public void HasValueWithMultipleConfigurationsAndUnknownKey()
{
var key = new ConfigurationKey <string>("a");
var sub1 = new Mock <IConfiguration>();
{
sub1.Setup(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()))
.Returns(false)
.Verifiable();
}
var sub2 = new Mock <IConfiguration>();
{
sub2.Setup(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()))
.Returns(false)
.Verifiable();
}
var configuration = new HierarchicalConfiguration(
new IConfiguration[]
{
sub1.Object,
sub2.Object
});
Assert.IsFalse(configuration.HasValueFor(key));
sub1.Verify(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()), Times.Once());
sub2.Verify(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()), Times.Once());
}
public void HasValueWithNullKey()
{
var sub = new Mock <IConfiguration>();
{
sub.Setup(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()))
.Returns(true)
.Verifiable();
}
var configuration = new HierarchicalConfiguration(new IConfiguration[] { sub.Object });
Assert.IsFalse(configuration.HasValueFor(null));
sub.Verify(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()), Times.Never());
}
public void HasValueWithKnownKey()
{
var key = new ConfigurationKey <string>("a");
var sub = new Mock <IConfiguration>();
{
sub.Setup(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()))
.Returns(true)
.Verifiable();
}
var configuration = new HierarchicalConfiguration(new IConfiguration[] { sub.Object });
Assert.IsTrue(configuration.HasValueFor(key));
sub.Verify(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()), Times.Once());
}
public void ValueWithNullKey()
{
var sub = new Mock <IConfiguration>();
{
sub.Setup(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()))
.Returns(false)
.Verifiable();
sub.Setup(s => s.Value(It.IsAny <ConfigurationKey <string> >()))
.Verifiable();
}
var configuration = new HierarchicalConfiguration(new IConfiguration[] { sub.Object });
Assert.Throws <ArgumentNullException>(() => configuration.Value <string>(null));
sub.Verify(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()), Times.Never());
sub.Verify(s => s.Value(It.IsAny <ConfigurationKey <string> >()), Times.Never());
}
public void ValueWithMultipleConfigurationsAndKnownKey()
{
var value = "a";
var key = new ConfigurationKey <string>("b");
var sub1 = new Mock <IConfiguration>();
{
sub1.Setup(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()))
.Returns(false)
.Verifiable();
sub1.Setup(s => s.Value(It.IsAny <ConfigurationKey <string> >()))
.Verifiable();
}
var sub2 = new Mock <IConfiguration>();
{
sub2.Setup(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()))
.Returns(true)
.Verifiable();
sub2.Setup(s => s.Value(It.IsAny <ConfigurationKey <string> >()))
.Returns(value)
.Verifiable();
}
var configuration = new HierarchicalConfiguration(
new IConfiguration[]
{
sub1.Object,
sub2.Object
});
Assert.AreSame(value, configuration.Value(key));
sub1.Verify(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()), Times.Once());
sub1.Verify(s => s.Value(It.IsAny <ConfigurationKey <string> >()), Times.Never());
sub2.Verify(s => s.HasValueFor(It.IsAny <ConfigurationKeyBase>()), Times.Once());
sub2.Verify(s => s.Value(It.IsAny <ConfigurationKey <string> >()), Times.Once());
}
