Prevent comparision on CircleCI master (#16)

* Prevent comparision on CircleCI master

* test.title needs to be unique if we need to rely on it

lib/compare-results/index.js

@@ -2,13 +2,19 @@ const parser = require('@tap-format/parser')
 const path = require('path');
 const fs = require('fs');
 const _ = require('highland');
-
+const diag = console.log.bind(console, '# ');
 function throwIncorrectArgumentError() {
     throw new Error(`master branch and PR artifact file paths required
     Usage: node lib/compare-results master.tap test262.tap
     `);
 }
 
+console.log('TAP version 13');
+diag(`CIRCLECI = ${process.env.CIRCLECI}`);
+diag(`CIRCLE_BRANCH = ${process.env.CIRCLE_BRANCH}`);
+const isCircleCIMaster = process.env.CIRCLECI && process.env.CIRCLE_BRANCH === 'master';
+diag(`is CircleCI master branch job: ${isCircleCIMaster}`);
+
 function throwMasterArtifactOutOfSyncError() {
     throw new Error(`master branch and PR artifacts are out of sync. Was test262 sha updated in babel-test-runner?
     Consider re-running the master branch test262 job to update the master branch artifact first!
@@ -41,17 +47,17 @@ async function main() {
         return acc;
     }, {});
     for (let i = 0; i < prTests.length; i++) {
-        const prTest = prTests[i];
-        if (!Object.prototype.hasOwnProperty.call(masterTestsMap, prTest.title)) {
-            console.log(`# Ignoring test '${prTest.title}' as it was not found in master artifact!`);
-            continue;
+        if (isCircleCIMaster) {
+            return;
         }
+        const prTest = prTests[i];
         const masterTest = masterTestsMap[prTest.title];
         switch (prTest.type) {
-            case 'version':
-                console.log(prTest.raw);
-                break;
             case 'assertion':
+                if (!Object.prototype.hasOwnProperty.call(masterTestsMap, prTest.title)) {
+                    diag(`Ignoring test '${prTest.title}' as it was not found in master artifact!`);
+                    continue;
+                }
                 if (prTest.ok !== masterTest.ok) {
                     console.log(prTest.raw);
                 }

lib/run-tests/index.js

@@ -52,11 +52,13 @@ async function main() {
       if (actual.result === expected) {
         passed++;
         tap.pass(
-          `${file} (${expected})`
+          file,
+          `(${expected})`
         );
       } else {
         tap.fail(
-          `${file} (expected ${expected}, got ${actual.result})`,
+          file,
+          `(expected ${expected}, got ${actual.result})`,
           new RethrownError(actual.error)
         );
       }