public async Task TestAppVariablesWithoutAsyncStorage()
{
// Arrange
var settingsMock = new Mock <ISettingsProvider>();
var appVariables = new TestAppVariables(settingsMock.Object, null);
// Act
var emptyData = appVariables.TestData.Value;
appVariables.TestData.Value = new TestData {
Hello = "Test"
};
var readData = appVariables.TestData.Value;
await Assert.ThrowsAsync <InvalidOperationException>(async() =>
await appVariables.TestData2.GetAsync());
await Assert.ThrowsAsync <InvalidOperationException>(async() =>
await appVariables.TestData2.SetAsync(new TestData {
Hello = "Test"
}));
var emptyAsyncData = appVariables.TestData2.Value;
// Assert
Assert.Null(emptyData);
Assert.NotNull(readData);
settingsMock.Verify(
provider => provider.SetString(It.Is <string>(s => s == "test.json"), It.IsAny <string>()));
settingsMock.Verify(
provider => provider.GetString(It.Is <string>(s => s == "test.json")));
Assert.Null(emptyAsyncData);
}
public async Task TestAppVariablesSavingAndLoading()
{
// Arrange
var settingsMock = new Mock <ISettingsProvider>();
var filestorageMock = new Mock <IFileStorageProvider>();
var dataCache = new DataCache(filestorageMock.Object);
var appVariables = new TestAppVariables(settingsMock.Object, dataCache);
// Act
var emptyData = appVariables.TestData.Value;
appVariables.TestData.Value = new TestData {
Hello = "Test"
};
var readData = appVariables.TestData.Value;
var emptyAsyncData = await appVariables.TestData2.GetAsync();
await appVariables.TestData2.SetAsync(new TestData { Hello = "Test" });
var readAsyncData = await appVariables.TestData2.GetAsync();
// Assert
Assert.Null(emptyData);
Assert.NotNull(readData);
settingsMock.Verify(
provider => provider.SetString(It.Is <string>(s => s == "test.json"), It.IsAny <string>()));
settingsMock.Verify(
provider => provider.GetString(It.Is <string>(s => s == "test.json")));
Assert.Null(emptyAsyncData);
Assert.NotNull(readAsyncData);
filestorageMock.Verify(
provider => provider.WriteText(It.Is <string>(s => s == "test.json"), It.IsAny <string>()), Times.Never);
filestorageMock.Verify(
provider => provider.ReadTextAsync(It.Is <string>(s => s == "test.json")), Times.Never);
}
public async Task TestAppVariablesExpiredData()
{
// Arrange
var settingsMock = new Mock <ISettingsProvider>();
var filestorageMock = new Mock <IFileStorageProvider>();
var dataCache = new DataCache(filestorageMock.Object);
var appVariables = new TestAppVariables(settingsMock.Object, dataCache);
var savedJson = string.Empty;
filestorageMock.Setup(provider => provider.WriteTextAsync(It.IsAny <string>(), It.IsAny <string>()))
.Callback <string, string>((s, s1) => savedJson = s1);
filestorageMock.Setup(provider => provider.ReadTextAsync(It.IsAny <string>()))
.Returns(() => Task.FromResult(savedJson));
// Act
try
{
await appVariables.TestData.SetAsync(new TestData());
}
catch (Exception)
{
//async mock exception
}
var readDataBeforeExpiration = await appVariables.TestData.GetAsync();
await Task.Delay(1100);
var readDataAfterExpiration = await appVariables.TestData.GetAsync();
// Assert
Assert.NotNull(readDataBeforeExpiration);
Assert.Null(readDataAfterExpiration);
}
