public void DeserializeTypes_ReturnsNullIfTypeNotFound()
{
string expectedFormat = @"<?xml version=""1.0"" encoding=""utf-16""?>
<!--This file is automatically generated. Please do not modify the contents of this file.-->
<typeCache lastModified=""__IGNORED__"" mvcVersionId=""{0}"">
<assembly name=""{1}"">
<module versionId=""{2}"">
<type>System.String</type>
<type>This.Type.Does.Not.Exist</type>
</module>
</assembly>
</typeCache>";
// Arrange
string expected = String.Format(expectedFormat,
GetMvidForType(typeof(TypeCacheSerializer)) /* mvcVersionId */,
_mscorlibAsmFullName /* assembly.name */,
GetMvidForType(typeof(object)) /* module.versionId */
);
TypeCacheSerializer serializer = new TypeCacheSerializer();
StringReader input = new StringReader(expected);
// Act
List<Type> deserializedTypes = serializer.DeserializeTypes(input);
// Assert
Assert.Null(deserializedTypes);
}
public void DeserializeTypes_ReturnsNullIfTypeNotFound()
{
string expectedFormat = @"<?xml version=""1.0"" encoding=""utf-16""?>
<!--This file is automatically generated. Please do not modify the contents of this file.-->
<typeCache lastModified=""__IGNORED__"" mvcVersionId=""{0}"">
<assembly name=""{1}"">
<module versionId=""{2}"">
<type>System.String</type>
<type>This.Type.Does.Not.Exist</type>
</module>
</assembly>
</typeCache>";
// Arrange
string expected = String.Format(expectedFormat,
GetMvidForType(typeof(TypeCacheSerializer)) /* mvcVersionId */,
_mscorlibAsmFullName /* assembly.name */,
GetMvidForType(typeof(object)) /* module.versionId */
);
TypeCacheSerializer serializer = new TypeCacheSerializer();
StringReader input = new StringReader(expected);
// Act
List <Type> deserializedTypes = serializer.DeserializeTypes(input);
// Assert
Assert.IsNull(deserializedTypes);
}
public void DeserializeTypes_Success()
{
// Arrange
string expected = String.Format(
_expectedDeserializationFormat,
GetMvidForType(
typeof(TypeCacheSerializer)
) /* mvcVersionId */
,
_mscorlibAsmFullName /* assembly.name */
,
GetMvidForType(typeof(object)) /* module.versionId */
);
TypeCacheSerializer serializer = new TypeCacheSerializer();
StringReader input = new StringReader(expected);
Type[] expectedTypes = new Type[] { typeof(string), typeof(object) };
// Act
List <Type> deserializedTypes = serializer.DeserializeTypes(input);
// Assert
Assert.Equal(expectedTypes, deserializedTypes.ToArray());
}
public void SerializeTypes()
{
// Arrange
DateTime expectedDate = new DateTime(2001, 1, 1, 0, 0, 0, DateTimeKind.Utc); // Jan 1, 2001 midnight UTC
string expectedFormat =
"<?xml version=\"1.0\" encoding=\"utf-16\"?>"
+ Environment.NewLine
+ "<!--This file is automatically generated. Please do not modify the contents of this file.-->"
+ Environment.NewLine
+ "<typeCache lastModified=\"{0}\" mvcVersionId=\"{1}\">"
+ Environment.NewLine
+ " <assembly name=\"{2}\">"
+ Environment.NewLine
+ " <module versionId=\"{3}\">"
+ Environment.NewLine
+ " <type>System.String</type>"
+ Environment.NewLine
+ " <type>System.Object</type>"
+ Environment.NewLine
+ " </module>"
+ Environment.NewLine
+ " </assembly>"
+ Environment.NewLine
+ "</typeCache>";
string expected = String.Format(
CultureInfo.InvariantCulture,
expectedFormat,
expectedDate /* lastModified */
,
GetMvidForType(
typeof(TypeCacheSerializer)
) /* mvcVersionId */
,
_mscorlibAsmFullName /* assembly.name */
,
GetMvidForType(typeof(object)) /* module.versionId */
);
Type[] typesToSerialize = new Type[] { typeof(string), typeof(object) };
TypeCacheSerializer serializer = new TypeCacheSerializer();
serializer.CurrentDateOverride = expectedDate;
StringWriter output = new StringWriter();
// Act
serializer.SerializeTypes(typesToSerialize, output);
string outputString = output.ToString();
// Assert
Assert.Equal(expected, outputString);
}
//读取全部是从缓存文件中读，若为空先写入缓存，再读取。（基本上所有的涉及缓存的操作都是这么个套路）
public static IEnumerable<Type> GetFilteredTypesFromAssemblies(string cacheName,IBuildManager buildManager,Predicate<Type> predict)
{
TypeCacheSerializer serializer = new TypeCacheSerializer();
IEnumerable<Type> matchingTypes = ReadTypesFromCache(cacheName,predict,buildManager,serializer);
if (matchingTypes!=null)
{
return matchingTypes;
}
matchingTypes = FilterTypesInAssemblies(buildManager,predict);
SaveTypesToCache(cacheName,matchingTypes,buildManager,serializer);
return matchingTypes;
}
public void DeserializeTypes_ReturnsNullIfMvcVersionIdDoesNotMatch()
{
// Arrange
string expected = String.Format(_expectedDeserializationFormat,
Guid.Empty /* mvcVersionId */,
_mscorlibAsmFullName /* assembly.name */,
GetMvidForType(typeof(object)) /* module.versionId */
);
TypeCacheSerializer serializer = new TypeCacheSerializer();
StringReader input = new StringReader(expected);
// Act
List<Type> deserializedTypes = serializer.DeserializeTypes(input);
// Assert
Assert.Null(deserializedTypes);
}
public void DeserializeTypes_ReturnsNullIfMvcVersionIdDoesNotMatch()
{
// Arrange
string expected = String.Format(_expectedDeserializationFormat,
Guid.Empty /* mvcVersionId */,
_mscorlibAsmFullName /* assembly.name */,
GetMvidForType(typeof(object)) /* module.versionId */
);
TypeCacheSerializer serializer = new TypeCacheSerializer();
StringReader input = new StringReader(expected);
// Act
List <Type> deserializedTypes = serializer.DeserializeTypes(input);
// Assert
Assert.IsNull(deserializedTypes);
}
public void SaveToCache_ReadFromCache_Success()
{
//
// SAVING
//
// Arrange
Type[] expectedTypes = new Type[]
{
typeof(object),
typeof(string)
};
TypeCacheSerializer serializer = new TypeCacheSerializer();
string cacheName = "testCache";
MockBuildManager buildManager = new MockBuildManager();
// Act
TypeCacheUtil.SaveTypesToCache(cacheName, expectedTypes, buildManager, serializer);
// Assert
MemoryStream writeStream = buildManager.CachedFileStore[cacheName] as MemoryStream;
Assert.NotNull(writeStream);
byte[] streamContents = writeStream.ToArray();
Assert.NotEqual(0, streamContents.Length);
//
// READING
//
// Arrange
MemoryStream readStream = new MemoryStream(streamContents);
buildManager.CachedFileStore[cacheName] = readStream;
// Act
List <Type> returnedTypes = TypeCacheUtil.ReadTypesFromCache(cacheName, _ => true /* all types are valid */, buildManager, serializer);
// Assert
Assert.Equal(expectedTypes, returnedTypes.ToArray());
}
public void SaveToCache_ReadFromCache_ReturnsNullIfTypesAreInvalid()
{
//
// SAVING
//
// Arrange
Type[] expectedTypes = new Type[] {
typeof(object),
typeof(string)
};
TypeCacheSerializer serializer = new TypeCacheSerializer();
string cacheName = "testCache";
MockBuildManager buildManager = new MockBuildManager();
// Act
TypeCacheUtil.SaveTypesToCache(cacheName, expectedTypes, buildManager, serializer);
// Assert
MemoryStream writeStream = buildManager.CachedFileStore[cacheName] as MemoryStream;
Assert.IsNotNull(writeStream, "Stream should've been created.");
byte[] streamContents = writeStream.ToArray();
Assert.AreNotEqual(0, streamContents.Length, "Data should've been written to the stream.");
//
// READING
//
// Arrange
MemoryStream readStream = new MemoryStream(streamContents);
buildManager.CachedFileStore[cacheName] = readStream;
// Act
List <Type> returnedTypes = TypeCacheUtil.ReadTypesFromCache(cacheName, _ => false /* all types are invalid */, buildManager, serializer);
// Assert
Assert.IsNull(returnedTypes);
}
public void SaveToCache_ReadFromCache_ReturnsNullIfTypesAreInvalid()
{
//
// SAVING
//
// Arrange
Type[] expectedTypes = new Type[]
{
typeof(object),
typeof(string)
};
TypeCacheSerializer serializer = new TypeCacheSerializer();
string cacheName = "testCache";
MockBuildManager buildManager = new MockBuildManager();
// Act
TypeCacheUtil.SaveTypesToCache(cacheName, expectedTypes, buildManager, serializer);
// Assert
MemoryStream writeStream = buildManager.CachedFileStore[cacheName] as MemoryStream;
Assert.NotNull(writeStream);
byte[] streamContents = writeStream.ToArray();
Assert.NotEqual(0, streamContents.Length);
//
// READING
//
// Arrange
MemoryStream readStream = new MemoryStream(streamContents);
buildManager.CachedFileStore[cacheName] = readStream;
// Act
List<Type> returnedTypes = TypeCacheUtil.ReadTypesFromCache(cacheName, _ => false /* all types are invalid */, buildManager, serializer);
// Assert
Assert.Null(returnedTypes);
}
public void DeserializeTypes_Success()
{
// Arrange
string expected = String.Format(_expectedDeserializationFormat,
GetMvidForType(typeof(TypeCacheSerializer)) /* mvcVersionId */,
_mscorlibAsmFullName /* assembly.name */,
GetMvidForType(typeof(object)) /* module.versionId */
);
TypeCacheSerializer serializer = new TypeCacheSerializer();
StringReader input = new StringReader(expected);
Type[] expectedTypes = new Type[]
{
typeof(string),
typeof(object)
};
// Act
List<Type> deserializedTypes = serializer.DeserializeTypes(input);
// Assert
Assert.Equal(expectedTypes, deserializedTypes.ToArray());
}
public void SerializeTypes()
{
// Arrange
DateTime expectedDate = new DateTime(2001, 1, 1, 0, 0, 0, DateTimeKind.Utc); // Jan 1, 2001 midnight UTC
string expectedFormat = @"<?xml version=""1.0"" encoding=""utf-16""?>
<!--This file is automatically generated. Please do not modify the contents of this file.-->
<typeCache lastModified=""{0}"" mvcVersionId=""{1}"">
<assembly name=""{2}"">
<module versionId=""{3}"">
<type>System.String</type>
<type>System.Object</type>
</module>
</assembly>
</typeCache>";
string expected = String.Format(expectedFormat,
expectedDate /* lastModified */,
GetMvidForType(typeof(TypeCacheSerializer)) /* mvcVersionId */,
_mscorlibAsmFullName /* assembly.name */,
GetMvidForType(typeof(object)) /* module.versionId */
);
Type[] typesToSerialize = new Type[]
{
typeof(string),
typeof(object)
};
TypeCacheSerializer serializer = new TypeCacheSerializer();
serializer.CurrentDateOverride = expectedDate;
StringWriter output = new StringWriter();
// Act
serializer.SerializeTypes(typesToSerialize, output);
string outputString = output.ToString();
// Assert
Assert.Equal(expected, outputString);
}
//为了提升性能，这里提供基于文件的缓存策略，而不需要每次重新遍历
private static IEnumerable<Type> ReadTypesFromCache(string cacheName,Predicate<Type> predict,IBuildManager buildManager,TypeCacheSerializer serializer)
{
return null; //涉及到文件又不会了。。。
}
public static void SaveTypesToCache(string cacheName,IEnumerable<Type> matchingTypes,IBuildManager builderManager,TypeCacheSerializer serializer)
{
}
public void SerializeTypes()
{
// Arrange
DateTime expectedDate = new DateTime(2001, 1, 1, 0, 0, 0, DateTimeKind.Utc); // Jan 1, 2001 midnight UTC
string expectedFormat =
"<?xml version=\"1.0\" encoding=\"utf-16\"?>" + Environment.NewLine
+ "<!--This file is automatically generated. Please do not modify the contents of this file.-->" + Environment.NewLine
+ "<typeCache lastModified=\"{0}\" mvcVersionId=\"{1}\">" + Environment.NewLine
+ " <assembly name=\"{2}\">" + Environment.NewLine
+ " <module versionId=\"{3}\">" + Environment.NewLine
+ " <type>System.String</type>" + Environment.NewLine
+ " <type>System.Object</type>" + Environment.NewLine
+ " </module>" + Environment.NewLine
+ " </assembly>" + Environment.NewLine
+ "</typeCache>";
string expected = String.Format(System.Globalization.CultureInfo.InvariantCulture, expectedFormat,
expectedDate /* lastModified */,
GetMvidForType(typeof(TypeCacheSerializer)) /* mvcVersionId */,
_mscorlibAsmFullName /* assembly.name */,
GetMvidForType(typeof(object)) /* module.versionId */
);
Type[] typesToSerialize = new Type[]
{
typeof(string),
typeof(object)
};
TypeCacheSerializer serializer = new TypeCacheSerializer();
serializer.CurrentDateOverride = expectedDate;
StringWriter output = new StringWriter();
// Act
serializer.SerializeTypes(typesToSerialize, output);
string outputString = output.ToString();
// Assert
Assert.Equal(expected, outputString);
}
