fix: Fix com.google.rpc.Code to StatusCode.Code conversion logic (#1508)

Also add tests for HTTP status code conversion (according to the current implementation, which may change in the future).

Author: vam-google

gax-httpjson/src/main/java/com/google/api/gax/httpjson/HttpJsonStatusCode.java

@@ -74,7 +74,7 @@ static StatusCode.Code rpcCodeToStatusCode(com.google.rpc.Code rpcCode) {
       case DEADLINE_EXCEEDED:
         return Code.DEADLINE_EXCEEDED;
       case NOT_FOUND:
-        return Code.DEADLINE_EXCEEDED;
+        return Code.NOT_FOUND;
       case ALREADY_EXISTS:
         return Code.ALREADY_EXISTS;
       case PERMISSION_DENIED:

gax-httpjson/src/test/java/com/google/api/gax/httpjson/HttpJsonStatusCodeTest.java

@@ -0,0 +1,131 @@
+/*
+ * Copyright 2021 Google LLC
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google LLC nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+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
+    }
+  }
+}