public async Task Json_BackwardsCompatible_ETag_Writes()
{
var jsonSettings = new JsonSerializerSettings()
{
TypeNameHandling = TypeNameHandling.All,
PreserveReferencesHandling = PreserveReferencesHandling.Objects,
DateFormatHandling = DateFormatHandling.IsoDateFormat,
DefaultValueHandling = DefaultValueHandling.Ignore,
MissingMemberHandling = MissingMemberHandling.Ignore,
NullValueHandling = NullValueHandling.Ignore,
ConstructorHandling = ConstructorHandling.AllowNonPublicDefaultConstructor,
};
var now = DateTime.UtcNow;
var guid = Guid.NewGuid();
var state = new JsonTestGrainState
{
StringValue = "string value",
DateTimeValue = now,
GuidValue = guid,
IntValue = 12345,
GrainValue = _cluster.GrainFactory.GetGrain <IJsonTestGrain>(2222)
};
var testState = JsonConvert.SerializeObject(state, jsonSettings);
var grain = _cluster.GrainFactory.GetGrain <IJsonTestGrain>(12345999);
var grainRef = await grain.GetReference();
var key = $"{grainRef.ToKeyString()}|json";
await _fixture.Database.StringSetAsync(key, testState);
var result = await grain.Get();
Assert.Equal(state.StringValue, result.Item1);
Assert.Equal(state.IntValue, result.Item2);
Assert.Equal(state.DateTimeValue, result.Item3);
Assert.Equal(state.GuidValue, result.Item4);
Assert.Equal(state.GrainValue.GetPrimaryKeyLong(), result.Item5.GetPrimaryKeyLong());
// Verify that state can be written after migration
var newString = "New string value";
var newNow = DateTime.UtcNow;
var newGuid = Guid.NewGuid();
var newInt = 54321;
var newGrain = _cluster.GrainFactory.GetGrain <IJsonTestGrain>(2222);
await grain.Set(newString, newInt, newNow, newGuid, newGrain);
var resultAfterWrite = await grain.Get();
Assert.Equal(newString, resultAfterWrite.Item1);
Assert.Equal(newInt, resultAfterWrite.Item2);
Assert.Equal(newNow, resultAfterWrite.Item3);
Assert.Equal(newGuid, resultAfterWrite.Item4);
Assert.Equal(newGrain.GetPrimaryKeyLong(), resultAfterWrite.Item5.GetPrimaryKeyLong());
}
public async Task Json_BackwardsCompatible_MigrationFailsAtRead_MigrationAttemptedAtWrite(bool flushScriptsCacheBeforeMigration)
{
var jsonSettings = new JsonSerializerSettings()
{
TypeNameHandling = TypeNameHandling.All,
PreserveReferencesHandling = PreserveReferencesHandling.Objects,
DateFormatHandling = DateFormatHandling.IsoDateFormat,
DefaultValueHandling = DefaultValueHandling.Ignore,
MissingMemberHandling = MissingMemberHandling.Ignore,
NullValueHandling = NullValueHandling.Ignore,
ConstructorHandling = ConstructorHandling.AllowNonPublicDefaultConstructor,
};
var now = DateTime.UtcNow;
var guid = Guid.NewGuid();
var state = new JsonTestGrainState
{
StringValue = "string value",
DateTimeValue = now,
GuidValue = guid,
IntValue = 12345,
GrainValue = _cluster.GrainFactory.GetGrain <IJsonTestGrain>(2222)
};
var testState = JsonConvert.SerializeObject(state, jsonSettings);
var grain = _cluster.GrainFactory.GetGrain <IJsonTestGrain>(12345999);
var grainRef = await grain.GetReference();
var key = $"{grainRef.ToKeyString()}|json";
await _fixture.Database.StringSetAsync(key, testState);
var result = await grain.Get();
Assert.Equal(state.StringValue, result.Item1);
Assert.Equal(state.IntValue, result.Item2);
Assert.Equal(state.DateTimeValue, result.Item3);
Assert.Equal(state.GuidValue, result.Item4);
Assert.Equal(state.GrainValue.GetPrimaryKeyLong(), result.Item5.GetPrimaryKeyLong());
// Ugly hack to reset the state to the old format
// First delete the hash that was created in the read.
await _fixture.Database.KeyDeleteAsync(key);
// Revert key to a simple key value
await _fixture.Database.StringSetAsync(key, testState);
if (flushScriptsCacheBeforeMigration)
{
await _fixture.Database.ExecuteAsync("SCRIPT", "FLUSH", "SYNC");
}
// Verify that state can be written
var newString = "New string value";
var newNow = DateTime.UtcNow;
var newGuid = Guid.NewGuid();
var newInt = 54321;
var newGrain = _cluster.GrainFactory.GetGrain <IJsonTestGrain>(2222);
await grain.Set(newString, newInt, newNow, newGuid, newGrain);
var resultAfterWrite = await grain.Get();
Assert.Equal(newString, resultAfterWrite.Item1);
Assert.Equal(newInt, resultAfterWrite.Item2);
Assert.Equal(newNow, resultAfterWrite.Item3);
Assert.Equal(newGuid, resultAfterWrite.Item4);
Assert.Equal(newGrain.GetPrimaryKeyLong(), resultAfterWrite.Item5.GetPrimaryKeyLong());
}