public void EpsilonGreedy()
{
uint numActions = 10;
float epsilon = 0f;
string uniqueKey = "ManagedTestId";
TestRecorder <TestContext> recorder = new TestRecorder <TestContext>();
TestPolicy policy = new TestPolicy();
MwtExplorer <TestContext> mwtt = new MwtExplorer <TestContext>("mwt", recorder);
TestContext testContext = new TestContext();
testContext.Id = 100;
var explorer = new EpsilonGreedyExplorer <TestContext>(policy, epsilon, numActions);
uint expectedAction = policy.ChooseAction(testContext);
uint chosenAction = mwtt.ChooseAction(explorer, uniqueKey, testContext);
Assert.AreEqual(expectedAction, chosenAction);
chosenAction = mwtt.ChooseAction(explorer, uniqueKey, testContext);
Assert.AreEqual(expectedAction, chosenAction);
var interactions = recorder.GetAllInteractions();
Assert.AreEqual(2, interactions.Count);
Assert.AreEqual(testContext.Id, interactions[0].Context.Id);
}
public void TauFirst()
{
uint numActions = 10;
uint tau = 0;
string uniqueKey = "ManagedTestId";
TestRecorder <TestContext> recorder = new TestRecorder <TestContext>();
TestPolicy policy = new TestPolicy();
MwtExplorer <TestContext> mwtt = new MwtExplorer <TestContext>("mwt", recorder);
TestContext testContext = new TestContext()
{
Id = 100
};
var explorer = new TauFirstExplorer <TestContext>(policy, tau, numActions);
uint expectedAction = policy.ChooseAction(testContext);
uint chosenAction = mwtt.ChooseAction(explorer, uniqueKey, testContext);
Assert.AreEqual(expectedAction, chosenAction);
var interactions = recorder.GetAllInteractions();
Assert.AreEqual(0, interactions.Count);
}
private static void EpsilonGreedyWithContext <TContext>(uint numActions, TContext testContext, TestPolicy <TContext> policy, IExplorer <TContext> explorer)
where TContext : TestContext
{
string uniqueKey = "ManagedTestId";
TestRecorder <TContext> recorder = new TestRecorder <TContext>();
MwtExplorer <TContext> mwtt = new MwtExplorer <TContext>("mwt", recorder);
testContext.Id = 100;
uint expectedAction = policy.ChooseAction(testContext);
uint chosenAction = mwtt.ChooseAction(explorer, uniqueKey, testContext);
Assert.AreEqual(expectedAction, chosenAction);
chosenAction = mwtt.ChooseAction(explorer, uniqueKey, testContext);
Assert.AreEqual(expectedAction, chosenAction);
var interactions = recorder.GetAllInteractions();
Assert.AreEqual(2, interactions.Count);
Assert.AreEqual(testContext.Id, interactions[0].Context.Id);
// Verify that policy action is chosen all the time
explorer.EnableExplore(false);
for (int i = 0; i < 1000; i++)
{
chosenAction = mwtt.ChooseAction(explorer, uniqueKey, testContext);
Assert.AreEqual(expectedAction, chosenAction);
}
}