test: add module assertions in spec tests

Author: js2me

package.json

@@ -12,6 +12,7 @@
     "test-all": "node --unhandled-rejections=strict ./scriptsRunner.js generate validate test:*",
     "test-all-extended": "node --unhandled-rejections=strict ./scriptsRunner.js generate-extended validate generate validate test:*",
     "test-specific": "node ./scriptsRunner.js generate validate test:*",
+    "test-specific-only": "node ./scriptsRunner.js test:*",
     "prepare": "npm run test-all-extended",
     "generate": "node tests/generate.js",
     "generate-extended": "node tests/generate-extended.js",

tests/helpers/assertGeneratedModule.js

@@ -0,0 +1,21 @@
+const fs = require("fs");
+const gitDiff = require("git-diff");
+
+const assertGeneratedModule = (pathToModule1, pathToModule2) => {
+  const output = fs.readFileSync(pathToModule1).toString("utf8");
+  const expected = fs.readFileSync(pathToModule2).toString("utf8");
+
+  const diff = gitDiff(output, expected, {
+    color: true,
+    flags: "--diff-algorithm=default",
+  });
+
+  if (diff && diff.length) {
+    console.error("\n" + diff);
+    throw new Error("expected another output");
+  }
+
+  return void 0;
+};
+
+module.exports = assertGeneratedModule;

tests/helpers/validateGeneratedModule.js

@@ -63,5 +63,10 @@ module.exports = (pathToFile) => {
   //   );
   // });
 
+  if (diagnostics.length) {
+    console.error(diagnostics);
+    throw new Error("Failed");
+  }
+
   return diagnostics;
 };