private static IServiceCollection RegisterHttpClient(
this IServiceCollection serviceCollection,
HttPlaceholderClientConfiguration config)
{
serviceCollection.AddHttpClient <IHttPlaceholderClient, HttPlaceholderClient>(client => client.ApplyConfiguration(config));
return(serviceCollection);
}
internal static void ApplyConfiguration(this HttpClient httpClient, HttPlaceholderClientConfiguration config)
{
httpClient.BaseAddress = new Uri(config.RootUrl);
if (!string.IsNullOrWhiteSpace(config.Username) && !string.IsNullOrWhiteSpace(config.Password))
{
var auth = Convert.ToBase64String(Encoding.UTF8.GetBytes($"{config.Username}:{config.Password}"));
httpClient.DefaultRequestHeaders.Add("Authorization", $"Basic {auth}");
}
}
/// <summary>
/// Adds the <see cref="HttPlaceholderClient"/> to the service collection.
/// </summary>
/// <param name="serviceCollection">The service collection the client should be added to.</param>
/// <param name="configAction">An action to configure the client.</param>
/// <returns>The <see cref="IServiceCollection"/>.</returns>
public static IServiceCollection AddHttPlaceholderClient(
this IServiceCollection serviceCollection,
Action <HttPlaceholderClientConfiguration> configAction = null)
{
var config = new HttPlaceholderClientConfiguration();
configAction?.Invoke(config);
config.Validate();
return(serviceCollection.RegisterHttpClient(config));
}
public void RootUrl_EndsInSlash_ShouldNotAddExtraSlash()
{
// Arrange / Act
var config = new HttPlaceholderClientConfiguration {
RootUrl = "http://localhost:5000/"
};
// Assert
Assert.AreEqual("http://localhost:5000/", config.RootUrl);
}
public void RootUrl_NoValueSet_ShouldLeaveRootUrlEmpty()
{
// Arrange / Act
var config = new HttPlaceholderClientConfiguration {
RootUrl = string.Empty
};
// Assert
Assert.IsNull(config.RootUrl);
}
/// <summary>
/// Method for creating the <see cref="IHttPlaceholderClient"/>.
/// </summary>
/// <param name="config">The configuration of the client.</param>
/// <returns>The <see cref="IHttPlaceholderClient"/>.</returns>
public static IHttPlaceholderClient CreateHttPlaceholderClient(HttPlaceholderClientConfiguration config)
{
config.Validate();
if (_httpClient == null)
{
_httpClient = new HttpClient();
_httpClient.ApplyConfiguration(config);
}
return(new HttPlaceholderClient(_httpClient));
}
public void Validate_RootUrlEmpty_ShouldThrowArgumentException()
{
// Arrange
var config = new HttPlaceholderClientConfiguration {
RootUrl = string.Empty
};
// Act
var exception = Assert.ThrowsException <ArgumentException>(() => config.Validate());
// Assert
Assert.AreEqual("No value set for RootUrl in HttPlaceholder configuration.", exception.Message);
}
public void CreateHttPlaceholderClient_ShouldSetBaseUrl()
{
// Arrange
var config = new HttPlaceholderClientConfiguration {
RootUrl = "http://localhost:5000"
};
// Act
var client = (HttPlaceholderClient)HttPlaceholderClientFactory.CreateHttPlaceholderClient(config);
// Assert
Assert.AreEqual("http://localhost:5000/", client.HttpClient.BaseAddress.OriginalString);
}
public void CreateHttPlaceholderClient_ShouldReuseHttpClient()
{
// Arrange
var config = new HttPlaceholderClientConfiguration {
RootUrl = "http://localhost:5000"
};
// Act
var client1 = (HttPlaceholderClient)HttPlaceholderClientFactory.CreateHttPlaceholderClient(config);
var client2 = (HttPlaceholderClient)HttPlaceholderClientFactory.CreateHttPlaceholderClient(config);
// Assert
Assert.AreEqual(client1.HttpClient, client2.HttpClient);
}
public void ApplyConfiguration_NoAuthSet_ShouldOnlySetBaseUrl()
{
// Arrange
var config = new HttPlaceholderClientConfiguration {
RootUrl = "http://localhost:5000"
};
var httpClient = new HttpClient();
// Act
httpClient.ApplyConfiguration(config);
// Assert
Assert.AreEqual("http://localhost:5000/", httpClient.BaseAddress.OriginalString);
Assert.IsFalse(httpClient.DefaultRequestHeaders.Any(h => h.Key == "Authorization"));
}
public void ApplyConfiguration_AuthSet_ShouldSetBaseUrlAndAuth()
{
// Arrange
var config = new HttPlaceholderClientConfiguration
{
RootUrl = "http://localhost:5000", Username = "******", Password = "******"
};
var httpClient = new HttpClient();
// Act
httpClient.ApplyConfiguration(config);
// Assert
Assert.AreEqual("http://localhost:5000/", httpClient.BaseAddress.OriginalString);
var authHeader = httpClient.DefaultRequestHeaders.Single(h => h.Key == "Authorization");
var base64Decoded =
Encoding.UTF8.GetString(
Convert.FromBase64String(authHeader.Value.Single().Replace("Basic ", string.Empty)));
var parts = base64Decoded.Split(':');
Assert.AreEqual("username", parts[0]);
Assert.AreEqual("password", parts[1]);
}
