public void goldenVerifyFile()

in javatests/com/google/cloud/deploymentmanager/autogen/VerifyAutogenFileContent.java [56:96]
32 lines of code
6 McCabe index (conditional complexity)

  public void goldenVerifyFile() throws Exception {
    File tempDir = Files.createTempDir();
    File actualFile = new File(tempDir, fileRelativePath);
    Files.createParentDirs(actualFile);
    File goldenFile = new File(goldenFolder, fileRelativePath);
    if (actualFile.getPath().endsWith(".png") || actualFile.getPath().endsWith(".jpg")) {
      Files.write(BaseEncoding.base64().decode(fileContent), actualFile);
      String expected = BaseEncoding.base64().encode(Files.toByteArray(goldenFile));
      assertWithMessage(generateDiffMessage(tempDir)).that(fileContent).isEqualTo(expected);
    } else {
      Files.asCharSink(actualFile, StandardCharsets.UTF_8).write(fileContent);
      String expected = Files.asCharSource(goldenFile, StandardCharsets.UTF_8).read();
      // From StringUtils.difference docs:
      // "returns the remainder of the second String, starting from where it's different from the
      // first. This means that the difference between "abc" and "ab" is the empty String and not
      // "c".
      // Because of that we need to compare actual vs expected as well

      String diffMessage = generateDiffMessage(tempDir);

      // This overwrites the test files when using bazel run
      if (System.getenv("BUILD_WORKSPACE_DIRECTORY") != null
          && (!StringUtils.difference(expected, fileContent).isEmpty()
              || !StringUtils.difference(fileContent, expected).isEmpty())) {
        File overwriteFile =
            new File(
                Path.of(
                        System.getenv("BUILD_WORKSPACE_DIRECTORY"),
                        ".",
                        AutogenMediumTestsSuite.RELATIVE_TESTDATA_PATH,
                        Path.of(solutionName).getParent().toString(),
                        Path.of(goldenFolder).getFileName().toString(),
                        fileRelativePath)
                    .toString());
        Files.write(fileContent.getBytes(UTF_8), overwriteFile);
      }

      assertWithMessage(diffMessage).that(StringUtils.difference(expected, fileContent)).isEmpty();
      assertWithMessage(diffMessage).that(StringUtils.difference(fileContent, expected)).isEmpty();
    }
  }