public void Load_ReturnsEmptyObject_WhenNoSavedObjectExists()
{
var fileSystem = new MockFileSystem();
var store = new WindowsEncryptedStore <UserSettings>(fileSystem);
var result = store.Load();
result.Should().BeEquivalentTo(new UserSettings());
}
public void Load_ReturnsEmptyObject_WhenExceptionIsEncountered()
{
var fileSystem = A.Fake <IFileSystem>();
A.CallTo(() => fileSystem.File.ReadAllBytes(A <string> ._)).Throws <UnauthorizedAccessException>();
A.CallTo(() => fileSystem.File.Exists(A <string> ._)).Returns(true);
var store = new WindowsEncryptedStore <UserSettings>(fileSystem);
var settings = store.Load();
settings.Should().NotBeNull();
settings.Should().BeEquivalentTo(new UserSettings());
}
public void Load_CorrectlyRestoresSavedValue()
{
var fileSystem = new MockFileSystem();
var store = new WindowsEncryptedStore <UserSettings>(fileSystem);
var settings = _fixture.Create <UserSettings>();
store.Save(settings);
var result = store.Load();
result.Should().BeEquivalentTo(settings);
}
public void Save_WritesCipherAndEntropyToDisk()
{
var fileSystem = A.Fake <IFileSystem>();
var store = new WindowsEncryptedStore <UserSettings>(fileSystem);
var settings = new UserSettings {
BackupPassword = "******"
};
store.Save(settings);
A.CallTo(() => fileSystem.File.WriteAllBytes(A <string> .Ignored, A <byte[]> .Ignored)).MustHaveHappenedTwiceExactly();
}
public void Save_UsesSavedTypesSimpleNameAsCipherName()
{
var fileSystem = new MockFileSystem();
fileSystem.AddDirectory(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData));
var store = new WindowsEncryptedStore <UserSettings>(fileSystem);
var settings = _fixture.Create <UserSettings>();
store.Save(settings);
fileSystem.AllFiles.Select(f => fileSystem.Path.GetFileName(f)).Should()
.Contain("UserSettings", because: "If this name ever changes, it means a breaking change because Load will not find previously saved items.");
}
public void WindowsEncryptedStore_CreatesDataDirectory_WhenItDoesntExist()
{
var fileSystem = new MockFileSystem();
fileSystem.AddDirectory(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData));
var dataDirectory = fileSystem.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "JournalCli");
fileSystem.AllDirectories.Should().NotContain(dataDirectory);
var store = new WindowsEncryptedStore <UserSettings>(fileSystem);
var settings = _fixture.Create <UserSettings>();
store.Save(settings);
fileSystem.AllDirectories.Should().Contain(dataDirectory);
}