HttpJsonStatusCodeTest.java

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package com.google.api.gax.httpjson;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;

import com.google.api.gax.rpc.StatusCode;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import org.junit.Test;

public class HttpJsonStatusCodeTest {

  @Test
  public void rpcCodeToStatusCodeTest() {
    Set<StatusCode.Code> allCodes = new HashSet<>();
    for (com.google.rpc.Code rpcCode : com.google.rpc.Code.values()) {
      StatusCode.Code statusCode;
      try {
        statusCode = HttpJsonStatusCode.rpcCodeToStatusCode(rpcCode);
      } catch (IllegalArgumentException e) {
        if (rpcCode != com.google.rpc.Code.UNRECOGNIZED) {
          fail("Unrecognized com.google.rpc.Code found " + rpcCode);
        }
        continue;
      }

      assertNotNull(statusCode);
      allCodes.add(statusCode);
    }

    assertEquals(allCodes, new HashSet<>(Arrays.asList(StatusCode.Code.values())));
  }

  @Test
  public void httpStatusToStatusCodeTest() {
    // The HTTP status code conversion logic is currently in the process of being standardized,
    // the tested logic may change in nearest future.
    final String defaultMessage = "anything";
    assertEquals(
        StatusCode.Code.OK, HttpJsonStatusCode.httpStatusToStatusCode(200, defaultMessage));
    assertEquals(
        StatusCode.Code.OUT_OF_RANGE,
        HttpJsonStatusCode.httpStatusToStatusCode(400, HttpJsonStatusCode.OUT_OF_RANGE));
    assertEquals(
        StatusCode.Code.FAILED_PRECONDITION,
        HttpJsonStatusCode.httpStatusToStatusCode(400, HttpJsonStatusCode.FAILED_PRECONDITION));
    assertEquals(
        StatusCode.Code.INVALID_ARGUMENT,
        HttpJsonStatusCode.httpStatusToStatusCode(400, defaultMessage));
    assertEquals(
        StatusCode.Code.UNAUTHENTICATED,
        HttpJsonStatusCode.httpStatusToStatusCode(401, defaultMessage));
    assertEquals(
        StatusCode.Code.PERMISSION_DENIED,
        HttpJsonStatusCode.httpStatusToStatusCode(403, defaultMessage));
    assertEquals(
        StatusCode.Code.NOT_FOUND, HttpJsonStatusCode.httpStatusToStatusCode(404, defaultMessage));
    assertEquals(
        StatusCode.Code.ALREADY_EXISTS,
        HttpJsonStatusCode.httpStatusToStatusCode(409, HttpJsonStatusCode.ALREADY_EXISTS));
    assertEquals(
        StatusCode.Code.ABORTED, HttpJsonStatusCode.httpStatusToStatusCode(409, defaultMessage));
    assertEquals(
        StatusCode.Code.RESOURCE_EXHAUSTED,
        HttpJsonStatusCode.httpStatusToStatusCode(429, defaultMessage));
    assertEquals(
        StatusCode.Code.CANCELLED, HttpJsonStatusCode.httpStatusToStatusCode(499, defaultMessage));
    assertEquals(
        StatusCode.Code.DATA_LOSS,
        HttpJsonStatusCode.httpStatusToStatusCode(500, HttpJsonStatusCode.DATA_LOSS));
    assertEquals(
        StatusCode.Code.UNKNOWN,
        HttpJsonStatusCode.httpStatusToStatusCode(500, HttpJsonStatusCode.UNKNOWN));
    assertEquals(
        StatusCode.Code.INTERNAL, HttpJsonStatusCode.httpStatusToStatusCode(500, defaultMessage));
    assertEquals(
        StatusCode.Code.UNIMPLEMENTED,
        HttpJsonStatusCode.httpStatusToStatusCode(501, defaultMessage));
    assertEquals(
        StatusCode.Code.UNAVAILABLE,
        HttpJsonStatusCode.httpStatusToStatusCode(503, defaultMessage));
    assertEquals(
        StatusCode.Code.DEADLINE_EXCEEDED,
        HttpJsonStatusCode.httpStatusToStatusCode(504, defaultMessage));

    try {
      HttpJsonStatusCode.httpStatusToStatusCode(411, defaultMessage);
      fail();
    } catch (IllegalStateException e) {
      // expected
    }

    try {
      HttpJsonStatusCode.httpStatusToStatusCode(666, defaultMessage);
      fail();
    } catch (IllegalArgumentException e) {
      // expected
    }
  }
}