spec: Add missing specs for AssignmentApi

refs GRADE-134

Change-Id: Idb1ff5ffee77bda4525e3d3b55874bdf34f0d6d5
Reviewed-on: https://gerrit.instructure.com/122141
Reviewed-by: Derek Bender <djbender@instructure.com>
Product-Review: Gary Mei <gmei@instructure.com>
QA-Review: Gary Mei <gmei@instructure.com>
Reviewed-by: Shahbaz Javeed <sjaveed@instructure.com>
Tested-by: Jenkins

spec/javascripts/jsx/gradebook-history/api/AssignmentApiSpec.js

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 - present Instructure, Inc.
+ *
+ * This file is part of Canvas.
+ *
+ * Canvas is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Affero General Public License as published by the Free
+ * Software Foundation, version 3 of the License.
+ *
+ * Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Affero General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import axios from 'axios';
+import AssignmentApi from 'jsx/gradebook-history/api/AssignmentApi';
+
+QUnit.module('AssignmentApi', {
+  setup () {
+    this.courseId = 23;
+    this.getStub = this.stub(axios, 'get')
+      .returns(Promise.resolve({
+        response: {}
+      }));
+  }
+});
+
+test('getAssignmentsByName makes a request with a search term', function () {
+  const courseId = 23;
+  const url = `/api/v1/courses/${courseId}/assignments`;
+  const searchTerm = "Gary's late assignment";
+  const params = {
+    params: {
+      search_term: searchTerm
+    }
+  };
+  const promise = AssignmentApi.getAssignmentsByName(courseId, searchTerm);
+
+  return promise.then(() => {
+    strictEqual(this.getStub.callCount, 1);
+    strictEqual(this.getStub.firstCall.args[0], url);
+    deepEqual(this.getStub.firstCall.args[1], params);
+  });
+});
+
+test('getAssignmentsNextPage makes a request with given url', function () {
+  const url = 'https://example.com/assignments?page=2';
+  const promise = AssignmentApi.getAssignmentsNextPage(url);
+
+  return promise.then(() => {
+    strictEqual(this.getStub.callCount, 1);
+    strictEqual(this.getStub.firstCall.args[0], url);
+  });
+});