public void Can_Be_Enumerated()
{
var headers = new KafkaEventDataHeaders();
headers.Add("test", Encoding.UTF8.GetBytes("testValue1"));
headers.Add("test", Encoding.UTF8.GetBytes("testValue1"));
Assert.Collection(headers, x => Assert.Equal("test", x.Key), x => Assert.Equal("test", x.Key));
}
public void Remove_Removes_Header()
{
var headers = new KafkaEventDataHeaders();
headers.Add("test", Encoding.UTF8.GetBytes("test"));
headers.Add("test2", Encoding.UTF8.GetBytes("test"));
headers.Remove("test2");
Assert.Equal(1, headers.Count);
}
public void GetFirst_Returns_The_Last_Header_Value()
{
var headers = new KafkaEventDataHeaders();
headers.Add("test", Encoding.UTF8.GetBytes("testValue1"));
headers.Add("test", Encoding.UTF8.GetBytes("testValue2"));
var value = headers.GetFirst("test");
Assert.Equal("testValue1", Encoding.UTF8.GetString(value));
}
public void TryGetFirst_Outputs_The_Last_Header_Value(string key, bool expectedSuccess, string output)
{
var headers = new KafkaEventDataHeaders();
headers.Add("test", Encoding.UTF8.GetBytes("testValue1"));
headers.Add("test", Encoding.UTF8.GetBytes("testValue2"));
var success = headers.TryGetFirst(key, out var value);
Assert.Equal(expectedSuccess, success);
Assert.Equal(output, value == null ? null : Encoding.UTF8.GetString(value));
}
public void When_Created_As_ReadOnly_Is_ReadOnly()
{
var headers = new KafkaEventDataHeaders(true);
Assert.True(headers.IsReadOnly);
Assert.Throws <NotSupportedException>(() => headers.Add("test", null));
}
public void GetFirst_Throws_On_InvalidKey()
{
var headers = new KafkaEventDataHeaders();
headers.Add("test", Encoding.UTF8.GetBytes("testValue1"));
Assert.Throws <KeyNotFoundException>(() => headers.GetFirst("test2"));
}
public void Add_Throws_When_Key_Is_Null()
{
var headers = new KafkaEventDataHeaders();
Assert.Throws <ArgumentNullException>(() => headers.Add(null, null));
}