public void LoadFromPath_WithDependencyPathsSpecified_CanLoadAssemblyDependencies()
{
using (var directory = TempDirectory.Create())
{
// Arrange
var alphaFilePath = LoaderTestResources.Alpha.WriteToFile(directory.DirectoryPath, "Alpha.dll");
var betaFilePath = LoaderTestResources.Beta.WriteToFile(directory.DirectoryPath, "Beta.dll");
var gammaFilePath = LoaderTestResources.Gamma.WriteToFile(directory.DirectoryPath, "Gamma.dll");
var deltaFilePath = LoaderTestResources.Delta.WriteToFile(directory.DirectoryPath, "Delta.dll");
var loader = new TestDefaultExtensionAssemblyLoader(Path.Combine(directory.DirectoryPath, "shadow"));
loader.AddAssemblyLocation(gammaFilePath);
loader.AddAssemblyLocation(deltaFilePath);
// Act
var alpha = loader.LoadFromPath(alphaFilePath);
var beta = loader.LoadFromPath(betaFilePath);
// Assert
var builder = new StringBuilder();
var a = alpha.CreateInstance("Alpha.A");
a.GetType().GetMethod("Write").Invoke(a, new object[] { builder, "Test A" });
var b = beta.CreateInstance("Beta.B");
b.GetType().GetMethod("Write").Invoke(b, new object[] { builder, "Test B" });
var expected = @"Delta: Gamma: Alpha: Test A
Delta: Gamma: Beta: Test B
";
var actual = builder.ToString();
Assert.Equal(expected, actual, ignoreLineEndingDifferences: true);
}
}
public void Check_ReturnsFalse_WhenAssemblyHasDifferentMVID()
{
using (var directory = TempDirectory.Create())
{
// Arrange
var output = new StringWriter();
// Load Beta.dll from the future Alpha.dll path to prime the assembly loader
var alphaFilePath = LoaderTestResources.Beta.WriteToFile(directory.DirectoryPath, "Alpha.dll");
var betaFilePath = LoaderTestResources.Beta.WriteToFile(directory.DirectoryPath, "Beta.dll");
var gammaFilePath = LoaderTestResources.Gamma.WriteToFile(directory.DirectoryPath, "Gamma.dll");
var deltaFilePath = LoaderTestResources.Delta.WriteToFile(directory.DirectoryPath, "Delta.dll");
var loader = new TestDefaultExtensionAssemblyLoader(Path.Combine(directory.DirectoryPath, "shadow"));
var checker = new DefaultExtensionDependencyChecker(loader, output);
// This will cause the loader to cache some inconsistent information.
loader.LoadFromPath(alphaFilePath);
LoaderTestResources.Alpha.WriteToFile(directory.DirectoryPath, "Alpha.dll");
// Act
var result = checker.Check(new[] { alphaFilePath, gammaFilePath, deltaFilePath, });
// Assert
Assert.False(result, "Check should not have passed: " + output.ToString());
}
}
public void LoadFromPath_CanLoadAssembly()
{
using (var directory = TempDirectory.Create())
{
// Arrange
var alphaFilePath = LoaderTestResources.Alpha.WriteToFile(directory.DirectoryPath, "Alpha.dll");
var loader = new TestDefaultExtensionAssemblyLoader(Path.Combine(directory.DirectoryPath, "shadow"));
// Act
var assembly = loader.LoadFromPath(alphaFilePath);
// Assert
Assert.NotNull(assembly);
}
}
public void Load_CanLoadAssemblyByName_AfterLoadingByPath()
{
using (var directory = TempDirectory.Create())
{
// Arrange
var alphaFilePath = LoaderTestResources.Alpha.WriteToFile(directory.DirectoryPath, "Alpha.dll");
var loader = new TestDefaultExtensionAssemblyLoader(Path.Combine(directory.DirectoryPath, "shadow"));
var assembly1 = loader.LoadFromPath(alphaFilePath);
// Act
var assembly2 = loader.Load(assembly1.FullName);
// Assert
Assert.Same(assembly1, assembly2);
}
}
public void Check_ReturnsFalse_WithMissingDependency()
{
using (var directory = TempDirectory.Create())
{
// Arrange
var output = new StringWriter();
var alphaFilePath = LoaderTestResources.Alpha.WriteToFile(directory.DirectoryPath, "Alpha.dll");
var loader = new TestDefaultExtensionAssemblyLoader(Path.Combine(directory.DirectoryPath, "shadow"));
var checker = new DefaultExtensionDependencyChecker(loader, output);
// Act
var result = checker.Check(new[] { alphaFilePath, });
// Assert
Assert.False(result, "Check should not have passed: " + output.ToString());
}
}
public void LoadFromPath_DoesNotAddDuplicates_AfterLoadingByName()
{
using (var directory = TempDirectory.Create())
{
// Arrange
var alphaFilePath = LoaderTestResources.Alpha.WriteToFile(directory.DirectoryPath, "Alpha.dll");
var alphaFilePath2 = LoaderTestResources.Alpha.WriteToFile(directory.DirectoryPath, "Alpha2.dll");
var loader = new TestDefaultExtensionAssemblyLoader(Path.Combine(directory.DirectoryPath, "shadow"));
loader.AddAssemblyLocation(alphaFilePath);
var assembly1 = loader.Load("Alpha");
// Act
var assembly2 = loader.LoadFromPath(alphaFilePath2);
// Assert
Assert.Same(assembly1, assembly2);
}
}
public void Check_ReturnsTrue_WithAllDependenciesProvided()
{
using (var directory = TempDirectory.Create())
{
// Arrange
var output = new StringWriter();
var alphaFilePath = LoaderTestResources.Alpha.WriteToFile(directory.DirectoryPath, "Alpha.dll");
var betaFilePath = LoaderTestResources.Beta.WriteToFile(directory.DirectoryPath, "Beta.dll");
var gammaFilePath = LoaderTestResources.Gamma.WriteToFile(directory.DirectoryPath, "Gamma.dll");
var deltaFilePath = LoaderTestResources.Delta.WriteToFile(directory.DirectoryPath, "Delta.dll");
var loader = new TestDefaultExtensionAssemblyLoader(Path.Combine(directory.DirectoryPath, "shadow"));
var checker = new DefaultExtensionDependencyChecker(loader, output);
// Act
var result = checker.Check(new[] { alphaFilePath, betaFilePath, gammaFilePath, deltaFilePath, });
// Assert
Assert.True(result, "Check should have passed: " + output.ToString());
}
}