test: add node-report tests

One test per each API, so that additional tests in future are modular.
test/common/report.js contain common functions  that tests leverage.

PR-URL: https://github.com/nodejs/node/pull/22712
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <Michael_Dawson@ca.ibm.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>

2 files changed, 50 insertions, 0 deletions

diff --git a/test/common/index.js b/test/common/index.js
index 72ad0c3b77..e7df290c3e 100644
--- a/test/common/index.js
+++ b/test/common/index.js
@@ -632,6 +632,12 @@ function skipIfInspectorDisabled() {
   }
 }
 
+function skipIfReportDisabled() {
+  if (!process.config.variables.node_report) {
+    skip('Node Report is disabled');
+  }
+}
+
 function skipIf32Bits() {
   if (bits < 64) {
     skip('The tested feature is not available in 32bit builds');
@@ -758,6 +764,7 @@ module.exports = {
   skipIf32Bits,
   skipIfEslintMissing,
   skipIfInspectorDisabled,
+  skipIfReportDisabled,
   skipIfWorker,
 
   get localhostIPv6() { return '::1'; },
diff --git a/test/common/report.js b/test/common/report.js
new file mode 100644
index 0000000000..646660da49
--- /dev/null
+++ b/test/common/report.js
@@ -0,0 +1,43 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+
+const REPORT_SECTIONS = [ 'header',
+                          'javascriptStack',
+                          'nativeStack',
+                          'javascriptHeap',
+                          'libuv',
+                          'environmentVariables',
+                          'sharedObjects' ];
+
+let tmppath = '';
+
+exports.findReports = (pid, path) => {
+  // Default filenames are of the form
+  // report.<date>.<time>.<pid>.<seq>.json
+  tmppath = path;
+  const format = '^report\\.\\d+\\.\\d+\\.' + pid + '\\.\\d+\\.json$';
+  const filePattern = new RegExp(format);
+  const files = fs.readdirSync(path);
+  return files.filter((file) => filePattern.test(file));
+};
+
+exports.validate = (report, options) => {
+  const jtmp = path.join(tmppath, report);
+  fs.readFile(jtmp, (err, data) => {
+    this.validateContent(data, options);
+  });
+};
+
+
+exports.validateContent = function validateContent(data, options) {
+  const report = JSON.parse(data);
+  const comp = Object.keys(report);
+
+  // Check all sections are present
+  REPORT_SECTIONS.forEach((section) => {
+    assert.ok(comp.includes(section));
+  });
+};