public async Task TestReplaceAndRemove()
{
var key1 = "key1";
var value1 = "value1";
var fallback1 = "fallback1";
var s1 = new InMemoryKeyValueStore();
var s2 = NewFileBasedKeyValueStore("TestReplaceAndRemoveDir").WithFallbackStore(s1);
var s3 = new InMemoryKeyValueStore().WithFallbackStore(s2);
await s1.Set(key1, value1);
// Test that replace with same value via s3 returns the old value (which is also value1):
Assert.Equal(value1, await s3.Set(key1, value1));
// s3 will ask s2 which will ask s1 so the value will be returned correctly:
Assert.Equal(value1, await s3.Get(key1, fallback1));
Assert.Single(await s3.GetAllKeys());
Assert.True(await s3.Remove(key1));
// Setting it again will return null since it was removed from all stores:
Assert.Null(await s3.Set(key1, value1));
Assert.True(await s1.Remove(key1)); // Remove it only from s1
Assert.Equal(value1, await s3.Get(key1, fallback1)); // Still cached in s3 and s2
// s1 had the key already removed, so the combined remove result will be false:
Assert.False(await s3.Remove(key1));
}
public void RemoveWithHash_ExistingKeyValue_RemoveSuccessful()
{
// Arrange
_inMemoryStore.InMemoryStore.TryAdd("existing-key", new HashedValue <object> {
Value = "existing-value", Hash = "existing-hash"
});
// Act
var removeResult = _inMemoryStore.Remove("existing-key", "existing-hash");
// Assert
removeResult.Should().Be(true);
_inMemoryStore.InMemoryStore.Keys.Should().NotContain(k => k == "existing-key");
}