public void WhenConstructingTheRepository_ItWill_BeCreated()
{
sut = new TrilligRepository(_db);
Assert.NotNull(sut);
Assert.IsAssignableFrom <IKeyedRepository <Trillig, int> >(sut);
}
public async Task CheckingExistenceOfMultiples_WillReturnFalse_WhenAnyNotExist(int id1, int id2, int id3)
{
await _db.Database.EnsureCreatedAsync();
// Arrange
sut = new TrilligRepository(_db);
// Act
bool result = await sut.Exists(id1, id2, id3);
// Assert
Assert.False(result);
await _db.Database.EnsureDeletedAsync();
}
public async Task CheckingExistence_WillReturnTrue_WhenExists(int id)
{
await _db.Database.EnsureCreatedAsync();
// Arrange
sut = new TrilligRepository(_db);
// Act
bool result = await sut.Exists(id);
// Assert
Assert.True(result);
await _db.Database.EnsureDeletedAsync();
}
public async Task GetAsync_WillReturnNull_WhenNotExists(int id)
{
await _db.Database.EnsureCreatedAsync();
// Arrange
sut = new TrilligRepository(_db);
// Act
Trillig result = await sut.GetAsync(id);
// Assert
Assert.Null(result);
await _db.Database.EnsureDeletedAsync();
}
public async Task GetAsyncMultiple_WillReturnAllMatchingEntities(int id1, int id2, int id3)
{
await _db.Database.EnsureCreatedAsync();
// Arrange
sut = new TrilligRepository(_db);
// Act
IEnumerable <Trillig> result = await sut.GetAsync(id1, id2, id3);
// Assert
Assert.NotEmpty(result);
Assert.Equal(3, result.Count());
await _db.Database.EnsureDeletedAsync();
}
public async Task GetAsync_WillReturnTheCorrectValue_WhenExists(int id)
{
await _db.Database.EnsureCreatedAsync();
// Arrange
sut = new TrilligRepository(_db);
// Act
Trillig result = await sut.GetAsync(id);
// Assert
Assert.NotNull(result);
Assert.Equal(id, result.Id);
await _db.Database.EnsureDeletedAsync();
}
public async Task AttemptingADelete_WithEmptyIds_HasNoEffect()
{
await _db.Database.EnsureCreatedAsync();
// Arrange
sut = new TrilligRepository(_db);
var preTrilligs = await _db.Trilligs.CountAsync();
// Act
await sut.DeleteAsync();
// Assert
var postTrilligs = await _db.Trilligs.CountAsync();
Assert.Equal(preTrilligs, postTrilligs);
await _db.Database.EnsureDeletedAsync();
}
public async Task DeletingEntitiesByKey_WillNotAffectNonExistentKeys()
{
// Arrange
await _db.Database.EnsureCreatedAsync();
var targetIds = new[] { 1, 22, 33 };
var preTrilligs = _db.Trilligs.Where(x => targetIds.Contains(x.Id)).ToArray();
Assert.Single(preTrilligs);
sut = new TrilligRepository(_db);
// Act
await sut.DeleteAsync(targetIds);
// Assert
var postTrilligs = _db.Trilligs.Where(x => targetIds.Contains(x.Id)).ToArray();
Assert.Empty(postTrilligs);
await _db.Database.EnsureDeletedAsync();
}
public async Task DeletingEntitiesByKey_RemoveEntriesWithExisitngKeys()
{
// Arrange
await _db.Database.EnsureCreatedAsync();
var targetIds = new[] { 1, 2, 3 };
var preTrilligs = _db.Trilligs.Where(x => targetIds.Contains(x.Id)).ToArray();
Assert.Equal(3, preTrilligs.Length);
sut = new TrilligRepository(_db);
// Act
await sut.DeleteAsync(targetIds);
// Assert
var postTrilligs = _db.Trilligs.Where(x => targetIds.Contains(x.Id)).ToArray();
Assert.Empty(postTrilligs);
await _db.Database.EnsureDeletedAsync();
}
