Migrate triggers settings table to Vue

So we can add more functionality to the triggers table we
would like to move the table from HAML to Vue.

As a temporary measure, this change loads the data from a JSON
string that gets added to the HTML of the page, instead of loading
the data via AJAX.

app/assets/javascripts/ci_settings_pipeline_triggers/components/triggers_list.vue

+<script>
+import { GlTable, GlButton, GlBadge, GlTooltipDirective } from '@gitlab/ui';
+import { s__ } from '~/locale';
+import ClipboardButton from '~/vue_shared/components/clipboard_button.vue';
+import TooltipOnTruncate from '~/vue_shared/components/tooltip_on_truncate.vue';
+import UserAvatarLink from '~/vue_shared/components/user_avatar/user_avatar_link.vue';
+import TimeAgoTooltip from '~/vue_shared/components/time_ago_tooltip.vue';
+
+export default {
+  components: {
+    GlTable,
+    GlButton,
+    GlBadge,
+    ClipboardButton,
+    TooltipOnTruncate,
+    UserAvatarLink,
+    TimeAgoTooltip,
+  },
+  directives: {
+    GlTooltip: GlTooltipDirective,
+  },
+  props: {
+    triggers: {
+      type: Array,
+      required: false,
+      default: () => [],
+    },
+  },
+  fields: [
+    {
+      key: 'token',
+      label: s__('Pipelines|Token'),
+    },
+    {
+      key: 'description',
+      label: s__('Pipelines|Description'),
+    },
+    {
+      key: 'owner',
+      label: s__('Pipelines|Owner'),
+    },
+    {
+      key: 'lastUsed',
+      label: s__('Pipelines|Last Used'),
+    },
+    {
+      key: 'actions',
+      label: '',
+      tdClass: 'gl-text-right gl-white-space-nowrap',
+    },
+  ],
+};
+</script>
+
+<template>
+  <div>
+    <gl-table
+      v-if="triggers.length"
+      :fields="$options.fields"
+      :items="triggers"
+      class="triggers-list"
+      responsive
+    >
+      <template #cell(token)="{item}">
+        {{ item.token }}
+        <clipboard-button
+          v-if="item.hasTokenExposed"
+          :text="item.token"
+          data-testid="clipboard-btn"
+          data-qa-selector="clipboard_button"
+          :title="s__('Pipelines|Copy trigger token')"
+          css-class="gl-border-none gl-py-0 gl-px-2"
+        />
+        <div class="label-container">
+          <gl-badge v-if="!item.canAccessProject" variant="danger">
+            <span
+              v-gl-tooltip.viewport
+              boundary="viewport"
+              :title="s__('Pipelines|Trigger user has insufficient permissions to project')"
+              >{{ s__('Pipelines|invalid') }}</span
+            >
+          </gl-badge>
+        </div>
+      </template>
+      <template #cell(description)="{item}">
+        <tooltip-on-truncate
+          :title="item.description"
+          truncate-target="child"
+          placement="top"
+          class="trigger-description gl-display-flex"
+        >
+          <div class="gl-flex-fill-1 gl-text-truncate">{{ item.description }}</div>
+        </tooltip-on-truncate>
+      </template>
+      <template #cell(owner)="{item}">
+        <span class="trigger-owner sr-only">{{ item.owner.name }}</span>
+        <user-avatar-link
+          v-if="item.owner"
+          :link-href="item.owner.path"
+          :img-src="item.owner.avatarUrl"
+          :tooltip-text="item.owner.name"
+          :img-alt="item.owner.name"
+        />
+      </template>
+      <template #cell(lastUsed)="{item}">
+        <time-ago-tooltip v-if="item.lastUsed" :time="item.lastUsed" />
+        <span v-else>{{ __('Never') }}</span>
+      </template>
+      <template #cell(actions)="{item}">
+        <gl-button
+          :title="s__('Pipelines|Edit')"
+          icon="pencil"
+          data-testid="edit-btn"
+          :href="item.editProjectTriggerPath"
+        />
+        <gl-button
+          :title="s__('Pipelines|Revoke')"
+          icon="remove"
+          variant="warning"
+          :data-confirm="
+            s__(
+              'Pipelines|By revoking a trigger you will break any processes making use of it. Are you sure?',
+            )
+          "
+          data-method="delete"
+          rel="nofollow"
+          class="gl-ml-3"
+          data-testid="trigger_revoke_button"
+          data-qa-selector="trigger_revoke_button"
+          :href="item.projectTriggerPath"
+        />
+      </template>
+    </gl-table>
+    <div
+      v-else
+      data-testid="no_triggers_content"
+      data-qa-selector="no_triggers_content"
+      class="settings-message gl-text-center gl-mb-3"
+    >
+      {{ s__('Pipelines|No triggers have been created yet. Add one using the form above.') }}
+    </div>
+  </div>
+</template>

app/assets/javascripts/ci_settings_pipeline_triggers/index.js

+import Vue from 'vue';
+import TriggersList from './components/triggers_list.vue';
+import { convertObjectPropsToCamelCase } from '~/lib/utils/common_utils';
+
+const parseJsonArray = triggers => {
+  try {
+    return convertObjectPropsToCamelCase(JSON.parse(triggers), { deep: true });
+  } catch {
+    return [];
+  }
+};
+
+export default (containerId = 'js-ci-pipeline-triggers-list') => {
+  const containerEl = document.getElementById(containerId);
+
+  // Note: Remove this check when FF `ci_pipeline_triggers_settings_vue_ui` is removed.
+  if (!containerEl) {
+    return null;
+  }
+
+  const triggers = parseJsonArray(containerEl.dataset.triggers);
+
+  return new Vue({
+    el: containerEl,
+    components: {
+      TriggersList,
+    },
+    render(h) {
+      return h(TriggersList, {
+        props: {
+          triggers,
+        },
+      });
+    },
+  });
+};

app/assets/javascripts/pages/projects/settings/ci_cd/show/index.js

@@ -4,6 +4,7 @@ import AjaxVariableList from '~/ci_variable_list/ajax_variable_list';
 import registrySettingsApp from '~/registry/settings/registry_settings_bundle';
 import initVariableList from '~/ci_variable_list';
 import initDeployFreeze from '~/deploy_freeze';
+import initSettingsPipelinesTriggers from '~/ci_settings_pipeline_triggers';
 
 document.addEventListener('DOMContentLoaded', () => {
   // Initialize expandable settings panels
@@ -42,4 +43,6 @@ document.addEventListener('DOMContentLoaded', () => {
 
   registrySettingsApp();
   initDeployFreeze();
+
+  initSettingsPipelinesTriggers();
 });

app/assets/stylesheets/pages/settings_ci_cd.scss

@@ -5,6 +5,10 @@
   }
 }
 
+.trigger-description {
+  max-width: 100px;
+}
+
 .trigger-actions {
   white-space: nowrap;
 

app/controllers/projects/settings/ci_cd_controller.rb

@@ -12,6 +12,11 @@ module Projects
       end
 
       def show
+        if Feature.enabled?(:ci_pipeline_triggers_settings_vue_ui, @project)
+          @triggers_json = ::Ci::TriggerSerializer.new.represent(
+            @project.triggers, current_user: current_user, project: @project
+          ).to_json
+        end
       end
 
       def update
@@ -116,6 +121,7 @@ module Projects
       def define_triggers_variables
         @triggers = @project.triggers
           .present(current_user: current_user)
+
         @trigger = ::Ci::Trigger.new
           .present(current_user: current_user)
       end

app/serializers/ci/trigger_entity.rb

+# frozen_string_literal: true
+
+module Ci
+  class TriggerEntity < Grape::Entity
+    include Gitlab::Routing
+    include Gitlab::Allowable
+
+    expose :description
+    expose :owner, using: UserEntity
+    expose :last_used
+
+    expose :token do |trigger|
+      can_admin_trigger?(trigger) ? trigger.token : trigger.short_token
+    end
+
+    expose :has_token_exposed do |trigger|
+      can_admin_trigger?(trigger)
+    end
+
+    expose :can_access_project do |trigger|
+      trigger.can_access_project?
+    end
+
+    expose :project_trigger_path, if: -> (trigger) { can_manage_trigger?(trigger) } do |trigger|
+      project_trigger_path(options[:project], trigger)
+    end
+
+    expose :edit_project_trigger_path, if: -> (trigger) { can_admin_trigger?(trigger) } do |trigger|
+      edit_project_trigger_path(options[:project], trigger)
+    end
+
+    private
+
+    def can_manage_trigger?(trigger)
+      can?(options[:current_user], :manage_trigger, trigger)
+    end
+
+    def can_admin_trigger?(trigger)
+      can?(options[:current_user], :admin_trigger, trigger)
+    end
+  end
+end

app/serializers/ci/trigger_serializer.rb

+# frozen_string_literal: true
+
+module Ci
+  class TriggerSerializer < BaseSerializer
+    entity ::Ci::TriggerEntity
+  end
+end

app/views/projects/triggers/_index.html.haml

@@ -6,23 +6,26 @@
       .card-body
         = render "projects/triggers/form", btn_text: "Add trigger"
         %hr
-        - if @triggers.any?
-          .table-responsive.triggers-list
-            %table.table
-              %thead
-                %th
-                  %strong Token
-                %th
-                  %strong Description
-                %th
-                  %strong Owner
-                %th
-                  %strong Last used
-                %th
-              = render partial: 'projects/triggers/trigger', collection: @triggers, as: :trigger
+        - if Feature.enabled?(:ci_pipeline_triggers_settings_vue_ui, @project)
+          #js-ci-pipeline-triggers-list.triggers-list{ data: { triggers: @triggers_json } }
         - else
-          %p.settings-message.text-center.gl-mb-3
-            No triggers have been created yet. Add one using the form above.
+          - if @triggers.any?
+            .table-responsive.triggers-list
+              %table.table
+                %thead
+                  %th
+                    %strong Token
+                  %th
+                    %strong Description
+                  %th
+                    %strong Owner
+                  %th
+                    %strong Last used
+                  %th
+                = render partial: 'projects/triggers/trigger', collection: @triggers, as: :trigger
+          - else
+            %p.settings-message.text-center.gl-mb-3{ data: { testid: 'no_triggers_content' } }
+              No triggers have been created yet. Add one using the form above.
 
       .card-footer
 

app/views/projects/triggers/_trigger.html.haml

@@ -2,7 +2,7 @@
   %td
     - if trigger.has_token_exposed?
       %span= trigger.token
-      = clipboard_button(text: trigger.token, title: _("Copy trigger token"))
+      = clipboard_button(text: trigger.token, title: _("Copy trigger token"), testid: 'clipboard-btn')
     - else
       %span= trigger.short_token
 
@@ -33,5 +33,5 @@
       = link_to edit_project_trigger_path(@project, trigger), method: :get, title: "Edit", class: "btn btn-default btn-sm" do
         = sprite_icon('pencil')
     - if can?(current_user, :manage_trigger, trigger)
-      = link_to project_trigger_path(@project, trigger), data: { confirm: revoke_trigger_confirmation }, method: :delete, title: "Revoke", class: "btn btn-default btn-warning btn-sm btn-trigger-revoke" do
+      = link_to project_trigger_path(@project, trigger), data: { confirm: revoke_trigger_confirmation, testid: 'trigger_revoke_button' }, method: :delete, title: "Revoke", class: "btn btn-default btn-warning btn-sm btn-trigger-revoke" do
         = sprite_icon('remove')

config/feature_flags/development/ci_pipeline_triggers_settings_vue_ui.yml

+---
+name: ci_pipeline_triggers_settings_vue_ui
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/41864
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/247486
+group: group::continuous integration
+type: development
+default_enabled: false

locale/gitlab.pot

@@ -18627,6 +18627,9 @@ msgstr ""
 msgid "Pipelines|Build with confidence"
 msgstr ""
 
+msgid "Pipelines|By revoking a trigger you will break any processes making use of it. Are you sure?"
+msgstr ""
+
 msgid "Pipelines|CI Lint"
 msgstr ""
 
@@ -18639,6 +18642,15 @@ msgstr ""
 msgid "Pipelines|Continuous Integration can help catch bugs by running your tests automatically, while Continuous Deployment can help you deliver code to your product environment."
 msgstr ""
 
+msgid "Pipelines|Copy trigger token"
+msgstr ""
+
+msgid "Pipelines|Description"
+msgstr ""
+
+msgid "Pipelines|Edit"
+msgstr ""
+
 msgid "Pipelines|Get started with Pipelines"
 msgstr ""
 
@@ -18654,15 +18666,27 @@ msgstr ""
 msgid "Pipelines|It is recommended the code is reviewed thoroughly before running this pipeline with the parent project's CI resource."
 msgstr ""
 
+msgid "Pipelines|Last Used"
+msgstr ""
+
 msgid "Pipelines|Loading Pipelines"
 msgstr ""
 
 msgid "Pipelines|More Information"
 msgstr ""
 
+msgid "Pipelines|No triggers have been created yet. Add one using the form above."
+msgstr ""
+
+msgid "Pipelines|Owner"
+msgstr ""
+
 msgid "Pipelines|Project cache successfully reset."
 msgstr ""
 
+msgid "Pipelines|Revoke"
+msgstr ""
+
 msgid "Pipelines|Run Pipeline"
 msgstr ""
 
@@ -18687,6 +18711,15 @@ msgstr ""
 msgid "Pipelines|This project is not currently set up to run pipelines."
 msgstr ""
 
+msgid "Pipelines|Token"
+msgstr ""
+
+msgid "Pipelines|Trigger user has insufficient permissions to project"
+msgstr ""
+
+msgid "Pipelines|invalid"
+msgstr ""
+
 msgid "Pipelines|parent"
 msgstr ""
 

spec/features/triggers_spec.rb

@@ -19,114 +19,132 @@ RSpec.describe 'Triggers', :js do
     visit project_settings_ci_cd_path(@project)
   end
 
-  describe 'create trigger workflow' do
-    it 'prevents adding new trigger with no description' do
-      fill_in 'trigger_description', with: ''
-      click_button 'Add trigger'
-
-      # See if input has error due to empty value
-      expect(page.find('form.gl-show-field-errors .gl-field-error')).to be_visible
-    end
+  shared_examples 'triggers page' do
+    describe 'create trigger workflow' do
+      it 'prevents adding new trigger with no description' do
+        fill_in 'trigger_description', with: ''
+        click_button 'Add trigger'
+
+        # See if input has error due to empty value
+        expect(page.find('form.gl-show-field-errors .gl-field-error')).to be_visible
+      end
 
-    it 'adds new trigger with description' do
-      fill_in 'trigger_description', with: 'trigger desc'
-      click_button 'Add trigger'
+      it 'adds new trigger with description' do
+        fill_in 'trigger_description', with: 'trigger desc'
+        click_button 'Add trigger'
 
-      # See if "trigger creation successful" message displayed and description and owner are correct
-      expect(page.find('.flash-notice')).to have_content 'Trigger was created successfully.'
-      expect(page.find('.triggers-list')).to have_content 'trigger desc'
-      expect(page.find('.triggers-list .trigger-owner')).to have_content user.name
+        aggregate_failures 'display creation notice and trigger is created' do
+          expect(page.find('.flash-notice')).to have_content 'Trigger was created successfully.'
+          expect(page.find('.triggers-list')).to have_content 'trigger desc'
+          expect(page.find('.triggers-list .trigger-owner')).to have_content user.name
+        end
+      end
     end
-  end
-
-  describe 'edit trigger workflow' do
-    let(:new_trigger_title) { 'new trigger' }
 
-    it 'click on edit trigger opens edit trigger page' do
-      create(:ci_trigger, owner: user, project: @project, description: trigger_title)
-      visit project_settings_ci_cd_path(@project)
+    describe 'edit trigger workflow' do
+      let(:new_trigger_title) { 'new trigger' }
 
-      # See if edit page has correct descrption
-      find('a[title="Edit"]').send_keys(:return)
-      expect(page.find('#trigger_description').value).to have_content 'trigger desc'
-    end
+      it 'click on edit trigger opens edit trigger page' do
+        create(:ci_trigger, owner: user, project: @project, description: trigger_title)
+        visit project_settings_ci_cd_path(@project)
 
-    it 'edit trigger and save' do
-      create(:ci_trigger, owner: user, project: @project, description: trigger_title)
-      visit project_settings_ci_cd_path(@project)
+        # See if edit page has correct descrption
+        find('a[title="Edit"]').send_keys(:return)
+        expect(page.find('#trigger_description').value).to have_content 'trigger desc'
+      end
 
-      # See if edit page opens, then fill in new description and save
-      find('a[title="Edit"]').send_keys(:return)
-      fill_in 'trigger_description', with: new_trigger_title
-      click_button 'Save trigger'
+      it 'edit trigger and save' do
+        create(:ci_trigger, owner: user, project: @project, description: trigger_title)
+        visit project_settings_ci_cd_path(@project)
 
-      # See if "trigger updated successfully" message displayed and description and owner are correct
-      expect(page.find('.flash-notice')).to have_content 'Trigger was successfully updated.'
-      expect(page.find('.triggers-list')).to have_content new_trigger_title
-      expect(page.find('.triggers-list .trigger-owner')).to have_content user.name
-    end
-  end
+        # See if edit page opens, then fill in new description and save
+        find('a[title="Edit"]').send_keys(:return)
+        fill_in 'trigger_description', with: new_trigger_title
+        click_button 'Save trigger'
 
-  describe 'trigger "Revoke" workflow' do
-    before do
-      create(:ci_trigger, owner: user2, project: @project, description: trigger_title)
-      visit project_settings_ci_cd_path(@project)
+        aggregate_failures 'display update notice and trigger is updated' do
+          expect(page.find('.flash-notice')).to have_content 'Trigger was successfully updated.'
+          expect(page.find('.triggers-list')).to have_content new_trigger_title
+          expect(page.find('.triggers-list .trigger-owner')).to have_content user.name
+        end
+      end
     end
 
-    it 'button "Revoke" has correct alert' do
-      expected_alert = 'By revoking a trigger you will break any processes making use of it. Are you sure?'
-      expect(page.find('a.btn-trigger-revoke')['data-confirm']).to eq expected_alert
-    end
+    describe 'trigger "Revoke" workflow' do
+      before do
+        create(:ci_trigger, owner: user2, project: @project, description: trigger_title)
+        visit project_settings_ci_cd_path(@project)
+      end
 
-    it 'revoke trigger' do
-      # See if "Revoke" on trigger works post trigger creation
-      page.accept_confirm do
-        find('a.btn-trigger-revoke').send_keys(:return)
+      it 'button "Revoke" has correct alert' do
+        expected_alert = 'By revoking a trigger you will break any processes making use of it. Are you sure?'
+        expect(page.find('[data-testid="trigger_revoke_button"]')['data-confirm']).to eq expected_alert
       end
 
-      expect(page.find('.flash-notice')).to have_content 'Trigger removed'
-      expect(page).to have_selector('p.settings-message.text-center.gl-mb-3')
-    end
-  end
+      it 'revoke trigger' do
+        # See if "Revoke" on trigger works post trigger creation
+        page.accept_confirm do
+          find('[data-testid="trigger_revoke_button"]').send_keys(:return)
+        end
 
-  describe 'show triggers workflow' do
-    it 'contains trigger description placeholder' do
-      expect(page.find('#trigger_description')['placeholder']).to eq 'Trigger description'
+        aggregate_failures 'trigger is removed' do
+          expect(page.find('.flash-notice')).to have_content 'Trigger removed'
+          expect(page).to have_css('[data-testid="no_triggers_content"]')
+        end
+      end
     end
 
-    it 'show "invalid" badge for trigger with owner having insufficient permissions' do
-      create(:ci_trigger, owner: guest_user, project: @project, description: trigger_title)
-      visit project_settings_ci_cd_path(@project)
+    describe 'show triggers workflow' do
+      it 'contains trigger description placeholder' do
+        expect(page.find('#trigger_description')['placeholder']).to eq 'Trigger description'
+      end
 
-      expect(page.find('.triggers-list')).to have_content 'invalid'
-      expect(page.find('.triggers-list')).not_to have_selector('a[title="Edit"]')
-    end
+      it 'show "invalid" badge for trigger with owner having insufficient permissions' do
+        create(:ci_trigger, owner: guest_user, project: @project, description: trigger_title)
+        visit project_settings_ci_cd_path(@project)
+
+        aggregate_failures 'has invalid badge and no edit link' do
+          expect(page.find('.triggers-list')).to have_content 'invalid'
+          expect(page.find('.triggers-list')).not_to have_selector('a[title="Edit"]')
+        end
+      end
 
-    it 'do not show "Edit" or full token for not owned trigger' do
-      # Create trigger with user different from current_user
-      create(:ci_trigger, owner: user2, project: @project, description: trigger_title)
-      visit project_settings_ci_cd_path(@project)
+      it 'do not show "Edit" or full token for not owned trigger' do
+        # Create trigger with user different from current_user
+        create(:ci_trigger, owner: user2, project: @project, description: trigger_title)
+        visit project_settings_ci_cd_path(@project)
+
+        aggregate_failures 'shows truncated token, no clipboard button and no edit link' do
+          expect(page.find('.triggers-list')).to have_content(@project.triggers.first.token[0..3])
+          expect(page.find('.triggers-list')).not_to have_selector('[data-testid="clipboard-btn"]')
+          expect(page.find('.triggers-list .trigger-owner')).not_to have_content user.name
+          expect(page.find('.triggers-list')).not_to have_selector('a[title="Edit"]')
+        end
+      end
 
-      # See if trigger not owned by current_user shows only first few token chars and doesn't have copy-to-clipboard button
-      expect(page.find('.triggers-list')).to have_content(@project.triggers.first.token[0..3])
-      expect(page.find('.triggers-list')).not_to have_selector('button.btn-clipboard')
+      it 'show "Edit" and full token for owned trigger' do
+        create(:ci_trigger, owner: user, project: @project, description: trigger_title)
+        visit project_settings_ci_cd_path(@project)
 
-      # See if trigger owner name doesn't match with current_user and trigger is non-editable
-      expect(page.find('.triggers-list .trigger-owner')).not_to have_content user.name
-      expect(page.find('.triggers-list')).not_to have_selector('a[title="Edit"]')
+        aggregate_failures 'shows full token, clipboard button and edit link' do
+          expect(page.find('.triggers-list')).to have_content @project.triggers.first.token
+          expect(page.find('.triggers-list')).to have_selector('[data-testid="clipboard-btn"]')
+          expect(page.find('.triggers-list .trigger-owner')).to have_content user.name
+          expect(page.find('.triggers-list')).to have_selector('a[title="Edit"]')
+        end
+      end
     end
+  end
 
-    it 'show "Edit" and full token for owned trigger' do
-      create(:ci_trigger, owner: user, project: @project, description: trigger_title)
-      visit project_settings_ci_cd_path(@project)
-
-      # See if trigger shows full token and has copy-to-clipboard button
-      expect(page.find('.triggers-list')).to have_content @project.triggers.first.token
-      expect(page.find('.triggers-list')).to have_selector('button.btn-clipboard')
+  context 'when ci_pipeline_triggers_settings_vue_ui is enabled' do
+    it_behaves_like 'triggers page'
+  end
 
-      # See if trigger owner name matches with current_user and is editable
-      expect(page.find('.triggers-list .trigger-owner')).to have_content user.name
-      expect(page.find('.triggers-list')).to have_selector('a[title="Edit"]')
+  context 'when ci_pipeline_triggers_settings_vue_ui is disabled' do
+    before do
+      stub_feature_flags(ci_pipeline_triggers_settings_vue_ui: false)
     end
+
+    it_behaves_like 'triggers page'
   end
 end

spec/fixtures/api/schemas/entities/trigger.json

+{
+  "type": "object",
+  "required": [
+    "description",
+    "owner",
+    "last_used",
+    "has_token_exposed",
+    "token",
+    "can_access_project"
+  ],
+  "properties": {
+    "description": {
+      "type": ["string", "null"]
+    },
+    "owner": {
+      "type": "object",
+      "$ref": "user.json"
+    },
+    "last_used": {
+      "type": ["datetime", "null"]
+    },
+    "token": {
+      "type": "string"
+    },
+    "has_token_exposed": {
+      "type": "boolean"
+    },
+    "can_access_project": {
+      "type": "boolean"
+    },
+    "edit_project_trigger_path": {
+      "type": "string"
+    },
+    "project_trigger_path": {
+      "type": "string"
+    }
+  },
+  "additionalProperties": false
+}

spec/frontend/ci_settings_pipeline_triggers/components/triggers_list_spec.js

+import { mount } from '@vue/test-utils';
+import { GlTable, GlBadge } from '@gitlab/ui';
+import ClipboardButton from '~/vue_shared/components/clipboard_button.vue';
+import TimeAgoTooltip from '~/vue_shared/components/time_ago_tooltip.vue';
+
+import TriggersList from '~/ci_settings_pipeline_triggers/components/triggers_list.vue';
+import { triggers } from '../mock_data';
+
+describe('TriggersList', () => {
+  let wrapper;
+
+  const createComponent = (props = {}) => {
+    wrapper = mount(TriggersList, {
+      propsData: { triggers, ...props },
+    });
+  };
+
+  const findTable = () => wrapper.find(GlTable);
+  const findHeaderAt = i => wrapper.findAll('thead th').at(i);
+  const findRows = () => wrapper.findAll('tbody tr');
+  const findRowAt = i => findRows().at(i);
+  const findCell = (i, col) =>
+    findRowAt(i)
+      .findAll('td')
+      .at(col);
+  const findClipboardBtn = i => findCell(i, 0).find(ClipboardButton);
+  const findInvalidBadge = i => findCell(i, 0).find(GlBadge);
+  const findEditBtn = i => findRowAt(i).find('[data-testid="edit-btn"]');
+  const findRevokeBtn = i => findRowAt(i).find('[data-testid="trigger_revoke_button"]');
+
+  beforeEach(() => {
+    createComponent();
+
+    return wrapper.vm.$nextTick();
+  });
+
+  it('displays a table with expected headers', () => {
+    const headers = ['Token', 'Description', 'Owner', 'Last Used', ''];
+    headers.forEach((header, i) => {
+      expect(findHeaderAt(i).text()).toBe(header);
+    });
+  });
+
+  it('displays a table with rows', () => {
+    expect(findRows()).toHaveLength(triggers.length);
+
+    const [trigger] = triggers;
+
+    expect(findCell(0, 0).text()).toBe(trigger.token);
+    expect(findCell(0, 1).text()).toBe(trigger.description);
+    expect(findCell(0, 2).text()).toContain(trigger.owner.name);
+  });
+
+  it('displays a "copy to cliboard" button for exposed tokens', () => {
+    expect(findClipboardBtn(0).exists()).toBe(true);
+    expect(findClipboardBtn(0).props('text')).toBe(triggers[0].token);
+
+    expect(findClipboardBtn(1).exists()).toBe(false);
+  });
+
+  it('displays an "invalid" label for tokens without access', () => {
+    expect(findInvalidBadge(0).exists()).toBe(false);
+
+    expect(findInvalidBadge(1).exists()).toBe(true);
+  });
+
+  it('displays a time ago label when last used', () => {
+    expect(findCell(0, 3).text()).toBe('Never');
+
+    expect(
+      findCell(1, 3)
+        .find(TimeAgoTooltip)
+        .props('time'),
+    ).toBe(triggers[1].lastUsed);
+  });
+
+  it('displays actions in a rows', () => {
+    const [data] = triggers;
+
+    expect(findEditBtn(0).attributes('href')).toBe(data.editProjectTriggerPath);
+
+    expect(findRevokeBtn(0).attributes('href')).toBe(data.projectTriggerPath);
+    expect(findRevokeBtn(0).attributes('data-method')).toBe('delete');
+    expect(findRevokeBtn(0).attributes('data-confirm')).toBeTruthy();
+  });
+
+  describe('when there are no triggers set', () => {
+    beforeEach(() => {
+      createComponent({ triggers: [] });
+    });
+
+    it('does not display a table', () => {
+      expect(findTable().exists()).toBe(false);
+    });
+
+    it('displays a message', () => {
+      expect(wrapper.text()).toBe(
+        'No triggers have been created yet. Add one using the form above.',
+      );
+    });
+  });
+});

spec/frontend/ci_settings_pipeline_triggers/mock_data.js

+export const triggers = [
+  {
+    hasTokenExposed: true,
+    token: '0000',
+    description: 'My trigger',
+    owner: {
+      name: 'My User',
+      username: 'user1',
+      path: '/user1',
+    },
+    lastUsed: null,
+    canAccessProject: true,
+    editProjectTriggerPath: '/triggers/1/edit',
+    projectTriggerPath: '/trigger/1',
+  },
+  {
+    hasTokenExposed: false,
+    token: '1111',
+    description: "Anothe user's trigger",
+    owner: {
+      name: 'Someone else',
+      username: 'user2',
+      path: '/user2',
+    },
+    lastUsed: '2020-09-10T08:26:47.410Z',
+    canAccessProject: false,
+    editProjectTriggerPath: '/triggers/1/edit',
+    projectTriggerPath: '/trigger/1',
+  },
+];

spec/serializers/ci/trigger_entity_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Ci::TriggerEntity do
+  let(:project) { create(:project) }
+  let(:trigger) { create(:ci_trigger, project: project, token: '237f3604900a4cd71ed06ef13e57b96d') }
+  let(:user) { create(:user) }
+  let(:entity) { described_class.new(trigger, current_user: user, project: project) }
+
+  describe '#as_json' do
+    let(:as_json) { entity.as_json }
+    let(:project_trigger_path) { "/#{project.full_path}/-/triggers/#{trigger.id}" }
+
+    it 'contains required fields' do
+      expect(as_json).to include(
+        :description, :owner, :last_used, :token, :has_token_exposed, :can_access_project
+      )
+    end
+
+    it 'contains user fields' do
+      expect(as_json[:owner].to_json).to match_schema('entities/user')
+    end
+
+    context 'when current user can manage triggers' do
+      before do
+        project.add_maintainer(user)
+      end
+
+      it 'returns short_token as token' do
+        expect(as_json[:token]).to eq(trigger.short_token)
+      end
+
+      it 'contains project_trigger_path' do
+        expect(as_json[:project_trigger_path]).to eq(project_trigger_path)
+      end
+
+      it 'does not contain edit_project_trigger_path' do
+        expect(as_json).not_to include(:edit_project_trigger_path)
+      end
+
+      it 'returns has_token_exposed' do
+        expect(as_json[:has_token_exposed]).to eq(false)
+      end
+    end
+
+    context 'when current user is the owner of the trigger' do
+      before do
+        project.add_maintainer(user)
+        trigger.update!(owner: user)
+      end
+
+      it 'returns token as token' do
+        expect(as_json[:token]).to eq(trigger.token)
+      end
+
+      it 'contains project_trigger_path' do
+        expect(as_json[:project_trigger_path]).to eq(project_trigger_path)
+      end
+
+      it 'contains edit_project_trigger_path' do
+        expect(as_json[:edit_project_trigger_path]).to eq("#{project_trigger_path}/edit")
+      end
+
+      it 'returns has_token_exposed' do
+        expect(as_json[:has_token_exposed]).to eq(true)
+      end
+    end
+  end
+end

spec/serializers/ci/trigger_serializer_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Ci::TriggerSerializer do
+  describe '#represent' do
+    let(:represent) { described_class.new.represent(trigger) }
+
+    let(:trigger) { build(:ci_trigger) }
+
+    it 'matches schema' do
+      expect(represent.to_json).to match_schema('entities/trigger')
+    end
+  end
+end