public async Task MoveNext_WhenEndOfEnumerator_ReturnsFalseIfMoved()
{
// Arrange
var heroes = new List <HeroEntity> {
};
var enumerator = new MockDbSetAsyncEnumerator <HeroEntity>(heroes.GetEnumerator()) as IAsyncEnumerator <HeroEntity>;
// Act
var result = await enumerator.MoveNext(CancellationToken.None);
// Assert
Assert.IsFalse(result);
}
public async Task Current_WhenCalled_ReturnsItem()
{
// Arrange
var heroes = HeroBuilder.CreateAListOfHeros();
var enumerator = new MockDbSetAsyncEnumerator <HeroEntity>(heroes.GetEnumerator()) as IAsyncEnumerator <HeroEntity>;
// Act
while (await enumerator.MoveNext(CancellationToken.None))
{
var current = enumerator.Current;
// Assert
Assert.IsTrue(heroes.Any(h => h == current));
}
}
public async Task MoveNext_WhenItemInEnumerator_ReturnsTrueIfMoved()
{
// Arrange
var heroes = new List <HeroEntity> {
new HeroEntity {
Id = 21, Name = "Nick Fury"
}
};
var enumerator = new MockDbSetAsyncEnumerator <HeroEntity>(heroes.GetEnumerator()) as IAsyncEnumerator <HeroEntity>;
// Act
var result = await enumerator.MoveNext(CancellationToken.None);
// Assert
Assert.IsTrue(result);
}
public async Task MoveNext_WhenCalled_ReturnsFalseIfAtEnd()
{
// Arrange
var heroes = HeroBuilder.CreateAListOfHeros();
var enumerator = new MockDbSetAsyncEnumerator <HeroEntity>(heroes.GetEnumerator()) as IAsyncEnumerator <HeroEntity>;
var count = 0;
// Act
while (await enumerator.MoveNext(CancellationToken.None))
{
count++;
}
// Assert
Assert.AreEqual(heroes.Count(), count);
}
