public void NullItem()
{
Builder builder = new Builder();
StrategyChain strategies = new StrategyChain();
Assert.Throws <ArgumentNullException>(
delegate
{
builder.TearDown <object>(null, null, null, strategies, null);
});
}
public void EmptyStrategies()
{
Builder builder = new Builder();
StrategyChain strategies = new StrategyChain();
Assert.Throws <ArgumentNullException>(
delegate
{
builder.TearDown(null, null, null, strategies, new object());
});
}
public void StrategyStagesRunInProperOrder()
{
Builder builder = new Builder();
StrategyChain strategies = new StrategyChain();
strategies.Add(new StringConcatStrategy("1"));
strategies.Add(new StringConcatStrategy("2"));
strategies.Add(new StringConcatStrategy("3"));
strategies.Add(new StringConcatStrategy("4"));
string s = builder.BuildUp <string>(null, null, null, strategies, null, null);
Assert.Equal("1234", s);
}
public void StrategiesRunInReverseOrder()
{
Builder builder = new Builder();
StrategyChain strategies = new StrategyChain();
strategies.Add(new StringConcatStrategy("1"));
strategies.Add(new StringConcatStrategy("2"));
strategies.Add(new StringConcatStrategy("3"));
strategies.Add(new StringConcatStrategy("4"));
string s = builder.TearDown(null, null, null, strategies, "");
Assert.Equal("4321", s);
}
public void InnerStrategiesComeBeforeOuterStrategiesInStrategyChain()
{
StagedStrategyChain <FakeStage> innerChain = new StagedStrategyChain <FakeStage>();
StagedStrategyChain <FakeStage> outerChain = new StagedStrategyChain <FakeStage>(innerChain);
FakeStrategy innerStrategy = new FakeStrategy();
FakeStrategy outerStrategy = new FakeStrategy();
innerChain.Add(innerStrategy, FakeStage.Stage1);
outerChain.Add(outerStrategy, FakeStage.Stage1);
StrategyChain chain = outerChain.MakeStrategyChain();
AssertOrder(chain, innerStrategy, outerStrategy);
}
public StrategyChain MakeStrategyChain()
{
lock (lockObject)
{
StrategyChain result = new StrategyChain();
foreach (TStageEnum stage in stageValues)
{
result.AddRange(GetStrategiesInStage(stage));
}
return(result);
}
}
public void PoliciesSetDuringBuildUpDoNotPersistAfterBuildUpComplete()
{
Builder builder = new Builder();
PolicyList policies = new PolicyList();
StrategyChain strategies = new StrategyChain();
PolicySettingStrategy setStrategy = new PolicySettingStrategy();
PolicyGettingStrategy getStrategy = new PolicyGettingStrategy();
strategies.Add(setStrategy);
strategies.Add(getStrategy);
builder.BuildUp <object>(null, null, policies, strategies, null, null);
Assert.Same(setStrategy.Policy, getStrategy.Policy);
Assert.Null(policies.Get <FakePolicy>(typeof(object)));
}
public void MultipleChildContainers()
{
StagedStrategyChain <FakeStage> innerChain = new StagedStrategyChain <FakeStage>();
StagedStrategyChain <FakeStage> outerChain = new StagedStrategyChain <FakeStage>(innerChain);
StagedStrategyChain <FakeStage> superChain = new StagedStrategyChain <FakeStage>(outerChain);
FakeStrategy innerStrategy = new FakeStrategy();
FakeStrategy outerStrategy = new FakeStrategy();
FakeStrategy superStrategy = new FakeStrategy();
innerChain.Add(innerStrategy, FakeStage.Stage1);
outerChain.Add(outerStrategy, FakeStage.Stage1);
superChain.Add(superStrategy, FakeStage.Stage1);
StrategyChain chain = superChain.MakeStrategyChain();
AssertOrder(chain, innerStrategy, outerStrategy, superStrategy);
}
public void OrderingAcrossStagesForStrategyChain()
{
StagedStrategyChain <FakeStage> innerChain = new StagedStrategyChain <FakeStage>();
StagedStrategyChain <FakeStage> outerChain = new StagedStrategyChain <FakeStage>(innerChain);
FakeStrategy innerStage1 = new FakeStrategy();
FakeStrategy innerStage2 = new FakeStrategy();
FakeStrategy outerStage1 = new FakeStrategy();
FakeStrategy outerStage2 = new FakeStrategy();
innerChain.Add(innerStage1, FakeStage.Stage1);
innerChain.Add(innerStage2, FakeStage.Stage2);
outerChain.Add(outerStage1, FakeStage.Stage1);
outerChain.Add(outerStage2, FakeStage.Stage2);
StrategyChain chain = outerChain.MakeStrategyChain();
AssertOrder(chain, innerStage1, outerStage1, innerStage2, outerStage2);
}
public IBuilderStrategy FindStrategy(Predicate <IBuilderStrategy> match)
{
// TODO: This is pretty non-optimal; chains should be enumerable, even staged chains
StrategyChain chain = strategies.MakeStrategyChain();
IBuilderStrategy strategy = chain.Head;
while (strategy != null)
{
if (match(strategy))
{
return(strategy);
}
strategy = chain.GetNext(strategy);
}
return(null);
}