public async Task GetResourceNamesAsync_SubnetsReturned_MapsSubnetIdToName()
{
// arrange
DescribeSubnetsReturns(new List <Subnet>
{
new Subnet {
SubnetId = "Abc123"
}
});
var sut = new VpcSubnetSource(_fakeEc2Client.Object);
// act
var result = await sut.GetResourceNamesAsync();
// assert
Assert.That(result.Count, Is.EqualTo(1));
Assert.That(result.First(), Is.EqualTo("Abc123"));
}
public async Task GetResourceAsync_SubnetExists_ReturnsWrappedSubnet()
{
// arrange
var subnet = new Subnet {
SubnetId = "Abc123"
};
DescribeSubnetsReturns(new List <Subnet>
{
subnet
});
var sut = new VpcSubnetSource(_fakeEc2Client.Object);
// act
var result = await sut.GetResourceAsync("Abc123");
// assert
Assert.That(result, Is.EqualTo(subnet));
}
public async Task MultipleCalls_DataLoadedOnce()
{
// arrange
var subnet = new Subnet {
SubnetId = "Abc123"
};
DescribeSubnetsReturns(new List <Subnet>
{
subnet
});
var sut = new VpcSubnetSource(_fakeEc2Client.Object);
// act
await sut.GetResourceNamesAsync();
await sut.GetResourceAsync("Abc123");
await sut.GetResourceAsync("Abc123");
// assert
_fakeEc2Client.Verify(x => x.DescribeSubnetsAsync(It.IsAny <CancellationToken>()), Times.Once);
}