Merge branch '45318-junit-FE' into 'master'

Frontend code for "JUnit XML Test Summary In MR widget"

See merge request gitlab-org/gitlab-ce!20936

34 files changed, 1100 insertions, 17 deletions

diff --git a/app/assets/javascripts/reports/components/grouped_test_reports_app.vue b/app/assets/javascripts/reports/components/grouped_test_reports_app.vue
new file mode 100644
index 00000000000..0fc84b4552a
--- /dev/null
+++ b/app/assets/javascripts/reports/components/grouped_test_reports_app.vue
@@ -0,0 +1,116 @@
+<script>
+  import { mapActions, mapGetters, mapState } from 'vuex';
+  import { s__ } from '~/locale';
+  import { componentNames } from '~/vue_shared/components/reports/issue_body';
+  import ReportSection from '~/vue_shared/components/reports/report_section.vue';
+  import SummaryRow from '~/vue_shared/components/reports/summary_row.vue';
+  import IssuesList from '~/vue_shared/components/reports/issues_list.vue';
+  import Modal from './modal.vue';
+  import createStore from '../store';
+  import { summaryTextBuilder, reportTextBuilder, statusIcon } from '../store/utils';
+
+  export default {
+    name: 'GroupedTestReportsApp',
+    store: createStore(),
+    components: {
+      ReportSection,
+      SummaryRow,
+      IssuesList,
+      Modal,
+    },
+    props: {
+      endpoint: {
+        type: String,
+        required: true,
+      },
+    },
+    componentNames,
+    computed: {
+      ...mapState([
+        'reports',
+        'isLoading',
+        'hasError',
+        'summary',
+      ]),
+      ...mapState({
+        modalTitle: state => state.modal.title || '',
+        modalData: state => state.modal.data || {},
+      }),
+      ...mapGetters([
+        'summaryStatus',
+      ]),
+      groupedSummaryText() {
+        if (this.isLoading) {
+          return s__('Reports|Test summary results are being parsed');
+        }
+
+        if (this.hasError) {
+          return s__('Reports|Test summary failed loading results');
+        }
+
+        return summaryTextBuilder(s__('Reports|Test summary'), this.summary);
+      },
+    },
+    created() {
+      this.setEndpoint(this.endpoint);
+
+      this.fetchReports();
+    },
+    methods: {
+      ...mapActions(['setEndpoint', 'fetchReports']),
+      reportText(report) {
+        const summary = report.summary || {};
+        return reportTextBuilder(report.name, summary);
+      },
+      getReportIcon(report) {
+        return statusIcon(report.status);
+      },
+      shouldRenderIssuesList(report) {
+        return (
+          report.existing_failures.length > 0 ||
+          report.new_failures.length > 0 ||
+          report.resolved_failures > 0
+        );
+      },
+    },
+  };
+</script>
+<template>
+  <report-section
+    :status="summaryStatus"
+    :success-text="groupedSummaryText"
+    :loading-text="groupedSummaryText"
+    :error-text="groupedSummaryText"
+    :has-issues="reports.length > 0"
+    class="mr-widget-border-top grouped-security-reports"
+  >
+    <div
+      slot="body"
+      class="mr-widget-grouped-section report-block"
+    >
+      <template
+        v-for="(report, i) in reports"
+      >
+        <summary-row
+          :summary="reportText(report)"
+          :status-icon="getReportIcon(report)"
+          :key="`summary-row-${i}`"
+        />
+        <issues-list
+          v-if="shouldRenderIssuesList(report)"
+          :unresolved-issues="report.existing_failures"
+          :new-issues="report.new_failures"
+          :resolved-issues="report.resolved_failures"
+          :key="`issues-list-${i}`"
+          :component="$options.componentNames.TestIssueBody"
+          class="report-block-group-list"
+        />
+      </template>
+
+      <modal
+        :title="modalTitle"
+        :modal-data="modalData"
+      />
+    </div>
+  </report-section>
+</template>
diff --git a/app/assets/javascripts/reports/components/modal.vue b/app/assets/javascripts/reports/components/modal.vue
new file mode 100644
index 00000000000..b2133714858
--- /dev/null
+++ b/app/assets/javascripts/reports/components/modal.vue
@@ -0,0 +1,73 @@
+<script>
+  import Modal from '~/vue_shared/components/gl_modal.vue';
+  import LoadingButton from '~/vue_shared/components/loading_button.vue';
+  import CodeBlock from '~/vue_shared/components/code_block.vue';
+  import { fieldTypes } from '../constants';
+
+  export default {
+    components: {
+      Modal,
+      LoadingButton,
+      CodeBlock,
+    },
+    props: {
+      title: {
+        type: String,
+        required: true,
+      },
+      modalData: {
+        type: Object,
+        required: true,
+      },
+    },
+    fieldTypes,
+  };
+</script>
+<template>
+  <modal
+    id="modal-mrwidget-reports"
+    :header-title-text="title"
+    class="modal-security-report-dast modal-hide-footer"
+  >
+    <slot>
+      <div
+        v-for="(field, key, index) in modalData"
+        v-if="field.value"
+        :key="index"
+        class="row prepend-top-10 append-bottom-10"
+      >
+        <strong class="col-sm-2 text-right">
+          {{ field.text }}:
+        </strong>
+
+        <div class="col-sm-10 text-secondary">
+          <code-block
+            v-if="field.type === $options.fieldTypes.codeBock"
+            :code="field.value"
+          />
+
+          <template v-else-if="field.type === $options.fieldTypes.link">
+            <a
+              :href="field.value"
+              target="_blank"
+              rel="noopener noreferrer"
+              class="js-modal-link"
+            >
+              {{ field.value }}
+            </a>
+          </template>
+
+          <template v-else-if="field.type === $options.fieldTypes.miliseconds">
+            {{ field.value }} ms
+          </template>
+
+          <template v-else-if="field.type === $options.fieldTypes.text">
+            {{ field.value }}
+          </template>
+        </div>
+      </div>
+    </slot>
+    <div slot="footer">
+    </div>
+  </modal>
+</template>
diff --git a/app/assets/javascripts/reports/components/test_issue_body.vue b/app/assets/javascripts/reports/components/test_issue_body.vue
new file mode 100644
index 00000000000..cd443a49b52
--- /dev/null
+++ b/app/assets/javascripts/reports/components/test_issue_body.vue
@@ -0,0 +1,44 @@
+<script>
+  import { mapActions } from 'vuex';
+
+  export default {
+    name: 'TestIssueBody',
+    props: {
+      issue: {
+        type: Object,
+        required: true,
+      },
+      // failed || success
+      status: {
+        type: String,
+        required: true,
+      },
+      isNew: {
+        type: Boolean,
+        required: false,
+        default: false,
+      },
+    },
+    methods: {
+      ...mapActions(['openModal']),
+    },
+  };
+</script>
+<template>
+  <div class="report-block-list-issue-description prepend-top-5 append-bottom-5">
+    <div class="report-block-list-issue-description-text">
+      <button
+        type="button"
+        class="btn-link btn-blank text-left break-link vulnerability-name-button"
+        @click="openModal({ issue })"
+      >
+        <div
+          v-if="isNew"
+          class="badge badge-danger append-right-5"
+        >
+          {{ s__('New') }}
+        </div>{{ issue.name }}
+      </button>
+    </div>
+  </div>
+</template>
diff --git a/app/assets/javascripts/reports/constants.js b/app/assets/javascripts/reports/constants.js
new file mode 100644
index 00000000000..807ecb1039e
--- /dev/null
+++ b/app/assets/javascripts/reports/constants.js
@@ -0,0 +1,16 @@
+export const fieldTypes = {
+  codeBock: 'codeBlock',
+  link: 'link',
+  miliseconds: 'miliseconds',
+  text: 'text',
+};
+
+export const LOADING = 'LOADING';
+export const ERROR = 'ERROR';
+export const SUCCESS = 'SUCCESS';
+
+export const STATUS_FAILED = 'failed';
+export const STATUS_SUCCESS = 'success';
+export const ICON_WARNING = 'warning';
+export const ICON_SUCCESS = 'success';
+export const ICON_NOTFOUND = 'notfound';
diff --git a/app/assets/javascripts/reports/store/actions.js b/app/assets/javascripts/reports/store/actions.js
index 15c077b0fd8..acabcc1d193 100644
--- a/app/assets/javascripts/reports/store/actions.js
+++ b/app/assets/javascripts/reports/store/actions.js
@@ -1,7 +1,9 @@
 import Visibility from 'visibilityjs';
+import $ from 'jquery';
 import axios from '../../lib/utils/axios_utils';
 import Poll from '../../lib/utils/poll';
 import * as types from './mutation_types';
+import httpStatusCodes from '../../lib/utils/http_status';
 
 export const setEndpoint = ({ commit }, endpoint) => commit(types.SET_ENDPOINT, endpoint);
 
@@ -41,12 +43,19 @@ export const fetchReports = ({ state, dispatch }) => {
     },
     data: state.endpoint,
     method: 'getReports',
-    successCallback: ({ data }) => dispatch('receiveReportsSuccess', data),
+    successCallback: ({ data, status }) => dispatch('receiveReportsSuccess', {
+      data, status,
+    }),
     errorCallback: () => dispatch('receiveReportsError'),
   });
 
   if (!Visibility.hidden()) {
     eTagPoll.makeRequest();
+  } else {
+    axios
+      .get(state.endpoint)
+      .then(({ data, status }) => dispatch('receiveReportsSuccess', { data, status }))
+      .catch(() => dispatch('receiveReportsError'));
   }
 
   Visibility.change(() => {
@@ -58,10 +67,22 @@ export const fetchReports = ({ state, dispatch }) => {
   });
 };
 
-export const receiveReportsSuccess = ({ commit }, response) =>
-  commit(types.RECEIVE_REPORTS_SUCCESS, response);
+export const receiveReportsSuccess = ({ commit }, response) => {
+  // With 204 we keep polling and don't update the state
+  if (response.status === httpStatusCodes.OK) {
+    commit(types.RECEIVE_REPORTS_SUCCESS, response.data);
+  }
+};
 
 export const receiveReportsError = ({ commit }) => commit(types.RECEIVE_REPORTS_ERROR);
 
+export const openModal = ({ dispatch }, payload) => {
+  dispatch('setModalData', payload);
+
+  $('#modal-mrwidget-reports').modal('show');
+};
+
+export const setModalData = ({ commit }, payload) => commit(types.SET_ISSUE_MODAL_DATA, payload);
+
 // prevent babel-plugin-rewire from generating an invalid default during karma tests
 export default () => {};
diff --git a/app/assets/javascripts/reports/store/getters.js b/app/assets/javascripts/reports/store/getters.js
new file mode 100644
index 00000000000..95266194acb
--- /dev/null
+++ b/app/assets/javascripts/reports/store/getters.js
@@ -0,0 +1,16 @@
+import { LOADING, ERROR, SUCCESS, STATUS_FAILED } from '../constants';
+
+export const summaryStatus = state => {
+  if (state.isLoading) {
+    return LOADING;
+  }
+
+  if (state.hasError || state.status === STATUS_FAILED) {
+    return ERROR;
+  }
+
+  return SUCCESS;
+};
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};
diff --git a/app/assets/javascripts/reports/store/index.js b/app/assets/javascripts/reports/store/index.js
index af4f9688fb4..9d8f7dc3b74 100644
--- a/app/assets/javascripts/reports/store/index.js
+++ b/app/assets/javascripts/reports/store/index.js
@@ -1,6 +1,7 @@
 import Vue from 'vue';
 import Vuex from 'vuex';
 import * as actions from './actions';
+import * as getters from './getters';
 import mutations from './mutations';
 import state from './state';
 
@@ -9,5 +10,6 @@ Vue.use(Vuex);
 export default () => new Vuex.Store({
   actions,
   mutations,
+  getters,
   state: state(),
 });
diff --git a/app/assets/javascripts/reports/store/mutation_types.js b/app/assets/javascripts/reports/store/mutation_types.js
index 77722974c45..82bda31df5d 100644
--- a/app/assets/javascripts/reports/store/mutation_types.js
+++ b/app/assets/javascripts/reports/store/mutation_types.js
@@ -3,3 +3,5 @@ export const SET_ENDPOINT = 'SET_ENDPOINT';
 export const REQUEST_REPORTS = 'REQUEST_REPORTS';
 export const RECEIVE_REPORTS_SUCCESS = 'RECEIVE_REPORTS_SUCCESS';
 export const RECEIVE_REPORTS_ERROR = 'RECEIVE_REPORTS_ERROR';
+export const SET_ISSUE_MODAL_DATA = 'SET_ISSUE_MODAL_DATA';
+
diff --git a/app/assets/javascripts/reports/store/mutations.js b/app/assets/javascripts/reports/store/mutations.js
index d9d301826cf..e806d120b51 100644
--- a/app/assets/javascripts/reports/store/mutations.js
+++ b/app/assets/javascripts/reports/store/mutations.js
@@ -16,11 +16,32 @@ export default {
     state.summary.resolved = response.summary.resolved;
     state.summary.failed = response.summary.failed;
 
+    state.status = response.status;
     state.reports = response.suites;
 
   },
   [types.RECEIVE_REPORTS_ERROR](state) {
     state.isLoading = false;
     state.hasError = true;
+
+    state.reports = [];
+    state.summary = {
+      total: 0,
+      resolved: 0,
+      failed: 0,
+    };
+    state.status = null;
+  },
+  [types.SET_ISSUE_MODAL_DATA](state, payload) {
+    state.modal.title = payload.issue.name;
+
+    Object.keys(payload.issue).forEach((key) => {
+      if (Object.prototype.hasOwnProperty.call(state.modal.data, key)) {
+        state.modal.data[key] = {
+          ...state.modal.data[key],
+          value: payload.issue[key],
+        };
+      }
+    });
   },
 };
diff --git a/app/assets/javascripts/reports/store/state.js b/app/assets/javascripts/reports/store/state.js
index 97f9d0a6859..4cab2e27a16 100644
--- a/app/assets/javascripts/reports/store/state.js
+++ b/app/assets/javascripts/reports/store/state.js
@@ -1,9 +1,14 @@
+import { s__ } from '~/locale';
+import { fieldTypes } from '../constants';
+
 export default () => ({
   endpoint: null,
 
   isLoading: false,
   hasError: false,
 
+  status: null,
+
   summary: {
     total: 0,
     resolved: 0,
@@ -25,4 +30,32 @@ export default () => ({
    * }
    */
   reports: [],
+
+  modal: {
+    title: null,
+
+    data: {
+      class: {
+        value: null,
+        text: s__('Reports|Class'),
+        type: fieldTypes.link,
+      },
+      execution_time: {
+        value: null,
+        text: s__('Reports|Execution time'),
+        type: fieldTypes.miliseconds,
+      },
+      failure: {
+        value: null,
+        text: s__('Reports|Failure'),
+        type: fieldTypes.codeBock,
+      },
+      system_output: {
+        value: null,
+        text: s__('Reports|System output'),
+        type: fieldTypes.codeBock,
+      },
+    },
+  },
+
 });
diff --git a/app/assets/javascripts/reports/store/utils.js b/app/assets/javascripts/reports/store/utils.js
new file mode 100644
index 00000000000..35632218269
--- /dev/null
+++ b/app/assets/javascripts/reports/store/utils.js
@@ -0,0 +1,59 @@
+import { sprintf, n__, s__ } from '~/locale';
+import {
+  STATUS_FAILED,
+  STATUS_SUCCESS,
+  ICON_WARNING,
+  ICON_SUCCESS,
+  ICON_NOTFOUND,
+} from '../constants';
+
+const textBuilder = results => {
+  const { failed, resolved, total } = results;
+
+  const failedString = failed
+    ? n__('%d failed test result', '%d failed test results', failed)
+    : null;
+  const resolvedString = resolved
+    ? n__('%d fixed test result', '%d fixed test results', resolved)
+    : null;
+  const totalString = total ? n__('out of %d total test', 'out of %d total tests', total) : null;
+
+  let resultsString = s__('Reports|no changed test results');
+
+  if (failed) {
+    if (resolved) {
+      resultsString = sprintf(s__('Reports|%{failedString} and %{resolvedString}'), {
+        failedString,
+        resolvedString,
+      });
+    } else {
+      resultsString = failedString;
+    }
+  } else if (resolved) {
+    resultsString = resolvedString;
+  }
+
+  return `${resultsString} ${totalString}`;
+};
+
+export const summaryTextBuilder = (name = '', results = {}) => {
+  const resultsString = textBuilder(results);
+  return `${name} contained ${resultsString}`;
+};
+
+export const reportTextBuilder = (name = '', results = {}) => {
+  const resultsString = textBuilder(results);
+  return `${name} found ${resultsString}`;
+};
+
+export const statusIcon = status => {
+  if (status === STATUS_FAILED) {
+    return ICON_WARNING;
+  }
+
+  if (status === STATUS_SUCCESS) {
+    return ICON_SUCCESS;
+  }
+
+  return ICON_NOTFOUND;
+};
diff --git a/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.vue b/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.vue
index b5de3dd6d73..80593d1f34a 100644
--- a/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.vue
+++ b/app/assets/javascripts/vue_merge_request_widget/mr_widget_options.vue
@@ -36,6 +36,7 @@ import {
   notify,
   SourceBranchRemovalStatus,
 } from './dependencies';
+import GroupedTestReportsApp from '../reports/components/grouped_test_reports_app.vue';
 import { setFaviconOverlay } from '../lib/utils/common_utils';
 
 export default {
@@ -68,6 +69,7 @@ export default {
     'mr-widget-auto-merge-failed': AutoMergeFailed,
     'mr-widget-rebase': RebaseState,
     SourceBranchRemovalStatus,
+    GroupedTestReportsApp,
   },
   props: {
     mrData: {
@@ -260,6 +262,10 @@ export default {
       :deployment="deployment"
     />
     <div class="mr-section-container">
+      <grouped-test-reports-app
+        v-if="mr.testResultsPath"
+        :endpoint="mr.testResultsPath"
+      />
       <div class="mr-widget-section">
         <component
           :is="componentName"
diff --git a/app/assets/javascripts/vue_merge_request_widget/stores/mr_widget_store.js b/app/assets/javascripts/vue_merge_request_widget/stores/mr_widget_store.js
index e84c436905d..672e5280b5e 100644
--- a/app/assets/javascripts/vue_merge_request_widget/stores/mr_widget_store.js
+++ b/app/assets/javascripts/vue_merge_request_widget/stores/mr_widget_store.js
@@ -108,6 +108,8 @@ export default class MergeRequestStore {
     this.isPipelineBlocked = pipelineStatus ? pipelineStatus.group === 'manual' : false;
     this.ciStatusFaviconPath = pipelineStatus ? pipelineStatus.favicon : null;
 
+    this.testResultsPath = data.test_reports_path;
+
     this.setState(data);
   }
 
diff --git a/app/assets/javascripts/vue_shared/components/code_block.vue b/app/assets/javascripts/vue_shared/components/code_block.vue
new file mode 100644
index 00000000000..3cca7a86bef
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/components/code_block.vue
@@ -0,0 +1,16 @@
+<script>
+export default {
+  name: 'CodeBlock',
+  props: {
+    code: {
+      type: String,
+      required: true,
+    },
+  },
+};
+</script>
+<template>
+  <pre class="code-block rounded">
+    <code class="d-block">{{ code }}</code>
+  </pre>
+</template>
diff --git a/app/assets/javascripts/vue_shared/components/reports/issue_body.js b/app/assets/javascripts/vue_shared/components/reports/issue_body.js
index f2141e519da..54dfb7b16bf 100644
--- a/app/assets/javascripts/vue_shared/components/reports/issue_body.js
+++ b/app/assets/javascripts/vue_shared/components/reports/issue_body.js
@@ -1,3 +1,9 @@
-export const components = {};
+import TestIssueBody from '~/reports/components/test_issue_body.vue';
 
-export const componentNames = {};
+export const components = {
+  TestIssueBody,
+};
+
+export const componentNames = {
+  TestIssueBody: TestIssueBody.name,
+};
diff --git a/app/assets/javascripts/vue_shared/components/reports/issues_list.vue b/app/assets/javascripts/vue_shared/components/reports/issues_list.vue
index c01f77c2509..2545e84f932 100644
--- a/app/assets/javascripts/vue_shared/components/reports/issues_list.vue
+++ b/app/assets/javascripts/vue_shared/components/reports/issues_list.vue
@@ -18,6 +18,11 @@ export default {
   failed: STATUS_FAILED,
   neutral: STATUS_NEUTRAL,
   props: {
+    newIssues: {
+      type: Array,
+      required: false,
+      default: () => [],
+    },
     unresolvedIssues: {
       type: Array,
       required: false,
@@ -45,6 +50,15 @@ export default {
   <div class="report-block-container">
 
     <issues-block
+      v-if="newIssues.length"
+      :component="component"
+      :issues="newIssues"
+      class="js-mr-code-new-issues"
+      status="failed"
+      is-new
+    />
+
+    <issues-block
       v-if="unresolvedIssues.length"
       :component="component"
       :issues="unresolvedIssues"
diff --git a/app/assets/javascripts/vue_shared/components/reports/report_issues.vue b/app/assets/javascripts/vue_shared/components/reports/report_issues.vue
index 2d1f3d82234..1f13e555b31 100644
--- a/app/assets/javascripts/vue_shared/components/reports/report_issues.vue
+++ b/app/assets/javascripts/vue_shared/components/reports/report_issues.vue
@@ -24,6 +24,11 @@ export default {
       type: String,
       required: true,
     },
+    isNew: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
   },
 };
 </script>
@@ -46,6 +51,7 @@ export default {
           :is="component"
           :issue="issue"
           :status="issue.status || status"
+          :is-new="isNew"
         />
       </li>
     </ul>
diff --git a/app/assets/javascripts/vue_shared/components/reports/summary_row.vue b/app/assets/javascripts/vue_shared/components/reports/summary_row.vue
index 997bad960e2..28156d7c983 100644
--- a/app/assets/javascripts/vue_shared/components/reports/summary_row.vue
+++ b/app/assets/javascripts/vue_shared/components/reports/summary_row.vue
@@ -29,7 +29,8 @@ export default {
     },
     popoverOptions: {
       type: Object,
-      required: true,
+      required: false,
+      default: null,
     },
   },
   computed: {
@@ -60,7 +61,11 @@ export default {
         {{ summary }}
       </div>
 
-      <popover :options="popoverOptions" />
+      <popover
+        v-if="popoverOptions"
+        :options="popoverOptions"
+      />
+
     </div>
   </div>
 </template>
diff --git a/app/assets/stylesheets/framework/blocks.scss b/app/assets/stylesheets/framework/blocks.scss
index 340fddd398b..7145a76db6d 100644
--- a/app/assets/stylesheets/framework/blocks.scss
+++ b/app/assets/stylesheets/framework/blocks.scss
@@ -353,3 +353,18 @@
 .flex-right {
   margin-left: auto;
 }
+
+.code-block {
+  background: $black;
+  color: $gray-darkest;
+  white-space: pre;
+  overflow-x: auto;
+  font-size: 12px;
+  border: 0;
+  padding: $grid-size;
+
+  code {
+    background-color: inherit;
+    padding: inherit;
+  }
+}
diff --git a/app/assets/stylesheets/framework/common.scss b/app/assets/stylesheets/framework/common.scss
index 2d6dba52801..c9865610b78 100644
--- a/app/assets/stylesheets/framework/common.scss
+++ b/app/assets/stylesheets/framework/common.scss
@@ -469,3 +469,4 @@ img.emoji {
 .inline { display: inline-block; }
 .center { text-align: center; }
 .vertical-align-middle { vertical-align: middle; }
+.flex-align-self-center { align-self: center; }
diff --git a/app/assets/stylesheets/pages/merge_requests.scss b/app/assets/stylesheets/pages/merge_requests.scss
index 7bd0f0bf1e0..a355ceea7a0 100644
--- a/app/assets/stylesheets/pages/merge_requests.scss
+++ b/app/assets/stylesheets/pages/merge_requests.scss
@@ -15,6 +15,39 @@
   }
 }
 
+.mr-widget-border-top {
+  border-top: 1px solid $border-color;
+}
+
+.media-section {
+  @include media-breakpoint-down(md) {
+    align-items: flex-start;
+
+    .media-body {
+      flex-direction: column;
+      align-items: flex-start;
+    }
+  }
+
+  .code-text {
+    @include media-breakpoint-up(lg) {
+      align-self: center;
+      flex: 1;
+    }
+  }
+}
+
+.mr-widget-section {
+  .media {
+    align-items: center;
+  }
+
+  .code-text {
+    flex: 1;
+  }
+}
+
+
 .mr-widget-heading {
   position: relative;
   border: 1px solid $border-color;
@@ -54,6 +87,14 @@
     padding: 0;
   }
 
+  .grouped-security-reports {
+    padding: 0;
+
+    > .media {
+      padding: $gl-padding;
+    }
+  }
+
   form {
     margin-bottom: 0;
 
diff --git a/changelogs/unreleased/45318-junit-FE.yml b/changelogs/unreleased/45318-junit-FE.yml
new file mode 100644
index 00000000000..bbc08f54484
--- /dev/null
+++ b/changelogs/unreleased/45318-junit-FE.yml
@@ -0,0 +1,5 @@
+---
+title: Adds frontend support to render test reports on the MR widget
+merge_request: 20936
+author:
+type: added
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index dd3c8692954..c1b80cd114c 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -36,6 +36,16 @@ msgid_plural "%d exporters"
 msgstr[0] ""
 msgstr[1] ""
 
+msgid "%d failed test result"
+msgid_plural "%d failed test results"
+msgstr[0] ""
+msgstr[1] ""
+
+msgid "%d fixed test result"
+msgid_plural "%d fixed test results"
+msgstr[0] ""
+msgstr[1] ""
+
 msgid "%d issue"
 msgid_plural "%d issues"
 msgstr[0] ""
@@ -4390,6 +4400,33 @@ msgstr ""
 msgid "Reply to this email directly or %{view_it_on_gitlab}."
 msgstr ""
 
+msgid "Reports|%{failedString} and %{resolvedString}"
+msgstr ""
+
+msgid "Reports|Class"
+msgstr ""
+
+msgid "Reports|Execution time"
+msgstr ""
+
+msgid "Reports|Failure"
+msgstr ""
+
+msgid "Reports|System output"
+msgstr ""
+
+msgid "Reports|Test summary"
+msgstr ""
+
+msgid "Reports|Test summary failed loading results"
+msgstr ""
+
+msgid "Reports|Test summary results are being parsed"
+msgstr ""
+
+msgid "Reports|no changed test results"
+msgstr ""
+
 msgid "Repository"
 msgstr ""
 
@@ -6273,6 +6310,11 @@ msgstr ""
 msgid "or"
 msgstr ""
 
+msgid "out of %d total test"
+msgid_plural "out of %d total tests"
+msgstr[0] ""
+msgstr[1] ""
+
 msgid "parent"
 msgid_plural "parents"
 msgstr[0] ""
diff --git a/spec/javascripts/reports/components/grouped_test_reports_app_spec.js b/spec/javascripts/reports/components/grouped_test_reports_app_spec.js
new file mode 100644
index 00000000000..d86e565036c
--- /dev/null
+++ b/spec/javascripts/reports/components/grouped_test_reports_app_spec.js
@@ -0,0 +1,163 @@
+import Vue from 'vue';
+import MockAdapter from 'axios-mock-adapter';
+import axios from '~/lib/utils/axios_utils';
+import state from '~/reports/store/state';
+import component from '~/reports/components/grouped_test_reports_app.vue';
+import mountComponent from '../../helpers/vue_mount_component_helper';
+import newFailedTestReports from '../mock_data/new_failures_report.json';
+import successTestReports from '../mock_data/no_failures_report.json';
+import mixedResultsTestReports from '../mock_data/new_and_fixed_failures_report.json';
+
+describe('Grouped Test Reports App', () => {
+  let vm;
+  let mock;
+  const Component = Vue.extend(component);
+
+  beforeEach(() => {
+    mock = new MockAdapter(axios);
+  });
+
+  afterEach(() => {
+    vm.$store.replaceState(state());
+    vm.$destroy();
+    mock.restore();
+  });
+
+  describe('with success result', () => {
+    beforeEach(() => {
+      mock.onGet('test_results.json').reply(200, successTestReports, {});
+      vm = mountComponent(Component, {
+        endpoint: 'test_results.json',
+      });
+    });
+
+    it('renders success summary text', done => {
+      setTimeout(() => {
+        expect(vm.$el.querySelector('.fa-spinner')).toBeNull();
+        expect(vm.$el.querySelector('.js-code-text').textContent.trim()).toEqual(
+          'Test summary contained no changed test results out of 11 total tests',
+        );
+
+        expect(vm.$el.textContent).toContain(
+          'rspec:pg found no changed test results out of 8 total tests',
+        );
+        expect(vm.$el.textContent).toContain(
+          'java ant found no changed test results out of 3 total tests',
+        );
+        done();
+      }, 0);
+    });
+  });
+
+  describe('with 204 result', () => {
+    beforeEach(() => {
+      mock.onGet('test_results.json').reply(204, {}, {});
+      vm = mountComponent(Component, {
+        endpoint: 'test_results.json',
+      });
+    });
+
+    it('renders success summary text', done => {
+      setTimeout(() => {
+        expect(vm.$el.querySelector('.fa-spinner')).not.toBeNull();
+        expect(vm.$el.querySelector('.js-code-text').textContent.trim()).toEqual(
+          'Test summary results are being parsed',
+        );
+
+        done();
+      }, 0);
+    });
+  });
+
+  describe('with new failed result', () => {
+    beforeEach(() => {
+      mock.onGet('test_results.json').reply(200, newFailedTestReports, {});
+      vm = mountComponent(Component, {
+        endpoint: 'test_results.json',
+      });
+    });
+
+    it('renders failed summary text + new badge', done => {
+      setTimeout(() => {
+        expect(vm.$el.querySelector('.fa-spinner')).toBeNull();
+        expect(vm.$el.querySelector('.js-code-text').textContent.trim()).toEqual(
+          'Test summary contained 2 failed test results out of 11 total tests',
+        );
+
+        expect(vm.$el.textContent).toContain(
+          'rspec:pg found 2 failed test results out of 8 total tests',
+        );
+        expect(vm.$el.textContent).toContain('New');
+        expect(vm.$el.textContent).toContain(
+          'java ant found no changed test results out of 3 total tests',
+        );
+        done();
+      }, 0);
+    });
+  });
+
+  describe('with mixed results', () => {
+    beforeEach(() => {
+      mock.onGet('test_results.json').reply(200, mixedResultsTestReports, {});
+      vm = mountComponent(Component, {
+        endpoint: 'test_results.json',
+      });
+    });
+
+    it('renders summary text', done => {
+      setTimeout(() => {
+        expect(vm.$el.querySelector('.fa-spinner')).toBeNull();
+        expect(vm.$el.querySelector('.js-code-text').textContent.trim()).toEqual(
+          'Test summary contained 2 failed test results and 2 fixed test results out of 11 total tests',
+        );
+
+        expect(vm.$el.textContent).toContain(
+          'rspec:pg found 1 failed test result and 2 fixed test results out of 8 total tests',
+        );
+        expect(vm.$el.textContent).toContain('New');
+        expect(vm.$el.textContent).toContain(
+          ' java ant found 1 failed test result out of 3 total tests',
+        );
+        done();
+      }, 0);
+    });
+  });
+
+  describe('with error', () => {
+    beforeEach(() => {
+      mock.onGet('test_results.json').reply(500, {}, {});
+      vm = mountComponent(Component, {
+        endpoint: 'test_results.json',
+      });
+    });
+
+    it('renders loading summary text with loading icon', done => {
+      setTimeout(() => {
+        expect(vm.$el.querySelector('.js-code-text').textContent.trim()).toEqual(
+          'Test summary failed loading results',
+        );
+        done();
+      }, 0);
+    });
+  });
+
+  describe('while loading', () => {
+    beforeEach(() => {
+      mock.onGet('test_results.json').reply(200, {}, {});
+      vm = mountComponent(Component, {
+        endpoint: 'test_results.json',
+      });
+    });
+
+    it('renders loading summary text with loading icon', done => {
+      expect(vm.$el.querySelector('.fa-spinner')).not.toBeNull();
+      expect(vm.$el.querySelector('.js-code-text').textContent.trim()).toEqual(
+        'Test summary results are being parsed',
+      );
+
+      setTimeout(() => {
+        done();
+      }, 0);
+    });
+  });
+});
diff --git a/spec/javascripts/reports/components/modal_spec.js b/spec/javascripts/reports/components/modal_spec.js
new file mode 100644
index 00000000000..3a567c40eca
--- /dev/null
+++ b/spec/javascripts/reports/components/modal_spec.js
@@ -0,0 +1,45 @@
+import Vue from 'vue';
+import component from '~/reports/components/modal.vue';
+import state from '~/reports/store/state';
+import mountComponent from '../../helpers/vue_mount_component_helper';
+import { trimText } from '../../helpers/vue_component_helper';
+
+describe('Grouped Test Reports Modal', () => {
+  const Component = Vue.extend(component);
+  const modalDataStructure = state().modal.data;
+
+  // populate data
+  modalDataStructure.execution_time.value = 0.009411;
+  modalDataStructure.system_output.value = 'Failure/Error: is_expected.to eq(3)\n\n';
+  modalDataStructure.class.value = 'link';
+
+  let vm;
+
+  beforeEach(() => {
+    vm = mountComponent(Component, {
+      title: 'Test#sum when a is 1 and b is 2 returns summary',
+      modalData: modalDataStructure,
+    });
+  });
+
+  afterEach(() => {
+    vm.$destroy();
+  });
+
+  it('renders code block', () => {
+    expect(vm.$el.querySelector('code').textContent).toEqual(modalDataStructure.system_output.value);
+  });
+
+  it('renders link', () => {
+    expect(vm.$el.querySelector('.js-modal-link').getAttribute('href')).toEqual(modalDataStructure.class.value);
+    expect(trimText(vm.$el.querySelector('.js-modal-link').textContent)).toEqual(modalDataStructure.class.value);
+  });
+
+  it('renders miliseconds', () => {
+    expect(vm.$el.textContent).toContain(`${modalDataStructure.execution_time.value} ms`);
+  });
+
+  it('render title', () => {
+    expect(trimText(vm.$el.querySelector('.modal-title').textContent)).toEqual('Test#sum when a is 1 and b is 2 returns summary');
+  });
+});
diff --git a/spec/javascripts/reports/components/test_issue_body_spec.js b/spec/javascripts/reports/components/test_issue_body_spec.js
new file mode 100644
index 00000000000..0ea81f714e7
--- /dev/null
+++ b/spec/javascripts/reports/components/test_issue_body_spec.js
@@ -0,0 +1,71 @@
+import Vue from 'vue';
+import component from '~/reports/components/test_issue_body.vue';
+import createStore from '~/reports/store';
+import { mountComponentWithStore } from '../../helpers/vue_mount_component_helper';
+import { trimText } from '../../helpers/vue_component_helper';
+import { issue } from '../mock_data/mock_data';
+
+describe('Test Issue body', () => {
+  let vm;
+  const Component = Vue.extend(component);
+  const store = createStore();
+
+  const commonProps = {
+    issue,
+    status: 'failed',
+  };
+
+  afterEach(() => {
+    vm.$destroy();
+  });
+
+  describe('on click', () => {
+    it('calls openModal action', () => {
+      vm = mountComponentWithStore(Component, {
+        store,
+        props: commonProps,
+      });
+
+      spyOn(vm, 'openModal');
+
+      vm.$el.querySelector('button').click();
+      expect(vm.openModal).toHaveBeenCalledWith({
+        issue: commonProps.issue,
+      });
+    });
+  });
+
+  describe('is new', () => {
+    beforeEach(() => {
+      vm = mountComponentWithStore(Component, {
+        store,
+        props: Object.assign({}, commonProps, { isNew: true }),
+      });
+    });
+
+    it('renders issue name', () => {
+      expect(vm.$el.textContent).toContain(commonProps.issue.name);
+    });
+
+    it('renders new badge', () => {
+      expect(trimText(vm.$el.querySelector('.badge').textContent)).toEqual('New');
+    });
+  });
+
+  describe('not new', () => {
+    beforeEach(() => {
+      vm = mountComponentWithStore(Component, {
+        store,
+        props: commonProps,
+      });
+    });
+
+    it('renders issue name', () => {
+      expect(vm.$el.textContent).toContain(commonProps.issue.name);
+    });
+
+    it('does not renders new badge', () => {
+      expect(vm.$el.querySelector('.badge')).toEqual(null);
+    });
+  });
+});
diff --git a/spec/javascripts/reports/mock_data/mock_data.js b/spec/javascripts/reports/mock_data/mock_data.js
new file mode 100644
index 00000000000..0d90253bad2
--- /dev/null
+++ b/spec/javascripts/reports/mock_data/mock_data.js
@@ -0,0 +1,8 @@
+// eslint-disable-next-line import/prefer-default-export
+export const issue = {
+  result: 'failure',
+  name: 'Test#sum when a is 1 and b is 2 returns summary',
+  execution_time: 0.009411,
+  system_output:
+    "Failure/Error: is_expected.to eq(3)\n\n  expected: 3\n       got: -1\n\n  (compared using ==)\n./spec/test_spec.rb:12:in `block (4 levels) in \u003ctop (required)\u003e'",
+};
diff --git a/spec/javascripts/reports/mock_data/new_and_fixed_failures_report.json b/spec/javascripts/reports/mock_data/new_and_fixed_failures_report.json
new file mode 100644
index 00000000000..ceaf894375a
--- /dev/null
+++ b/spec/javascripts/reports/mock_data/new_and_fixed_failures_report.json
@@ -0,0 +1 @@
+{"status":"failed","summary":{"total":11,"resolved":2,"failed":2},"suites":[{"name":"rspec:pg","status":"failed","summary":{"total":8,"resolved":2,"failed":1},"new_failures":[{"status":"failed","name":"Test#subtract when a is 2 and b is 1 returns correct result","execution_time":0.00908,"system_output":"Failure/Error: is_expected.to eq(1)\n\n  expected: 1\n       got: 3\n\n  (compared using ==)\n./spec/test_spec.rb:43:in `block (4 levels) in <top (required)>'"}],"resolved_failures":[{"status":"success","name":"Test#sum when a is 1 and b is 2 returns summary","execution_time":0.000318,"system_output":null},{"status":"success","name":"Test#sum when a is 100 and b is 200 returns summary","execution_time":0.000074,"system_output":null}],"existing_failures":[]},{"name":"java ant","status":"failed","summary":{"total":3,"resolved":0,"failed":1},"new_failures":[],"resolved_failures":[],"existing_failures":[{"status":"failed","name":"sumTest","execution_time":0.004,"system_output":"junit.framework.AssertionFailedError: expected:<3> but was:<-1>\n\tat CalculatorTest.sumTest(Unknown Source)\n\tat java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\n\tat java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\n\tat java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n"}]}]}
\ No newline at end of file
diff --git a/spec/javascripts/reports/mock_data/new_failures_report.json b/spec/javascripts/reports/mock_data/new_failures_report.json
new file mode 100644
index 00000000000..930efe16f65
--- /dev/null
+++ b/spec/javascripts/reports/mock_data/new_failures_report.json
@@ -0,0 +1 @@
+{"summary":{"total":11,"resolved":0,"failed":2},"suites":[{"name":"rspec:pg","summary":{"total":8,"resolved":0,"failed":2},"new_failures":[{"result":"failure","name":"Test#sum when a is 1 and b is 2 returns summary","execution_time":0.009411,"system_output":"Failure/Error: is_expected.to eq(3)\n\n  expected: 3\n       got: -1\n\n  (compared using ==)\n./spec/test_spec.rb:12:in `block (4 levels) in <top (required)>'"},{"result":"failure","name":"Test#sum when a is 100 and b is 200 returns summary","execution_time":0.000162,"system_output":"Failure/Error: is_expected.to eq(300)\n\n  expected: 300\n       got: -100\n\n  (compared using ==)\n./spec/test_spec.rb:21:in `block (4 levels) in <top (required)>'"}],"resolved_failures":[],"existing_failures":[]},{"name":"java ant","summary":{"total":3,"resolved":0,"failed":0},"new_failures":[],"resolved_failures":[],"existing_failures":[]}]}
\ No newline at end of file
diff --git a/spec/javascripts/reports/mock_data/no_failures_report.json b/spec/javascripts/reports/mock_data/no_failures_report.json
new file mode 100644
index 00000000000..6c0675ff7dc
--- /dev/null
+++ b/spec/javascripts/reports/mock_data/no_failures_report.json
@@ -0,0 +1 @@
+{"status":"success","summary":{"total":11,"resolved":0,"failed":0},"suites":[{"name":"rspec:pg","status":"success","summary":{"total":8,"resolved":0,"failed":0},"new_failures":[],"resolved_failures":[],"existing_failures":[]},{"name":"java ant","status":"success","summary":{"total":3,"resolved":0,"failed":0},"new_failures":[],"resolved_failures":[],"existing_failures":[]}]}
\ No newline at end of file
diff --git a/spec/javascripts/reports/store/actions_spec.js b/spec/javascripts/reports/store/actions_spec.js
index c714c5af156..41137b50847 100644
--- a/spec/javascripts/reports/store/actions_spec.js
+++ b/spec/javascripts/reports/store/actions_spec.js
@@ -8,6 +8,8 @@ import {
   clearEtagPoll,
   receiveReportsSuccess,
   receiveReportsError,
+  openModal,
+  setModalData,
 } from '~/reports/store/actions';
 import state from '~/reports/store/state';
 import * as types from '~/reports/store/mutation_types';
@@ -56,7 +58,9 @@ describe('Reports Store Actions', () => {
 
     describe('success', () => {
       it('dispatches requestReports and receiveReportsSuccess ', done => {
-        mock.onGet(`${TEST_HOST}/endpoint.json`).replyOnce(200, { summary: {}, suites: [{ name: 'rspec' }] });
+        mock
+          .onGet(`${TEST_HOST}/endpoint.json`)
+          .replyOnce(200, { summary: {}, suites: [{ name: 'rspec' }] });
 
         testAction(
           fetchReports,
@@ -68,7 +72,7 @@ describe('Reports Store Actions', () => {
               type: 'requestReports',
             },
             {
-              payload: { summary: {}, suites: [{ name: 'rspec' }] },
+              payload: { data: { summary: {}, suites: [{ name: 'rspec' }] }, status: 200 },
               type: 'receiveReportsSuccess',
             },
           ],
@@ -103,16 +107,27 @@ describe('Reports Store Actions', () => {
   });
 
   describe('receiveReportsSuccess', () => {
-    it('should commit RECEIVE_REPORTS_SUCCESS mutation', done => {
+    it('should commit RECEIVE_REPORTS_SUCCESS mutation with 200', done => {
       testAction(
         receiveReportsSuccess,
-        { summary: {} },
+        { data: { summary: {} }, status: 200 },
         mockedState,
         [{ type: types.RECEIVE_REPORTS_SUCCESS, payload: { summary: {} } }],
         [],
         done,
       );
     });
+
+    it('should not commit RECEIVE_REPORTS_SUCCESS mutation with 204', done => {
+      testAction(
+        receiveReportsSuccess,
+        { data: { summary: {} }, status: 204 },
+        mockedState,
+        [],
+        [],
+        done,
+      );
+    });
   });
 
   describe('receiveReportsError', () => {
@@ -127,4 +142,30 @@ describe('Reports Store Actions', () => {
       );
     });
   });
+
+  describe('openModal', () => {
+    it('should dispatch setModalData', done => {
+      testAction(
+        openModal,
+        { name: 'foo' },
+        mockedState,
+        [],
+        [{ type: 'setModalData', payload: { name: 'foo' } }],
+        done,
+      );
+    });
+  });
+
+  describe('setModalData', () => {
+    it('should commit SET_ISSUE_MODAL_DATA', done => {
+      testAction(
+        setModalData,
+        { name: 'foo' },
+        mockedState,
+        [{ type: types.SET_ISSUE_MODAL_DATA, payload: { name: 'foo' } }],
+        [],
+        done,
+      );
+    });
+  });
 });
diff --git a/spec/javascripts/reports/store/mutations_spec.js b/spec/javascripts/reports/store/mutations_spec.js
index 3e0b15438c3..8f99d2675a5 100644
--- a/spec/javascripts/reports/store/mutations_spec.js
+++ b/spec/javascripts/reports/store/mutations_spec.js
@@ -1,6 +1,7 @@
 import state from '~/reports/store/state';
 import mutations from '~/reports/store/mutations';
 import * as types from '~/reports/store/mutation_types';
+import { issue } from '../mock_data/mock_data';
 
 describe('Reports Store Mutations', () => {
   let stateCopy;
@@ -42,24 +43,21 @@ describe('Reports Store Mutations', () => {
             {
               name: 'StringHelper#concatenate when a is git and b is lab returns summary',
               execution_time: 0.0092435,
-              system_output:
-                'Failure/Error: is_expected.to eq(\'gitlab\')',
+              system_output: "Failure/Error: is_expected.to eq('gitlab')",
             },
           ],
           resolved_failures: [
             {
               name: 'StringHelper#concatenate when a is git and b is lab returns summary',
               execution_time: 0.009235,
-              system_output:
-                'Failure/Error: is_expected.to eq(\'gitlab\')',
+              system_output: "Failure/Error: is_expected.to eq('gitlab')",
             },
           ],
           existing_failures: [
             {
               name: 'StringHelper#concatenate when a is git and b is lab returns summary',
               execution_time: 1232.08,
-              system_output:
-                'Failure/Error: is_expected.to eq(\'gitlab\')',
+              system_output: "Failure/Error: is_expected.to eq('gitlab')",
             },
           ],
         },
@@ -89,6 +87,7 @@ describe('Reports Store Mutations', () => {
     beforeEach(() => {
       mutations[types.RECEIVE_REPORTS_ERROR](stateCopy);
     });
+
     it('should reset isLoading', () => {
       expect(stateCopy.isLoading).toEqual(false);
     });
@@ -97,5 +96,25 @@ describe('Reports Store Mutations', () => {
       expect(stateCopy.hasError).toEqual(true);
     });
 
+    it('should reset reports', () => {
+      expect(stateCopy.reports).toEqual([]);
+    });
+  });
+
+  describe('SET_ISSUE_MODAL_DATA', () => {
+    beforeEach(() => {
+      mutations[types.SET_ISSUE_MODAL_DATA](stateCopy, {
+        issue,
+      });
+    });
+
+    it('should set modal title', () => {
+      expect(stateCopy.modal.title).toEqual(issue.name);
+    });
+
+    it('should set modal data', () => {
+      expect(stateCopy.modal.data.execution_time.value).toEqual(issue.execution_time);
+      expect(stateCopy.modal.data.system_output.value).toEqual(issue.system_output);
+    });
   });
 });
diff --git a/spec/javascripts/reports/store/utils_spec.js b/spec/javascripts/reports/store/utils_spec.js
new file mode 100644
index 00000000000..1679d120db2
--- /dev/null
+++ b/spec/javascripts/reports/store/utils_spec.js
@@ -0,0 +1,138 @@
+import * as utils from '~/reports/store/utils';
+import {
+  STATUS_FAILED,
+  STATUS_SUCCESS,
+  ICON_WARNING,
+  ICON_SUCCESS,
+  ICON_NOTFOUND,
+} from '~/reports/constants';
+
+describe('Reports store utils', () => {
+  describe('summaryTextbuilder', () => {
+    it('should render text for no changed results in multiple tests', () => {
+      const name = 'Test summary';
+      const data = { total: 10 };
+      const result = utils.summaryTextBuilder(name, data);
+
+      expect(result).toBe('Test summary contained no changed test results out of 10 total tests');
+    });
+
+    it('should render text for no changed results in one test', () => {
+      const name = 'Test summary';
+      const data = { total: 1 };
+      const result = utils.summaryTextBuilder(name, data);
+
+      expect(result).toBe('Test summary contained no changed test results out of 1 total test');
+    });
+
+    it('should render text for multiple failed results', () => {
+      const name = 'Test summary';
+      const data = { failed: 3, total: 10 };
+      const result = utils.summaryTextBuilder(name, data);
+
+      expect(result).toBe('Test summary contained 3 failed test results out of 10 total tests');
+    });
+
+    it('should render text for multiple fixed results', () => {
+      const name = 'Test summary';
+      const data = { resolved: 4, total: 10 };
+      const result = utils.summaryTextBuilder(name, data);
+
+      expect(result).toBe('Test summary contained 4 fixed test results out of 10 total tests');
+    });
+
+    it('should render text for multiple fixed, and multiple failed results', () => {
+      const name = 'Test summary';
+      const data = { failed: 3, resolved: 4, total: 10 };
+      const result = utils.summaryTextBuilder(name, data);
+
+      expect(result).toBe(
+        'Test summary contained 3 failed test results and 4 fixed test results out of 10 total tests',
+      );
+    });
+
+    it('should render text for a singular fixed, and a singular failed result', () => {
+      const name = 'Test summary';
+      const data = { failed: 1, resolved: 1, total: 10 };
+      const result = utils.summaryTextBuilder(name, data);
+
+      expect(result).toBe(
+        'Test summary contained 1 failed test result and 1 fixed test result out of 10 total tests',
+      );
+    });
+  });
+
+  describe('reportTextBuilder', () => {
+    it('should render text for no changed results in multiple tests', () => {
+      const name = 'Rspec';
+      const data = { total: 10 };
+      const result = utils.reportTextBuilder(name, data);
+
+      expect(result).toBe('Rspec found no changed test results out of 10 total tests');
+    });
+
+    it('should render text for no changed results in one test', () => {
+      const name = 'Rspec';
+      const data = { total: 1 };
+      const result = utils.reportTextBuilder(name, data);
+
+      expect(result).toBe('Rspec found no changed test results out of 1 total test');
+    });
+
+    it('should render text for multiple failed results', () => {
+      const name = 'Rspec';
+      const data = { failed: 3, total: 10 };
+      const result = utils.reportTextBuilder(name, data);
+
+      expect(result).toBe('Rspec found 3 failed test results out of 10 total tests');
+    });
+
+    it('should render text for multiple fixed results', () => {
+      const name = 'Rspec';
+      const data = { resolved: 4, total: 10 };
+      const result = utils.reportTextBuilder(name, data);
+
+      expect(result).toBe('Rspec found 4 fixed test results out of 10 total tests');
+    });
+
+    it('should render text for multiple fixed, and multiple failed results', () => {
+      const name = 'Rspec';
+      const data = { failed: 3, resolved: 4, total: 10 };
+      const result = utils.reportTextBuilder(name, data);
+
+      expect(result).toBe(
+        'Rspec found 3 failed test results and 4 fixed test results out of 10 total tests',
+      );
+    });
+
+    it('should render text for a singular fixed, and a singular failed result', () => {
+      const name = 'Rspec';
+      const data = { failed: 1, resolved: 1, total: 10 };
+      const result = utils.reportTextBuilder(name, data);
+
+      expect(result).toBe(
+        'Rspec found 1 failed test result and 1 fixed test result out of 10 total tests',
+      );
+    });
+  });
+
+  describe('statusIcon', () => {
+    describe('with failed status', () => {
+      it('returns ICON_WARNING', () => {
+        expect(utils.statusIcon(STATUS_FAILED)).toEqual(ICON_WARNING);
+      });
+    });
+
+    describe('with success status', () => {
+      it('returns ICON_SUCCESS', () => {
+        expect(utils.statusIcon(STATUS_SUCCESS)).toEqual(ICON_SUCCESS);
+      });
+    });
+
+    describe('without a status', () => {
+      it('returns ICON_NOTFOUND', () => {
+        expect(utils.statusIcon()).toEqual(ICON_NOTFOUND);
+      });
+    });
+  });
+});
diff --git a/spec/javascripts/vue_shared/components/code_block_spec.js b/spec/javascripts/vue_shared/components/code_block_spec.js
new file mode 100644
index 00000000000..6b91a20ff76
--- /dev/null
+++ b/spec/javascripts/vue_shared/components/code_block_spec.js
@@ -0,0 +1,33 @@
+import Vue from 'vue';
+import component from '~/vue_shared/components/code_block.vue';
+import mountComponent from '../../helpers/vue_mount_component_helper';
+
+describe('Code Block', () => {
+  const Component = Vue.extend(component);
+  let vm;
+
+  afterEach(() => {
+    vm.$destroy();
+  });
+
+  it('renders a code block with the provided code', () => {
+    const code =
+      "Failure/Error: is_expected.to eq(3)\n\n  expected: 3\n       got: -1\n\n  (compared using ==)\n./spec/test_spec.rb:12:in `block (4 levels) in \u003ctop (required)\u003e'";
+
+    vm = mountComponent(Component, {
+      code,
+    });
+
+    expect(vm.$el.querySelector('code').textContent).toEqual(code);
+  });
+
+  it('escapes XSS injections', () => {
+    const code = 'CCC&lt;img src=x onerror=alert(document.domain)&gt;';
+
+    vm = mountComponent(Component, {
+      code,
+    });
+
+    expect(vm.$el.querySelector('code').textContent).toEqual(code);
+  });
+});