public void Test_GenerateRecommendationsList_with_InvalidCourse()
{
// Arrange
StubHttpConnection stub_connection = new StubHttpConnection();
List <CourseModel> test_recommendations = new List <CourseModel>();
CourseModel dummy_courseToAttach2 = new CourseModel();
dummy_courseToAttach2.Id = null;
dummy_courseToAttach2.Department = null;
dummy_courseToAttach2.Name = "Should not be final list as it invalid";
dummy_courseToAttach2.Difficulty = 4.56;
dummy_courseToAttach2.DifficultyCount = 7;
dummy_courseToAttach2.SectionRatings = new Dictionary <string, Dictionary <string, double> >
{
{ "test_person2", new Dictionary <string, double> {
{ "rating", 3.4 }, { "count", 15 }
} }
};
test_recommendations.Add(dummy_courseToAttach2);
stub_connection.SetDummyResponse(JsonConvert.SerializeObject(test_recommendations));
CourseRecommendationsViewModel vmToTest = new CourseRecommendationsViewModel(stub_connection);
// Test with valid JSON object but invalid data
vmToTest.GenerateRecommendationsList();
// Assert
Assert.IsFalse(vmToTest.RecommendationsList.Any(c =>
c.Name.Equals(dummy_courseToAttach2.Name)), "Invalid course was added to list");
}
public void Test_GenerateRecommendationsList_with_InvalidServerResponse()
{
// Arrange
StubHttpConnection stub_connection = new StubHttpConnection();
stub_connection.SetDummyResponse("[{\"NOId\":\"1010\",\"NOdepartment\":\"COMP\",\"NOdifficulty\":7.62,\"NOdifficultyCount\":1,\"NOname\":\"Should be in final list as it is valid\",\"NOsectionRatings\":{\"test_person1\":{\"NOrating\":5.4,\"NOcount\":10.0}}}]");
CourseRecommendationsViewModel vmToTest = new CourseRecommendationsViewModel(stub_connection);
// Test with invalid JSON responses from server
vmToTest.GenerateRecommendationsList();
// Assert
Assert.IsTrue(vmToTest.RecommendationsList.Count == 0, "Invalid course added with invalid server response");
}
public void Test_GenerateRecommendationsList_with_NullServerResponse()
{
// Arrange
StubHttpConnection stub_connection = new StubHttpConnection();
stub_connection.SetDummyResponse(null);
CourseRecommendationsViewModel vmToTest = new CourseRecommendationsViewModel(stub_connection);
// Test with null JSON responses from server
vmToTest.GenerateRecommendationsList();
// Assert
Assert.IsTrue(vmToTest.RecommendationsList.Count == 0, "Invalid course added with null server response");
}
public void Test_GenerateRecommendationsList_with_ValidCourse()
{
// Arrange
StubHttpConnection stub_connection = new StubHttpConnection();
List <CourseModel> test_recommendations = new List <CourseModel>();
CourseModel dummy_courseToAttach1 = new CourseModel();
dummy_courseToAttach1.Id = "1010";
dummy_courseToAttach1.Department = "COMP";
dummy_courseToAttach1.Name = "Should be in final list as it is valid";
dummy_courseToAttach1.Difficulty = 7.62;
dummy_courseToAttach1.DifficultyCount = 1;
dummy_courseToAttach1.SectionRatings = new Dictionary <string, Dictionary <string, double> >
{
{ "test_person1", new Dictionary <string, double> {
{ "rating", 5.4 }, { "count", 10 }
} }
};
test_recommendations.Add(dummy_courseToAttach1);
stub_connection.SetDummyResponse(JsonConvert.SerializeObject(test_recommendations));
CourseRecommendationsViewModel vmToTest = new CourseRecommendationsViewModel(stub_connection);
// Test with valid server response and data
vmToTest.GenerateRecommendationsList();
// Assert
Assert.IsTrue(vmToTest.RecommendationsList.Any(c =>
c.Name.Equals(dummy_courseToAttach1.Name) &&
c.Id.Equals(dummy_courseToAttach1.Id) &&
c.Department.Equals(dummy_courseToAttach1.Department) &&
c.Difficulty == dummy_courseToAttach1.Difficulty &&
c.DifficultyCount == dummy_courseToAttach1.DifficultyCount &&
c.SectionRatings["test_person1"]["rating"] == 5.4), "Expected course was not found");
Assert.IsTrue(vmToTest.RecommendationsList.Count == 1);
}
public void Test_GenerateRecommendationsList_with_MultipleCourses()
{
// Arrange
StubHttpConnection stub_connection = new StubHttpConnection();
List <CourseModel> test_recommendations = new List <CourseModel>();
CourseModel dummy_courseToAttach1 = new CourseModel();
dummy_courseToAttach1.Id = "1010";
dummy_courseToAttach1.Department = "COMP";
dummy_courseToAttach1.Name = "Should be in final list";
dummy_courseToAttach1.Difficulty = 7.62;
dummy_courseToAttach1.DifficultyCount = 1;
dummy_courseToAttach1.SectionRatings = new Dictionary <string, Dictionary <string, double> >
{
{ "test_person1", new Dictionary <string, double> {
{ "rating", 5.4 }, { "count", 10 }
} }
};
CourseModel dummy_courseToAttach2 = new CourseModel();
dummy_courseToAttach2.Id = "2020";
dummy_courseToAttach2.Department = "MATH";
dummy_courseToAttach2.Name = "Should be final list";
dummy_courseToAttach2.Difficulty = 4.56;
dummy_courseToAttach2.DifficultyCount = 7;
dummy_courseToAttach2.SectionRatings = new Dictionary <string, Dictionary <string, double> >
{
{ "test_person2", new Dictionary <string, double> {
{ "rating", 3.4 }, { "count", 15 }
} }
};
test_recommendations.Add(dummy_courseToAttach1);
test_recommendations.Add(dummy_courseToAttach2);
stub_connection.SetDummyResponse(JsonConvert.SerializeObject(test_recommendations));
CourseRecommendationsViewModel vmToTest = new CourseRecommendationsViewModel(stub_connection);
// Test with multiple courses
vmToTest.GenerateRecommendationsList();
// Assert
Assert.IsTrue(vmToTest.RecommendationsList.Any(c =>
c.Name.Equals(dummy_courseToAttach1.Name) &&
c.Id.Equals(dummy_courseToAttach1.Id) &&
c.Department.Equals(dummy_courseToAttach1.Department) &&
c.Difficulty == dummy_courseToAttach1.Difficulty &&
c.DifficultyCount == dummy_courseToAttach1.DifficultyCount &&
c.SectionRatings["test_person1"]["rating"] == 5.4), "Expected course was not found multiple courses sent");
Assert.IsTrue(vmToTest.RecommendationsList.Any(c =>
c.Name.Equals(dummy_courseToAttach2.Name) &&
c.Id.Equals(dummy_courseToAttach2.Id) &&
c.Department.Equals(dummy_courseToAttach2.Department) &&
c.Difficulty == dummy_courseToAttach2.Difficulty &&
c.DifficultyCount == dummy_courseToAttach2.DifficultyCount &&
c.SectionRatings["test_person2"]["rating"] == 3.4), "Expected course was not found when multiple courses sent");
Assert.IsTrue(vmToTest.RecommendationsList.Count == 2, "not all courses were added");
}