Add outputFile config and tests

Author: daivinhtran

README.md

@@ -59,6 +59,7 @@ Reporter options should also be strings exception for suiteNameTemplate, classNa
 | `JEST_SUITE_NAME` | `suiteName` | `name` attribute of `<testsuites>` | `"jest tests"` | N/A
 | `JEST_JUNIT_OUTPUT_DIR` | `outputDirectory` | Directory to save the output. | `process.cwd()` | N/A
 | `JEST_JUNIT_OUTPUT_NAME` | `outputName` | File name for the output. | `"junit.xml"` | N/A
+| `JEST_JUNIT_OUTPUT_FILE` | `outputFile` | Fullpath for the output. If defined, `outputDirectory` and `outputName` will be overridden | `undefined` | N/A
 | `JEST_JUNIT_UNIQUE_OUTPUT_NAME` | `uniqueOutputName` | Create unique file name for the output `junit-${uuid}.xml`, overrides `outputName` | `false` | N/A
 | `JEST_JUNIT_SUITE_NAME` | `suiteNameTemplate` | Template string for `name` attribute of the `<testsuite>`. | `"{title}"` | `{title}`, `{filepath}`, `{filename}`, `{displayName}`
 | `JEST_JUNIT_CLASSNAME` | `classNameTemplate` | Template string for the `classname` attribute of `<testcase>`. | `"{classname} {title}"` | `{classname}`, `{title}`, `{suitename}`, `{filepath}`, `{filename}`, `{displayName}`

__tests__/testResultProcessor.test.js

@@ -60,4 +60,32 @@ describe('jest-junit', () => {
     const xmlDoc = libxmljs.parseXml(fs.writeFileSync.mock.calls[0][1]);
     expect(xmlDoc).toBeTruthy();
   });
+
+
+  it('should generate xml at the output filepath defined by JEST_JUNIT_OUTPUT_FILE', () => {
+    process.env.JEST_JUNIT_OUTPUT_FILE = 'path_to_output/output_name.xml'
+    const noFailingTestsReport = require('../__mocks__/no-failing-tests.json');
+    testResultProcessor(noFailingTestsReport);
+
+    // Ensure fs.writeFileSync is called
+    expect(fs.writeFileSync).toHaveBeenCalledTimes(1);
+
+    // Ensure file would have been generated
+    expect(fs.writeFileSync).toHaveBeenLastCalledWith(
+      expect.stringMatching(/path_to_output\S+\output_name.xml/), expect.any(String)
+    );
+  });
+
+  it('should generate xml at the output filepath defined by outputFile config', () => {
+    const noFailingTestsReport = require('../__mocks__/no-failing-tests.json');
+    testResultProcessor(noFailingTestsReport, {outputFile: 'path_to_output/output_name.xml' });
+
+    // Ensure fs.writeFileSync is called
+    expect(fs.writeFileSync).toHaveBeenCalledTimes(1);
+
+    // Ensure file would have been generated
+    expect(fs.writeFileSync).toHaveBeenLastCalledWith(
+      expect.stringMatching(/path_to_output\S+\output_name.xml/), expect.any(String)
+    );
+  });
 });

constants/index.js

@@ -5,6 +5,7 @@ module.exports = {
     JEST_SUITE_NAME: 'suiteName',
     JEST_JUNIT_OUTPUT_DIR: 'outputDirectory',
     JEST_JUNIT_OUTPUT_NAME: 'outputName',
+    JEST_JUNIT_OUTPUT_FILE: 'outputFile',
     JEST_JUNIT_UNIQUE_OUTPUT_NAME: 'uniqueOutputName',
     JEST_JUNIT_CLASSNAME: 'classNameTemplate',
     JEST_JUNIT_SUITE_NAME: 'suiteNameTemplate',

index.js

@@ -7,6 +7,7 @@ const path = require('path');
 
 const buildJsonResults = require('./utils/buildJsonResults');
 const getOptions = require('./utils/getOptions');
+const getOutputPath = require('./utils/getOutputPath');
 
 // Store console results from onTestResult to later
 // append to result
@@ -23,17 +24,13 @@ const processor = (report, reporterOptions = {}, jestRootDir = null) => {
 
   const jsonResults = buildJsonResults(report, fs.realpathSync(process.cwd()), options);
 
-  // Set output to use new outputDirectory and fallback on original output
-  const outputName = (options.uniqueOutputName === 'true') ? getOptions.getUniqueOutputName() : options.outputName
-  const output = path.join(options.outputDirectory, outputName);
-
-  const finalOutput = getOptions.replaceRootDirInOutput(jestRootDir, output);
+  let outputPath = getOutputPath(options, jestRootDir);
 
   // Ensure output path exists
-  mkdirp.sync(path.dirname(finalOutput));
+  mkdirp.sync(path.dirname(outputPath));
 
   // Write data to file
-  fs.writeFileSync(finalOutput, xml(jsonResults, { indent: '  ', declaration: true }));
+  fs.writeFileSync(outputPath, xml(jsonResults, { indent: '  ', declaration: true }));
 
   // Jest 18 compatibility
   return report;

utils/getOutputPath.js

@@ -0,0 +1,15 @@
+const path = require('path');
+const getOptions = require('./getOptions');
+
+module.exports = (options, jestRootDir)  => {
+  // Override outputName and outputDirectory with outputFile if outputFile is defined
+  let output = options.outputFile;
+  if (!output) {
+    // Set output to use new outputDirectory and fallback on original output
+    const outputName = (options.uniqueOutputName === 'true') ? getOptions.getUniqueOutputName() : options.outputName
+    output = path.join(options.outputDirectory, outputName);  
+  }
+  
+  const finalOutput = getOptions.replaceRootDirInOutput(jestRootDir, output);
+  return finalOutput;
+};