public void Has_an_Empty_implementation()
{
UnitUnderTest = ReadOnlyMsgHeaders.Empty;
UnitUnderTest.Should().BeEmpty();
UnitUnderTest.Count.Should().Be(0);
UnitUnderTest.Keys.Should().BeEmpty();
UnitUnderTest.Values.Should().BeEmpty();
UnitUnderTest.ContainsKey(Guid.NewGuid().ToString("N")).Should().BeFalse();
UnitUnderTest.TryGetValue(Guid.NewGuid().ToString("N"), out var match).Should().BeFalse();
match.Should().BeNull();
}
public void Works_as_a_read_only_dictionary()
{
var initialKvs = new Dictionary <string, IReadOnlyList <string> >
{
{ "Header1", new[] { "Value1.1" } },
{ "Header2", new[] { "Value2.1", "Value2.2" } }
};
UnitUnderTest = ReadOnlyMsgHeaders.Create(ValidProtocol, initialKvs);
UnitUnderTest.Count.Should().Be(2);
UnitUnderTest.Keys.Should().BeEquivalentTo("Header1", "Header2");
UnitUnderTest.Values.SelectMany(v => v).Should().BeEquivalentTo("Value1.1", "Value2.1", "Value2.2");
UnitUnderTest["Header1"].Should().BeEquivalentTo("Value1.1");
UnitUnderTest["Header2"].Should().BeEquivalentTo("Value2.1", "Value2.2");
UnitUnderTest.ContainsKey("Header1").Should().BeTrue();
UnitUnderTest.ContainsKey("MissingHeader").Should().BeFalse();
UnitUnderTest.TryGetValue("Header1", out var matchingValues1).Should().BeTrue();
matchingValues1.Should().BeEquivalentTo("Value1.1");
UnitUnderTest.TryGetValue("Header2", out var matchingValues2).Should().BeTrue();
matchingValues2.Should().BeEquivalentTo("Value2.1", "Value2.2");
UnitUnderTest.TryGetValue("MissingHeader", out var missingValues).Should().BeFalse();
missingValues.Should().BeNull();
}