public void testDeleteCourse() throws Exception {
______TS("typical case");
CourseAttributes course1OfInstructor = dataBundle.courses.get("typicalCourse1");
StudentAttributes studentInCourse = dataBundle.students.get("student1InCourse1");
// Ensure there are entities in the datastore under this course
assertTrue(StudentsLogic.inst().getStudentsForCourse(course1OfInstructor.id).size() != 0);
TestHelper.verifyPresentInDatastore(course1OfInstructor);
TestHelper.verifyPresentInDatastore(studentInCourse);
TestHelper.verifyPresentInDatastore(dataBundle.evaluations.get("evaluation1InCourse1"));
TestHelper.verifyPresentInDatastore(dataBundle.evaluations.get("evaluation2InCourse1"));
TestHelper.verifyPresentInDatastore(dataBundle.instructors.get("instructor1OfCourse1"));
TestHelper.verifyPresentInDatastore(dataBundle.instructors.get("instructor3OfCourse1"));
TestHelper.verifyPresentInDatastore(dataBundle.students.get("student1InCourse1"));
TestHelper.verifyPresentInDatastore(dataBundle.students.get("student5InCourse1"));
TestHelper.verifyPresentInDatastore(dataBundle.feedbackSessions.get("session1InCourse1"));
TestHelper.verifyPresentInDatastore(dataBundle.feedbackSessions.get("session2InCourse1"));
assertEquals(course1OfInstructor.id, studentInCourse.course);
coursesLogic.deleteCourseCascade(course1OfInstructor.id);
// Ensure the course and related entities are deleted
TestHelper.verifyAbsentInDatastore(course1OfInstructor);
TestHelper.verifyAbsentInDatastore(studentInCourse);
TestHelper.verifyAbsentInDatastore(dataBundle.evaluations.get("evaluation1InCourse1"));
TestHelper.verifyAbsentInDatastore(dataBundle.evaluations.get("evaluation2InCourse1"));
TestHelper.verifyAbsentInDatastore(dataBundle.instructors.get("instructor1OfCourse1"));
TestHelper.verifyAbsentInDatastore(dataBundle.instructors.get("instructor3OfCourse1"));
TestHelper.verifyAbsentInDatastore(dataBundle.students.get("student1InCourse1"));
TestHelper.verifyAbsentInDatastore(dataBundle.students.get("student5InCourse1"));
TestHelper.verifyAbsentInDatastore(dataBundle.feedbackSessions.get("session1InCourse1"));
TestHelper.verifyAbsentInDatastore(dataBundle.feedbackSessions.get("session2InCourse1"));
TestHelper.verifyAbsentInDatastore(dataBundle.comments.get("comment1FromI1C1toS1C1"));
TestHelper.verifyAbsentInDatastore(dataBundle.comments.get("comment2FromI1C1toS1C1"));
TestHelper.verifyAbsentInDatastore(dataBundle.comments.get("comment1FromI3C1toS2C1"));
ArrayList<SubmissionAttributes> submissionsOfCourse =
new ArrayList<SubmissionAttributes>(dataBundle.submissions.values());
for (SubmissionAttributes s : submissionsOfCourse) {
if (s.course.equals(course1OfInstructor.id)) {
TestHelper.verifyAbsentInDatastore(s);
}
}
______TS("non-existent");
// try to delete again. Should fail silently.
coursesLogic.deleteCourseCascade(course1OfInstructor.id);
______TS("null parameter");
try {
coursesLogic.deleteCourseCascade(null);
signalFailureToDetectException();
} catch (AssertionError e) {
assertEquals("Supplied parameter was null\n", e.getMessage());
}
}
public void testCreateCourseAndInstructor() throws Exception {
/* Explanation: SUT has 5 paths. They are,
* path 1 - exit because the account doesn't' exist.
* path 2 - exit because the account exists but doesn't have instructor privileges.
* path 3 - exit because course creation failed.
* path 4 - exit because instructor creation failed.
* path 5 - success.
* Accordingly, we have 5 test cases.
*/
______TS("fails: account doesn't exist");
CourseAttributes c = new CourseAttributes();
c.id = "fresh-course-tccai";
c.name = "Fresh course for tccai";
@SuppressWarnings("deprecation")
InstructorAttributes i =
new InstructorAttributes(
"instructor-for-tccai", c.id, "Instructor for tccai", "*****@*****.**");
try {
coursesLogic.createCourseAndInstructor(i.googleId, c.id, c.name);
signalFailureToDetectException();
} catch (AssertionError e) {
AssertHelper.assertContains("for a non-existent instructor", e.getMessage());
}
TestHelper.verifyAbsentInDatastore(c);
TestHelper.verifyAbsentInDatastore(i);
______TS("fails: account doesn't have instructor privileges");
AccountAttributes a = new AccountAttributes();
a.googleId = i.googleId;
a.name = i.name;
a.email = i.email;
a.institute = "TEAMMATES Test Institute 5";
a.isInstructor = false;
a.studentProfile = new StudentProfileAttributes();
a.studentProfile.googleId = i.googleId;
accountsDb.createAccount(a);
try {
coursesLogic.createCourseAndInstructor(i.googleId, c.id, c.name);
signalFailureToDetectException();
} catch (AssertionError e) {
AssertHelper.assertContains("doesn't have instructor privileges", e.getMessage());
}
TestHelper.verifyAbsentInDatastore(c);
TestHelper.verifyAbsentInDatastore(i);
______TS("fails: error during course creation");
a.isInstructor = true;
accountsDb.updateAccount(a);
c.id = "invalid id";
try {
coursesLogic.createCourseAndInstructor(i.googleId, c.id, c.name);
signalFailureToDetectException();
} catch (InvalidParametersException e) {
AssertHelper.assertContains("not acceptable to TEAMMATES as a Course ID", e.getMessage());
}
TestHelper.verifyAbsentInDatastore(c);
TestHelper.verifyAbsentInDatastore(i);
______TS("fails: error during instructor creation due to duplicate instructor");
c.id = "fresh-course-tccai";
instructorsDb.createEntity(i); // create a duplicate instructor
try {
coursesLogic.createCourseAndInstructor(i.googleId, c.id, c.name);
signalFailureToDetectException();
} catch (AssertionError e) {
AssertHelper.assertContains(
"Unexpected exception while trying to create instructor for a new course",
e.getMessage());
}
TestHelper.verifyAbsentInDatastore(c);
______TS("fails: error during instructor creation due to invalid parameters");
i.email = "ins.for.iccai.gmail.tmt";
try {
coursesLogic.createCourseAndInstructor(i.googleId, c.id, c.name);
signalFailureToDetectException();
} catch (AssertionError e) {
AssertHelper.assertContains(
"Unexpected exception while trying to create instructor for a new course",
e.getMessage());
}
TestHelper.verifyAbsentInDatastore(c);
______TS("success: typical case");
i.email = "*****@*****.**";
// remove the duplicate instructor object from the datastore.
instructorsDb.deleteInstructor(i.courseId, i.email);
coursesLogic.createCourseAndInstructor(i.googleId, c.id, c.name);
TestHelper.verifyPresentInDatastore(c);
TestHelper.verifyPresentInDatastore(i);
______TS("Null parameter");
try {
coursesLogic.createCourseAndInstructor(null, c.id, c.name);
signalFailureToDetectException();
} catch (AssertionError e) {
assertEquals("Supplied parameter was null\n", e.getMessage());
}
}