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Merge pull request #134 from tkrs/test/connection
Add Connection's spec
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package fluflu | ||
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|
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| import java.io.IOException | ||
| import java.net.InetSocketAddress | ||
| import java.nio.ByteBuffer | ||
| import java.nio.channels.SocketChannel | ||
| import java.time.{Clock, Duration} | ||
| import java.util.concurrent.LinkedBlockingDeque | ||
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|
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| import org.scalatest.{FunSpec, Matchers} | ||
| import org.scalatest.mockito.MockitoSugar | ||
| import org.mockito.Mockito._ | ||
| import org.mockito.invocation.InvocationOnMock | ||
| import org.mockito.stubbing.Answer | ||
|
|
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| class ConnectionSpec extends FunSpec with MockitoSugar with Matchers { | ||
| import Connection.ConnectionImpl | ||
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| implicit val clock: Clock = Clock.systemUTC() | ||
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| val address: InetSocketAddress = mock[InetSocketAddress] | ||
| val duration: Duration = Duration.ofSeconds(1) | ||
| val backoff: Backoff = Backoff.fix(duration) | ||
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| describe("constructor") { | ||
| it("should create instance successfully with retry some time") { | ||
| val isConnectedAnswers = new LinkedBlockingDeque[Boolean]() | ||
| isConnectedAnswers.add(false) | ||
| isConnectedAnswers.add(false) | ||
| isConnectedAnswers.add(true) | ||
| val arg = ByteBuffer.wrap(Array(1, 2, 3).map(_.toByte)) | ||
| val channelMock = mock[SocketChannel] | ||
| when(channelMock.isConnected).thenAnswer(new Answer[Boolean] { | ||
| override def answer(invocation: InvocationOnMock): Boolean = | ||
| isConnectedAnswers.take() | ||
| }) | ||
| when(channelMock.connect(address)).thenReturn(true) | ||
| when(channelMock.write(arg)).thenAnswer(new Answer[Int] { | ||
| override def answer(invocation: InvocationOnMock): Int = { | ||
| val arr = Array.ofDim[Byte](1) | ||
| arg.get(arr) | ||
| 1 | ||
| } | ||
| }) | ||
| final class TestConnection extends ConnectionImpl(address, duration, backoff) { | ||
| override protected def channelOpen: SocketChannel = channelMock | ||
| } | ||
| new TestConnection | ||
| } | ||
| } | ||
| describe("write") { | ||
| it("should write successfully") { | ||
| val arg = ByteBuffer.wrap(Array(1, 2, 3).map(_.toByte)) | ||
| val channelMock = mock[SocketChannel] | ||
| when(channelMock.isConnected).thenReturn(true) | ||
| when(channelMock.connect(address)).thenReturn(true) | ||
| when(channelMock.write(arg)).thenAnswer(new Answer[Int] { | ||
| override def answer(invocation: InvocationOnMock): Int = { | ||
| val arr = Array.ofDim[Byte](1) | ||
| arg.get(arr) | ||
| 1 | ||
| } | ||
| }) | ||
| final class TestConnection extends ConnectionImpl(address, duration, backoff) { | ||
| override protected def channelOpen: SocketChannel = channelMock | ||
| } | ||
| val conn = new TestConnection | ||
| assert(conn.write(arg).isSuccess) | ||
| } | ||
| it("should write failed when it occurs IOException") { | ||
| val arg = ByteBuffer.wrap(Array(1, 2, 3).map(_.toByte)) | ||
| val channelMock = mock[SocketChannel] | ||
| when(channelMock.isConnected).thenReturn(true) | ||
| when(channelMock.connect(address)).thenReturn(true) | ||
| when(channelMock.write(arg)).thenThrow(new IOException) | ||
|
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| final class TestConnection extends ConnectionImpl(address, duration, backoff) { | ||
| override protected def channelOpen: SocketChannel = channelMock | ||
| } | ||
| val conn = new TestConnection | ||
| assert(conn.write(arg).isFailure) | ||
| } | ||
| } | ||
| } |
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