {
         vm.deploymentTime = mockMedian;
         const formattedMedian = vm.getFormattedMedian;
-        expect(formattedMedian.indexOf('Deployed') > -1).toBeTruthy();
-        expect(formattedMedian.indexOf('ago') > -1).toBeTruthy();
+        expect(formattedMedian.indexOf('Deployed')).toBeGreaterThan(-1);
+        expect(formattedMedian.indexOf('ago')).toBeGreaterThan(-1);
       });
     });
   });