public void GetFileInfo_SampleHtmlInputShouldMatchExpected(string testName)
{
var inputText = TestFileSource.ReadEmbeddedTextFile("HtmlRewriter", $"{testName}_input.html");
var expectedText = TestFileSource.ReadEmbeddedTextFile("HtmlRewriter", $"{testName}_expected.html");
mockFileProvider.SetFileInfo("index.html", inputText);
mockHttpContextAccessor.PathBase = "/path/to/";
var options = new UrlRewriteSpaStaticFilesOptions
{
SourcePathBase = "./",
};
using var urlRewriteFileProvider = new UrlRewriteFileProvider(mockFileProvider, mockHttpContextAccessor, options);
var actual = urlRewriteFileProvider.GetFileInfo("index.html");
Assert.Equal("index.html", actual.Name);
Assert.True(actual.Exists);
using var actualReadStream = actual.CreateReadStream();
using var actualReader = new StreamReader(actualReadStream);
var actualText = actualReader.ReadToEnd();
Assert.Equal(expectedText, actualText);
Assert.Null(actual.PhysicalPath);
Assert.True(actual.LastModified > MockFileProvider.DefaultModifiedTime);
Assert.Equal(actual.Length, Encoding.UTF8.GetBytes(expectedText).Length);
}
public void GetFileInfo_MinimalSampleHtmlFile_CustomRewriter()
{
mockFileProvider.SetFileInfo("test.html", "<html />");
var options = new UrlRewriteSpaStaticFilesOptions
{
Rewriters = new[]
{
new HelloWorldRewriter(),
},
};
using var urlRewriteFileProvider = new UrlRewriteFileProvider(mockFileProvider, mockHttpContextAccessor, options);
var actual = urlRewriteFileProvider.GetFileInfo("test.html");
Assert.Equal("test.html", actual.Name);
Assert.True(actual.Exists);
using var actualReadStream = actual.CreateReadStream();
using var actualReader = new StreamReader(actualReadStream);
var actualText = actualReader.ReadToEnd();
Assert.Equal("Hello, world!", actualText);
Assert.Equal(13, actual.Length);
Assert.Null(actual.PhysicalPath);
Assert.True(actual.LastModified > MockFileProvider.DefaultModifiedTime);
}
public void GetFileInfo_FileDoesNotExist()
{
var options = new UrlRewriteSpaStaticFilesOptions();
using var urlRewriteFileProvider = new UrlRewriteFileProvider(mockFileProvider, mockHttpContextAccessor, options);
var actual = urlRewriteFileProvider.GetFileInfo("test.html");
Assert.Equal("test.html", actual.Name);
Assert.False(actual.Exists);
}
public void GetFileInfo_MinimalSampleHtmlFile_MaxFileLengthForRewrite(int maxInputLengthOffset)
{
var inputText = "<base href=\"./\" />";
var inputLength = Encoding.UTF8.GetBytes(inputText).Length;
mockFileProvider.SetFileInfo("test.html", inputText);
mockHttpContextAccessor.PathBase = "/virtual";
var options = new UrlRewriteSpaStaticFilesOptions
{
SourcePathBase = "./",
MaxFileLengthForRewrite = inputLength + maxInputLengthOffset,
};
using var urlRewriteFileProvider = new UrlRewriteFileProvider(mockFileProvider, mockHttpContextAccessor, options);
var actual = urlRewriteFileProvider.GetFileInfo("test.html");
Assert.Equal("test.html", actual.Name);
Assert.True(actual.Exists);
using var actualReadStream = actual.CreateReadStream();
using var actualReader = new StreamReader(actualReadStream);
var actualText = actualReader.ReadToEnd();
if (maxInputLengthOffset < 0)
{
Assert.Equal(inputText, actualText);
Assert.NotNull(actual.PhysicalPath);
Assert.Equal(MockFileProvider.DefaultModifiedTime, actual.LastModified);
Assert.Equal(actual.Length, inputLength);
}
else
{
Assert.Equal("<base href=\"/virtual/\" />", actualText);
Assert.Null(actual.PhysicalPath);
Assert.True(actual.LastModified > MockFileProvider.DefaultModifiedTime);
Assert.True(actual.Length > inputLength);
}
}
public void GetFileInfo_MinimalSampleHtmlFile_NoChanges()
{
mockFileProvider.SetFileInfo("test.html", "<html />");
var options = new UrlRewriteSpaStaticFilesOptions();
using var urlRewriteFileProvider = new UrlRewriteFileProvider(mockFileProvider, mockHttpContextAccessor, options);
var actual = urlRewriteFileProvider.GetFileInfo("test.html");
Assert.Equal("test.html", actual.Name);
Assert.True(actual.Exists);
using var actualReadStream = actual.CreateReadStream();
using var actualReader = new StreamReader(actualReadStream);
var actualText = actualReader.ReadToEnd();
Assert.Equal("<html />", actualText);
Assert.Equal(8, actual.Length);
Assert.EndsWith("test.html", actual.PhysicalPath, StringComparison.Ordinal);
Assert.Equal(MockFileProvider.DefaultModifiedTime, actual.LastModified);
}
public void GetFileInfo_MinimalSampleHtmlFile_SourceAndTargetPathBaseSelectors()
{
mockFileProvider.SetFileInfo("test.html", "<base href=\"./root/path/\" />");
mockHttpContextAccessor.PathBase = "/virtual";
var options = new UrlRewriteSpaStaticFilesOptions
{
SourcePathBaseSelector = (request) => "./root/",
TargetPathBaseSelector = (request) => (request?.PathBase ?? string.Empty) + "/newroot/",
};
using var urlRewriteFileProvider = new UrlRewriteFileProvider(mockFileProvider, mockHttpContextAccessor, options);
var actual = urlRewriteFileProvider.GetFileInfo("test.html");
Assert.Equal("test.html", actual.Name);
Assert.True(actual.Exists);
using var actualReadStream = actual.CreateReadStream();
using var actualReader = new StreamReader(actualReadStream);
var actualText = actualReader.ReadToEnd();
Assert.Equal("<base href=\"/virtual/newroot/path/\" />", actualText);
}