Convert gr-plugin-rest-api_test to Typescript

Compare to PS1 for code changes.

Release-Notes: skip
Change-Id: Iaed316aca360edf3132e912dd5c68dd95cbeb335
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-rest-api_test.js b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-rest-api_test.js
deleted file mode 100644
index c6e1fa4..0000000
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-rest-api_test.js
+++ /dev/null
@@ -1,120 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-import '../../../test/common-test-setup';
-import './gr-js-api-interface';
-import {GrPluginRestApi} from './gr-plugin-rest-api';
-import {stubRestApi} from '../../../test/test-utils';
-import {assert} from '@open-wc/testing';
-
-suite('gr-plugin-rest-api tests', () => {
-  let instance;
-  let getResponseObjectStub;
-  let sendStub;
-
-  setup(() => {
-    stubRestApi('getAccount').returns(Promise.resolve({name: 'Judy Hopps'}));
-    getResponseObjectStub = stubRestApi('getResponseObject').returns(
-        Promise.resolve());
-    sendStub = stubRestApi('send').returns(Promise.resolve({status: 200}));
-    window.Gerrit.install(p => {}, '0.1',
-        'http://test.com/plugins/testplugin/static/test.js');
-    instance = new GrPluginRestApi();
-  });
-
-  test('fetch', () => {
-    const payload = {foo: 'foo'};
-    return instance.fetch('HTTP_METHOD', '/url', payload).then(r => {
-      assert.isTrue(sendStub.calledWith('HTTP_METHOD', '/url', payload));
-      assert.equal(r.status, 200);
-      assert.isFalse(getResponseObjectStub.called);
-    });
-  });
-
-  test('send', () => {
-    const payload = {foo: 'foo'};
-    const response = {bar: 'bar'};
-    getResponseObjectStub.returns(Promise.resolve(response));
-    return instance.send('HTTP_METHOD', '/url', payload).then(r => {
-      assert.isTrue(sendStub.calledWith('HTTP_METHOD', '/url', payload));
-      assert.strictEqual(r, response);
-    });
-  });
-
-  test('get', () => {
-    const response = {foo: 'foo'};
-    getResponseObjectStub.returns(Promise.resolve(response));
-    return instance.get('/url').then(r => {
-      assert.isTrue(sendStub.calledWith('GET', '/url'));
-      assert.strictEqual(r, response);
-    });
-  });
-
-  test('post', () => {
-    const payload = {foo: 'foo'};
-    const response = {bar: 'bar'};
-    getResponseObjectStub.returns(Promise.resolve(response));
-    return instance.post('/url', payload).then(r => {
-      assert.isTrue(sendStub.calledWith('POST', '/url', payload));
-      assert.strictEqual(r, response);
-    });
-  });
-
-  test('put', () => {
-    const payload = {foo: 'foo'};
-    const response = {bar: 'bar'};
-    getResponseObjectStub.returns(Promise.resolve(response));
-    return instance.put('/url', payload).then(r => {
-      assert.isTrue(sendStub.calledWith('PUT', '/url', payload));
-      assert.strictEqual(r, response);
-    });
-  });
-
-  test('delete works', () => {
-    const response = {status: 204};
-    sendStub.returns(Promise.resolve(response));
-    return instance.delete('/url').then(r => {
-      assert.isTrue(sendStub.calledWith('DELETE', '/url'));
-      assert.strictEqual(r, response);
-    });
-  });
-
-  test('delete fails', () => {
-    sendStub.returns(Promise.resolve(
-        {status: 400, text() { return Promise.resolve('text'); }}));
-    return instance.delete('/url').then(r => {
-      throw new Error('Should not resolve');
-    })
-        .catch(err => {
-          assert.isTrue(sendStub.calledWith('DELETE', '/url'));
-          assert.equal('text', err.message);
-        });
-  });
-
-  test('getLoggedIn', () => {
-    const stub = stubRestApi('getLoggedIn').returns(Promise.resolve(true));
-    return instance.getLoggedIn().then(result => {
-      assert.isTrue(stub.calledOnce);
-      assert.isTrue(result);
-    });
-  });
-
-  test('getVersion', () => {
-    const stub = stubRestApi('getVersion').returns(Promise.resolve('foo bar'));
-    return instance.getVersion().then(result => {
-      assert.isTrue(stub.calledOnce);
-      assert.equal(result, 'foo bar');
-    });
-  });
-
-  test('getConfig', () => {
-    const stub = stubRestApi('getConfig').returns(Promise.resolve('foo bar'));
-    return instance.getConfig().then(result => {
-      assert.isTrue(stub.calledOnce);
-      assert.equal(result, 'foo bar');
-    });
-  });
-});
-
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-rest-api_test.ts b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-rest-api_test.ts
new file mode 100644
index 0000000..d6d7fc2
--- /dev/null
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-rest-api_test.ts
@@ -0,0 +1,122 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+import '../../../test/common-test-setup';
+import './gr-js-api-interface';
+import {GrPluginRestApi} from './gr-plugin-rest-api';
+import {assertFails, stubRestApi} from '../../../test/test-utils';
+import {assert} from '@open-wc/testing';
+import {PluginApi} from '../../../api/plugin';
+import {
+  createAccountDetailWithId,
+  createServerInfo,
+} from '../../../test/test-data-generators';
+import {HttpMethod} from '../../../api/rest-api';
+
+suite('gr-plugin-rest-api tests', () => {
+  let instance: GrPluginRestApi;
+  let getResponseObjectStub: sinon.SinonStub;
+  let sendStub: sinon.SinonStub;
+
+  setup(() => {
+    stubRestApi('getAccount').resolves(createAccountDetailWithId());
+    getResponseObjectStub = stubRestApi('getResponseObject').resolves();
+    sendStub = stubRestApi('send').resolves({...new Response(), status: 200});
+    let pluginApi: PluginApi;
+    window.Gerrit.install(
+      p => {
+        pluginApi = p;
+      },
+      '0.1',
+      'http://test.com/plugins/testplugin/static/test.js'
+    );
+    instance = new GrPluginRestApi(pluginApi!);
+  });
+
+  test('fetch', async () => {
+    const payload = {foo: 'foo'};
+    const r = await instance.fetch(HttpMethod.POST, '/url', payload);
+    assert.isTrue(sendStub.calledWith(HttpMethod.POST, '/url', payload));
+    assert.equal(r.status, 200);
+    assert.isFalse(getResponseObjectStub.called);
+  });
+
+  test('send', async () => {
+    const payload = {foo: 'foo'};
+    const response = {bar: 'bar'};
+    getResponseObjectStub.resolves(response);
+    const r = await instance.send(HttpMethod.POST, '/url', payload);
+    assert.isTrue(sendStub.calledWith(HttpMethod.POST, '/url', payload));
+    assert.strictEqual(r, response);
+  });
+
+  test('get', async () => {
+    const response = {foo: 'foo'};
+    getResponseObjectStub.resolves(response);
+    const r = await instance.get('/url');
+    assert.isTrue(sendStub.calledWith('GET', '/url'));
+    assert.strictEqual(r, response);
+  });
+
+  test('post', async () => {
+    const payload = {foo: 'foo'};
+    const response = {bar: 'bar'};
+    getResponseObjectStub.resolves(response);
+    const r = await instance.post('/url', payload);
+    assert.isTrue(sendStub.calledWith('POST', '/url', payload));
+    assert.strictEqual(r, response);
+  });
+
+  test('put', async () => {
+    const payload = {foo: 'foo'};
+    const response = {bar: 'bar'};
+    getResponseObjectStub.resolves(response);
+    const r = await instance.put('/url', payload);
+    assert.isTrue(sendStub.calledWith('PUT', '/url', payload));
+    assert.strictEqual(r, response);
+  });
+
+  test('delete works', async () => {
+    const response = {status: 204};
+    sendStub.resolves(response);
+    const r = await instance.delete('/url');
+    assert.isTrue(sendStub.calledWith('DELETE', '/url'));
+    assert.strictEqual(r, response);
+  });
+
+  test('delete fails', async () => {
+    sendStub.resolves({
+      status: 400,
+      text() {
+        return Promise.resolve('text');
+      },
+    });
+    const error = await assertFails(instance.delete('/url'));
+    assert.equal('text', (error as Error).message);
+    assert.isTrue(sendStub.calledWith('DELETE', '/url'));
+  });
+
+  test('getLoggedIn', async () => {
+    const stub = stubRestApi('getLoggedIn').resolves(true);
+    const loggedIn = await instance.getLoggedIn();
+    assert.isTrue(stub.calledOnce);
+    assert.isTrue(loggedIn);
+  });
+
+  test('getVersion', async () => {
+    const stub = stubRestApi('getVersion').resolves('foo bar');
+    const version = await instance.getVersion();
+    assert.isTrue(stub.calledOnce);
+    assert.equal(version, 'foo bar');
+  });
+
+  test('getConfig', async () => {
+    const info = createServerInfo();
+    const stub = stubRestApi('getConfig').resolves(info);
+    const config = await instance.getConfig();
+    assert.isTrue(stub.calledOnce);
+    assert.equal(config, info);
+  });
+});
diff --git a/polygerrit-ui/app/test/test-utils.ts b/polygerrit-ui/app/test/test-utils.ts
index f4c0091..d6ad434 100644
--- a/polygerrit-ui/app/test/test-utils.ts
+++ b/polygerrit-ui/app/test/test-utils.ts
@@ -325,7 +325,7 @@
 }
 
 export function assertFails(promise: Promise<unknown>, error?: unknown) {
-  promise
+  return promise
     .then((_v: unknown) => {
       assert.fail('Promise resolved but should have failed');
     })
@@ -333,6 +333,7 @@
       if (error) {
         assert.equal(e, error);
       }
+      return e;
     });
 }