Add some tests

test/time-picker-card.test.ts

@@ -0,0 +1,111 @@
+import { expect, fixture, html } from '@open-wc/testing';
+import { HomeAssistant } from 'custom-card-helpers';
+import { HassEntity } from 'home-assistant-js-websocket';
+import '../src/time-picker-card';
+import { TimePickerCard } from '../src/time-picker-card';
+import { TimePickerCardConfig, HourMode } from '../src/types';
+import './test-error-card';
+
+async function render(config?: {
+  entityId?: string;
+  friendlyName?: string;
+  hasTime?: boolean;
+  hourMode?: HourMode;
+  hideName?: boolean;
+}): Promise<TimePickerCard> {
+  const { entityId, friendlyName, hasTime, hourMode, hideName } = Object.assign(
+    {
+      entityId: 'input_datetime.wake_time',
+      friendlyName: 'Wake Time',
+      hasTime: true,
+      hideName: false,
+    },
+    config
+  );
+
+  const testEntity: HassEntity = {
+    entity_id: entityId,
+    attributes: {
+      friendly_name: friendlyName,
+      has_time: hasTime,
+    },
+    state: '00:10:00',
+    last_changed: '',
+    last_updated: '',
+    context: {
+      id: entityId,
+      user_id: null,
+    },
+  };
+
+  const hass: Partial<HomeAssistant> = {
+    states: {
+      [entityId]: testEntity,
+    },
+  };
+
+  const testConfig: TimePickerCardConfig = {
+    type: 'custom:time-picker-card',
+    entity: entityId,
+    hour_mode: hourMode,
+    hide: {
+      name: hideName,
+    },
+  };
+
+  const card = await fixture<TimePickerCard>(
+    html`<time-picker-card .hass=${hass} .config=${testConfig}></time-picker-card>`
+  );
+
+  card.setConfig(testConfig);
+
+  return card;
+}
+
+function errorCard(): string {
+  return html`<hui-error-card></hui-error-card>`.getHTML();
+}
+
+describe('test', () => {
+  it('renders', async () => {
+    const card = await render();
+    expect(card).shadowDom.to.match('time-picker-card');
+  });
+
+  it('errors if entity is not an input_datetime', async () => {
+    const card = await render({ entityId: 'sensor.test_sensor' });
+    expect(card).shadowDom.to.equal(errorCard());
+  });
+
+  it("errors if entity doesn't have time", async () => {
+    const card = await render({ hasTime: false });
+    expect(card).shadowDom.to.equal(errorCard());
+  });
+
+  it('renders card name', async () => {
+    const card = await render();
+    expect(card.shadowRoot?.innerHTML).to.match(/Wake Time/);
+  });
+
+  it('hides card name', async () => {
+    const card = await render({ hideName: true });
+    expect(card.shadowRoot?.innerHTML).not.to.match(/Wake Time/);
+  });
+
+  it('renders time units', async () => {
+    const card = await render();
+    expect(card.shadowRoot?.innerHTML.match(/<time-unit>/g)!.length).to.equal(2);
+  });
+
+  describe('time-period', () => {
+    it('is not rendered by default', async () => {
+      const card = await render();
+      expect(card.shadowRoot?.innerHTML.match(/<time-period>/g)).to.be.null;
+    });
+
+    it('renders in 12-hour mode', async () => {
+      const card = await render({ hourMode: 12 });
+      expect(card.shadowRoot?.innerHTML.match(/<time-period>/g)!.length).to.equal(1);
+    });
+  });
+});