package net.pterodactylus.rhynodge.mergers

import net.pterodactylus.rhynodge.State
import net.pterodactylus.rhynodge.states.StateManagerTest.TestState
import org.hamcrest.MatcherAssert.assertThat
import org.hamcrest.Matchers.equalTo
import org.junit.Test

class LastStateMergerTest {

	@Test
	fun `merging states returns the current state`() {
		val mergedState = merger.mergeStates(previousState, successfulState)
		assertThat(mergedState.time(), equalTo(successfulState.time()))
		assertThat(mergedState.success(), equalTo(successfulState.success()))
		assertThat(mergedState.failCount(), equalTo(successfulState.failCount()))
		assertThat(mergedState.exception(), equalTo(successfulState.exception()))
	}

	@Test
	fun `returned state is always triggered`() {
		assertThat(merger.mergeStates(previousState, successfulState).triggered(), equalTo(true))
	}

	private val merger = LastStateMerger()
	private val previousState = TestState(false)
	private val successfulState: State = TestState(true)

}