1 files changed, 97 insertions, 0 deletions
diff --git a/spec/frontend/alerts_settings/alert_mapping_builder_spec.js b/spec/frontend/alerts_settings/alert_mapping_builder_spec.js
new file mode 100644
index 00000000000..12536c27dfe
--- /dev/null
+++ b/spec/frontend/alerts_settings/alert_mapping_builder_spec.js
@@ -0,0 +1,97 @@
+import { GlIcon, GlFormInput, GlDropdown, GlSearchBoxByType, GlDropdownItem } from '@gitlab/ui';
+import { shallowMount } from '@vue/test-utils';
+import AlertMappingBuilder, { i18n } from '~/alerts_settings/components/alert_mapping_builder.vue';
+import gitlabFields from '~/alerts_settings/components/mocks/gitlabFields.json';
+import parsedMapping from '~/alerts_settings/components/mocks/parsedMapping.json';
+
+describe('AlertMappingBuilder', () => {
+  let wrapper;
+
+  function mountComponent() {
+    wrapper = shallowMount(AlertMappingBuilder, {
+      propsData: {
+        payloadFields: parsedMapping.samplePayload.payloadAlerFields.nodes,
+        mapping: parsedMapping.storedMapping.nodes,
+      },
+    });
+  }
+
+  afterEach(() => {
+    if (wrapper) {
+      wrapper.destroy();
+      wrapper = null;
+    }
+  });
+
+  beforeEach(() => {
+    mountComponent();
+  });
+
+  const findColumnInRow = (row, column) =>
+    wrapper
+      .findAll('.gl-display-table-row')
+      .at(row)
+      .findAll('.gl-display-table-cell ')
+      .at(column);
+
+  it('renders column captions', () => {
+    expect(findColumnInRow(0, 0).text()).toContain(i18n.columns.gitlabKeyTitle);
+    expect(findColumnInRow(0, 2).text()).toContain(i18n.columns.payloadKeyTitle);
+    expect(findColumnInRow(0, 3).text()).toContain(i18n.columns.fallbackKeyTitle);
+
+    const fallbackColumnIcon = findColumnInRow(0, 3).find(GlIcon);
+    expect(fallbackColumnIcon.exists()).toBe(true);
+    expect(fallbackColumnIcon.attributes('name')).toBe('question');
+    expect(fallbackColumnIcon.attributes('title')).toBe(i18n.fallbackTooltip);
+  });
+
+  it('renders disabled form input for each mapped field', () => {
+    gitlabFields.forEach((field, index) => {
+      const input = findColumnInRow(index + 1, 0).find(GlFormInput);
+      expect(input.attributes('value')).toBe(`${field.label} (${field.type.join(' or ')})`);
+      expect(input.attributes('disabled')).toBe('');
+    });
+  });
+
+  it('renders right arrow next to each input', () => {
+    gitlabFields.forEach((field, index) => {
+      const arrow = findColumnInRow(index + 1, 1).find('.right-arrow');
+      expect(arrow.exists()).toBe(true);
+    });
+  });
+
+  it('renders mapping dropdown for each field', () => {
+    gitlabFields.forEach(({ compatibleTypes }, index) => {
+      const dropdown = findColumnInRow(index + 1, 2).find(GlDropdown);
+      const searchBox = dropdown.find(GlSearchBoxByType);
+      const dropdownItems = dropdown.findAll(GlDropdownItem);
+      const { nodes } = parsedMapping.samplePayload.payloadAlerFields;
+      const numberOfMappingOptions = nodes.filter(({ type }) =>
+        type.some(t => compatibleTypes.includes(t)),
+      );
+
+      expect(dropdown.exists()).toBe(true);
+      expect(searchBox.exists()).toBe(true);
+      expect(dropdownItems).toHaveLength(numberOfMappingOptions.length);
+    });
+  });
+
+  it('renders fallback dropdown only for the fields that have fallback', () => {
+    gitlabFields.forEach(({ compatibleTypes, numberOfFallbacks }, index) => {
+      const dropdown = findColumnInRow(index + 1, 3).find(GlDropdown);
+      expect(dropdown.exists()).toBe(Boolean(numberOfFallbacks));
+
+      if (numberOfFallbacks) {
+        const searchBox = dropdown.find(GlSearchBoxByType);
+        const dropdownItems = dropdown.findAll(GlDropdownItem);
+        const { nodes } = parsedMapping.samplePayload.payloadAlerFields;
+        const numberOfMappingOptions = nodes.filter(({ type }) =>
+          type.some(t => compatibleTypes.includes(t)),
+        );
+
+        expect(searchBox.exists()).toBe(Boolean(numberOfFallbacks));
+        expect(dropdownItems).toHaveLength(numberOfMappingOptions.length);
+      }
+    });
+  });
+});