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package com.google.auth.oauth2;

import static org.junit.Assert.assertEquals;

import java.io.IOException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Test case for {@link IdTokenCredentials}. */
@RunWith(JUnit4.class)
public class IdTokenCredentialsTest extends BaseSerializationTest {

  @Test
  public void hashCode_equals() throws IOException {
    ComputeEngineCredentialsTest.MockMetadataServerTransportFactory transportFactory =
        new ComputeEngineCredentialsTest.MockMetadataServerTransportFactory();
    transportFactory.transport.setIdToken(ComputeEngineCredentialsTest.STANDARD_ID_TOKEN);
    ComputeEngineCredentials credentials =
        ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();

    String targetAudience = "https://foo.bar";
    IdTokenCredentials tokenCredential =
        IdTokenCredentials.newBuilder()
            .setIdTokenProvider(credentials)
            .setTargetAudience(targetAudience)
            .build();
    tokenCredential.refresh();

    IdTokenCredentials otherCredential =
        IdTokenCredentials.newBuilder()
            .setIdTokenProvider(credentials)
            .setTargetAudience(targetAudience)
            .build();
    otherCredential.refresh();
    assertEquals(tokenCredential, tokenCredential.toBuilder().build());
    assertEquals(tokenCredential.hashCode(), otherCredential.hashCode());
  }

  @Test
  public void toString_equals() throws IOException {
    ComputeEngineCredentialsTest.MockMetadataServerTransportFactory transportFactory =
        new ComputeEngineCredentialsTest.MockMetadataServerTransportFactory();
    transportFactory.transport.setIdToken(ComputeEngineCredentialsTest.STANDARD_ID_TOKEN);
    ComputeEngineCredentials credentials =
        ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();

    String targetAudience = "https://foo.bar";
    IdTokenCredentials tokenCredential =
        IdTokenCredentials.newBuilder()
            .setIdTokenProvider(credentials)
            .setTargetAudience(targetAudience)
            .build();
    tokenCredential.refresh();

    IdTokenCredentials otherCredential =
        IdTokenCredentials.newBuilder()
            .setIdTokenProvider(credentials)
            .setTargetAudience(targetAudience)
            .build();
    otherCredential.refresh();

    assertEquals(tokenCredential.toString(), otherCredential.toString());
  }

  @Test
  public void serialize() throws IOException, ClassNotFoundException {

    ComputeEngineCredentialsTest.MockMetadataServerTransportFactory transportFactory =
        new ComputeEngineCredentialsTest.MockMetadataServerTransportFactory();
    transportFactory.transport.setIdToken(ComputeEngineCredentialsTest.STANDARD_ID_TOKEN);
    ComputeEngineCredentials credentials =
        ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();

    String targetAudience = "https://foo.bar";
    IdTokenCredentials tokenCredential =
        IdTokenCredentials.newBuilder()
            .setIdTokenProvider(credentials)
            .setTargetAudience(targetAudience)
            .build();
    tokenCredential.refresh();
    IdTokenCredentials deserializedCredentials = serializeAndDeserialize(tokenCredential);
    assertEquals(tokenCredential, deserializedCredentials);
  }
}