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using VersOne.Epub.Internal;
using VersOne.Epub.Options;
using VersOne.Epub.Test.Unit.Mocks;
namespace VersOne.Epub.Test.Unit.Readers
{
public class RootFilePathReaderTests
{
private const string EPUB_CONTAINER_FILE_PATH = "META-INF/container.xml";
private const string ROOT_FILE_PATH_FOR_CORRECT_CONTAINER_FILE = "OEBPS/content.opf";
private const string CORRECT_CONTAINER_FILE = $"""
<?xml version='1.0' encoding='utf-8'?>
<container xmlns="urn:oasis:names:tc:opendocument:xmlns:container" version="1.0">
<rootfiles>
<rootfile media-type="application/oebps-package+xml" full-path="{ROOT_FILE_PATH_FOR_CORRECT_CONTAINER_FILE}" />
</rootfiles>
</container>
""";
private const string INCORRECT_CONTAINER_FILE_NO_FULL_PATH_ATTRIBUTE = $"""
<?xml version='1.0' encoding='utf-8'?>
<container xmlns="urn:oasis:names:tc:opendocument:xmlns:container" version="1.0">
<rootfiles>
<rootfile media-type="application/oebps-package+xml" />
</rootfiles>
</container>
""";
private const string INCORRECT_CONTAINER_FILE_NO_ROOTFILE_ELEMENT = $"""
<?xml version='1.0' encoding='utf-8'?>
<container xmlns="urn:oasis:names:tc:opendocument:xmlns:container" version="1.0">
<rootfiles>
</rootfiles>
</container>
""";
private const string INCORRECT_CONTAINER_FILE_NO_ROOTFILES_ELEMENT = $"""
<?xml version='1.0' encoding='utf-8'?>
<container xmlns="urn:oasis:names:tc:opendocument:xmlns:container" version="1.0">
</container>
""";
private const string INCORRECT_CONTAINER_FILE_NO_CONTAINER_ELEMENT = $"""
<?xml version='1.0' encoding='utf-8'?>
<test />
""";
[Fact(DisplayName = "Constructing a RootFilePathReader instance with a non-null epubReaderOptions parameter should succeed")]
public void ConstructorWithNonNullEpubReaderOptionsTest()
{
_ = new RootFilePathReader(new EpubReaderOptions());
}
[Fact(DisplayName = "Constructing a RootFilePathReader instance with a null epubReaderOptions parameter should succeed")]
public void ConstructorWithNullEpubReaderOptionsTest()
{
_ = new RootFilePathReader(null);
}
[Fact(DisplayName = "Getting root file path from a ZIP archive with a correct container file should succeed")]
public async Task TestGetRootFilePathAsyncWithCorrectContainerFile()
{
TestZipFile testZipFile = new();
testZipFile.AddEntry(EPUB_CONTAINER_FILE_PATH, CORRECT_CONTAINER_FILE);
RootFilePathReader rootFilePathReader = new();
string actualRootFilePath = await rootFilePathReader.GetRootFilePathAsync(testZipFile);
Assert.Equal(ROOT_FILE_PATH_FOR_CORRECT_CONTAINER_FILE, actualRootFilePath);
}
[Fact(DisplayName = "Getting root file path from a ZIP archive without a container file should throw EpubContainerException")]
public async Task TestGetRootFilePathAsyncWithNoContainerFile()
{
TestZipFile testZipFile = new();
RootFilePathReader rootFilePathReader = new();
await Assert.ThrowsAsync<EpubContainerException>(() => rootFilePathReader.GetRootFilePathAsync(testZipFile));
}
[Theory(DisplayName = "Getting root file path from a ZIP archive with an incorrect container file should throw EpubContainerException")]
[InlineData(INCORRECT_CONTAINER_FILE_NO_FULL_PATH_ATTRIBUTE)]
[InlineData(INCORRECT_CONTAINER_FILE_NO_ROOTFILE_ELEMENT)]
[InlineData(INCORRECT_CONTAINER_FILE_NO_ROOTFILES_ELEMENT)]
[InlineData(INCORRECT_CONTAINER_FILE_NO_CONTAINER_ELEMENT)]
public async Task TestGetRootFilePathAsyncWithIncorrectContainerFile(string containerFileContent)
{
TestZipFile testZipFile = new();
testZipFile.AddEntry(EPUB_CONTAINER_FILE_PATH, containerFileContent);
RootFilePathReader rootFilePathReader = new();
await Assert.ThrowsAsync<EpubContainerException>(() => rootFilePathReader.GetRootFilePathAsync(testZipFile));
}
}
}
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