public async Task EditSubject_WithExistentIdAndCorrectData_ShouldSuccessfullyEditSubject()
{
string errorMessagePrefix = "SubjectService EditSubjectAsync() does not work properly.";
var context = NetBookDbContextInMemoryFactory.InitializeContext();
await this.SeedData(context);
this.subjectService = new SubjectService(context);
var testId = context.Subjects.First().Id;
var testSubject = new SubjectServiceModel
{
Id = testId,
Name = "EditSubject",
};
var actualResult = await this.subjectService.EditSubjectAsync(testSubject);
var editedSubject = context.Subjects.First();
Assert.True(actualResult, errorMessagePrefix);
Assert.True(editedSubject.Name == testSubject.Name, errorMessagePrefix + " " + "Subject Name is not set properly.");
}
public async Task <bool> EditSubjectAsync(SubjectServiceModel model)
{
Subject subjectFromDb = await this.context.Subjects.SingleOrDefaultAsync(s => s.Id == model.Id);
if (subjectFromDb == null)
{
throw new ArgumentNullException(nameof(subjectFromDb));
}
if (model.Name != subjectFromDb.Name)
{
var sameSubjectName = await this.context.Subjects.SingleOrDefaultAsync(x => x.Name == model.Name);
if (sameSubjectName != null)
{
return(false);
}
subjectFromDb.Name = model.Name;
subjectFromDb.ModifiedOn = DateTime.UtcNow;
}
this.context.Subjects.Update(subjectFromDb);
int result = await this.context.SaveChangesAsync();
return(result > 0);
}
public async ASYNC.Task <SubjectServiceModel> Delete(int id)
{
var subject = await this.GetById(id);
var subjectToDelete = new SubjectServiceModel()
{
Id = subject.Id,
Name = subject.Name,
TeacherId = subject.TeacherId,
};
return(subjectToDelete);
}
public async Task CreateSubject_WithCorrectData_ShouldSuccessfullyCreateSubject()
{
string errorMessagePrefix = "SubjectService CreateSubjectAsync() does not work properly.";
var context = NetBookDbContextInMemoryFactory.InitializeContext();
await this.SeedData(context);
this.subjectService = new SubjectService(context);
var testSubject = new SubjectServiceModel();
var actualResult = await this.subjectService.CreateSubjectAsync(testSubject);
Assert.True(actualResult, errorMessagePrefix);
}
public async Task <IActionResult> Create(SubjectCreateInputModel model)
{
if (this.ModelState.IsValid)
{
SubjectServiceModel serviceModel = model.To <SubjectServiceModel>();
bool result = await this.subjectService.CreateSubjectAsync(serviceModel);
if (result)
{
return(this.RedirectToAction("All"));
}
}
return(this.View(model));
}
public async Task <bool> CreateSubjectAsync(SubjectServiceModel model)
{
Subject subjectToAdd = AutoMapper.Mapper.Map <Subject>(model);
var subjectWithSameName = await this.context.Subjects.SingleOrDefaultAsync(s => s.Name == subjectToAdd.Name);
if (subjectWithSameName != null)
{
return(false);
}
await this.context.Subjects.AddAsync(subjectToAdd);
int result = await this.context.SaveChangesAsync();
return(result > 0);
}
public async Task EditSubject_WithNonExistentId_ShouldThrowArgumentNullException()
{
string errorMessagePrefix = "SubjectService EditSubjectAsync() does not work properly.";
var context = NetBookDbContextInMemoryFactory.InitializeContext();
await this.SeedData(context);
this.subjectService = new SubjectService(context);
var testId = "Non_Existent";
var testSubject = new SubjectServiceModel {
Id = testId
};
await Assert.ThrowsAsync <ArgumentNullException>(async() => await this.subjectService.EditSubjectAsync(testSubject));
}
public async Task CreateSubject_WithSameSubjectName_ShouldReturnFalse()
{
string errorMessagePrefix = "SubjectService CreateSubjectAsync() does not work properly.";
var context = NetBookDbContextInMemoryFactory.InitializeContext();
await this.SeedData(context);
this.subjectService = new SubjectService(context);
var testSubject = new SubjectServiceModel {
Name = "TestSubject"
};
var actualResult = await this.subjectService.CreateSubjectAsync(testSubject);
Assert.True(!actualResult, errorMessagePrefix + " " + "Subject with same name can not be created.");
}
public async Task EditSubject_WithExistentIdAndSameSubjectName_ShouldReturnFalse()
{
string errorMessagePrefix = "SubjectService EditSubjectAsync() does not work properly.";
var context = NetBookDbContextInMemoryFactory.InitializeContext();
await this.SeedData(context);
this.subjectService = new SubjectService(context);
var testId = context.Subjects.First().Id;
var testSubject = new SubjectServiceModel
{
Id = testId,
Name = "TestSubject2",
};
var actualResult = await this.subjectService.EditSubjectAsync(testSubject);
Assert.True(!actualResult, errorMessagePrefix);
}