public async Task ClearsTheDataWhenCallingClearFunction()
{
var testCounter = new TestCounter();
var lss = new LineStateSaver();
await lss.Save(() => testCounter.SimpleCallAsync(15));
lss.Clear();
await lss.Save(() => testCounter.SimpleCallAsync(15));
Assert.Equal(2, testCounter.CallCount);
}
public async Task CorrectlySerializesSimpleObject()
{
string fileName = $"{nameof(CorrectlySerializesSimpleObject)}.json";
if (File.Exists(fileName))
{
File.Delete(fileName);
}
var testCounter = new TestCounter();
var lss1 = new LineStateSaver(fileName);
var result1 = await lss1.Save(() => testCounter.SimpleCallAsync(16));
var lss2 = new LineStateSaver(fileName);
var result2 = await lss2.Save(() => testCounter.SimpleCallAsync(16));
Assert.Equal(result1, result2);
Assert.Equal(1, testCounter.CallCount);
File.Delete(fileName);
}
public async Task OnlyCallsMethodOncePerSimpleObject()
{
var testCounter = new TestCounter();
var lss = new LineStateSaver();
await lss.Save(() => testCounter.SimpleCallAsync(15));
await lss.Save(() => testCounter.SimpleCallAsync(15));
await lss.Save(() => testCounter.SimpleCallAsync(17));
await lss.Save(() => testCounter.SimpleCallAsync(15));
await lss.Save(() => testCounter.SimpleCallAsync(17));
await lss.Save(() => testCounter.SimpleCallAsync(15, 17));
await lss.Save(() => testCounter.SimpleUnrelatedCallAsync(17));
Assert.Equal(2, testCounter.CallCount);
Assert.Equal(1, testCounter.DoubleParametersCallCount);
Assert.Equal(1, testCounter.UnrelatedCallCount);
}
public async Task ThrowsExceptionWhenMethodCallIsProvidedWithNestedMethodCalls()
{
var testCounter = new TestCounter();
var lss = new LineStateSaver();
var ex = await Assert.ThrowsAsync<InvalidOperationException>(() => lss.Save(() => testCounter.SimpleCallAsync(int.Parse("5"))));
Assert.Contains("is not of type MemberExpression or ConstantExpression", ex.Message);
}