public void GetRelatedAssemblies_LoadsRelatedAssembly()
{
// Arrange
var destination = Path.Combine(AssemblyDirectory, "RelatedAssembly.dll");
var assembly = new TestAssembly
{
AttributeAssembly = "RelatedAssembly",
};
var relatedAssembly = typeof(RelatedAssemblyPartTest).Assembly;
try
{
File.WriteAllBytes(destination, new byte[0]);
var result = RelatedAssemblyAttribute.GetRelatedAssemblies(assembly, throwOnError: true, file =>
{
Assert.Equal(file, destination);
return(relatedAssembly);
});
Assert.Equal(new[] { relatedAssembly }, result);
}
finally
{
File.Delete(destination);
}
}
private static IEnumerable <Assembly> GetAsemblyClosure(Assembly assembly)
{
yield return(assembly);
var relatedAssemblies = RelatedAssemblyAttribute.GetRelatedAssemblies(assembly, throwOnError: false)
.OrderBy(assembly => assembly.FullName, StringComparer.Ordinal);
foreach (var relatedAssembly in relatedAssemblies)
{
yield return(relatedAssembly);
}
}
public void GetRelatedAssemblies_Noops_ForDynamicAssemblies()
{
// Arrange
var name = new AssemblyName($"DynamicAssembly-{Guid.NewGuid()}");
var assembly = AssemblyBuilder.DefineDynamicAssembly(name, AssemblyBuilderAccess.RunAndCollect);
// Act
var result = RelatedAssemblyAttribute.GetRelatedAssemblies(assembly, throwOnError: true);
// Assert
Assert.Empty(result);
}
public void GetRelatedAssemblies_ThrowsIfAssemblyCannotBeFound()
{
// Arrange
var assemblyPath = Path.Combine(AssemblyDirectory, "MyAssembly.dll");
var assembly = new TestAssembly
{
AttributeAssembly = "DoesNotExist"
};
// Act & Assert
Assert.Throws <FileNotFoundException>(() => RelatedAssemblyAttribute.GetRelatedAssemblies(assembly, throwOnError: true));
}
public void GetRelatedAssemblies_ThrowsIfRelatedAttributeReferencesSelf()
{
// Arrange
var expected = "RelatedAssemblyAttribute specified on MyAssembly cannot be self referential.";
var assembly = new TestAssembly {
AttributeAssembly = "MyAssembly"
};
// Act & Assert
var ex = Assert.Throws <InvalidOperationException>(() => RelatedAssemblyAttribute.GetRelatedAssemblies(assembly, throwOnError: true));
Assert.Equal(expected, ex.Message);
}
public void GetAssemblyLocation_CodeBase_HasPoundCharacterDOSPath()
{
var destination = Path.Combine(AssemblyDirectory, "RelatedAssembly.dll");
var expected = @"C:\#NIN\dotnetcore\tryx\try1.dll";
var assembly = new TestAssembly
{
CodeBaseSettable = "file:///C:/#NIN/dotnetcore/tryx/try1.dll",
LocationSettable = expected,
};
// Act
var actual = RelatedAssemblyAttribute.GetAssemblyLocation(assembly);
Assert.Equal(expected, actual);
}
public void GetAssemblyLocation_UsesCodeBase()
{
// Arrange
var destination = Path.Combine(AssemblyDirectory, "RelatedAssembly.dll");
var codeBase = "file://x/file/Assembly.dll";
var expected = new Uri(codeBase).LocalPath;
var assembly = new TestAssembly
{
CodeBaseSettable = codeBase,
};
// Act
var actual = RelatedAssemblyAttribute.GetAssemblyLocation(assembly);
Assert.Equal(expected, actual);
}
public void GetRelatedAssemblies_ThrowsIfAssemblyCannotBeFound()
{
// Arrange
var expected = $"Related assembly 'DoesNotExist' specified by assembly 'MyAssembly' could not be found in the directory {AssemblyDirectory}. Related assemblies must be co-located with the specifying assemblies.";
var assemblyPath = Path.Combine(AssemblyDirectory, "MyAssembly.dll");
var assembly = new TestAssembly
{
AttributeAssembly = "DoesNotExist"
};
// Act & Assert
var ex = Assert.Throws <FileNotFoundException>(() => RelatedAssemblyAttribute.GetRelatedAssemblies(assembly, throwOnError: true));
Assert.Equal(expected, ex.Message);
Assert.Equal(Path.Combine(AssemblyDirectory, "DoesNotExist.dll"), ex.FileName);
}
public void GetAssemblyLocation_UsesLocation_IfCodeBaseIsNotLocal()
{
// Arrange
var destination = Path.Combine(AssemblyDirectory, "RelatedAssembly.dll");
var expected = Path.Combine(AssemblyDirectory, "Some-Dir", "Assembly.dll");
var assembly = new TestAssembly
{
CodeBaseSettable = "https://www.microsoft.com/test.dll",
LocationSettable = expected,
};
// Act
var actual = RelatedAssemblyAttribute.GetAssemblyLocation(assembly);
Assert.Equal(expected, actual);
}
public void GetRelatedAssemblies_ReadsAssemblyFromLoadContext_IfItAlreadyExists()
{
// Arrange
var expected = $"Related assembly 'DoesNotExist' specified by assembly 'MyAssembly' could not be found in the directory {AssemblyDirectory}. Related assemblies must be co-located with the specifying assemblies.";
var assemblyPath = Path.Combine(AssemblyDirectory, "MyAssembly.dll");
var relatedAssembly = typeof(RelatedAssemblyPartTest).Assembly;
var assembly = new TestAssembly
{
AttributeAssembly = "RelatedAssembly"
};
var loadContext = new TestableAssemblyLoadContextWrapper
{
Assemblies =
{
["RelatedAssembly"] = relatedAssembly,
}
};
// Act
var result = RelatedAssemblyAttribute.GetRelatedAssemblies(assembly, throwOnError: true, file => false, loadContext);
// Assert
Assert.Equal(new[] { relatedAssembly }, result);
}
protected virtual IReadOnlyList <Assembly> GetRelatedAssemblies(Assembly assembly)
{
// Do not require related assemblies to be available in the default code path.
return(RelatedAssemblyAttribute.GetRelatedAssemblies(assembly, throwOnError: false));
}
public override object[] GetCustomAttributes(Type attributeType, bool inherit)
{
var attribute = new RelatedAssemblyAttribute(AttributeAssembly);
return(new[] { attribute });
}