test to debug travis failure in master (jestjs#4145)

integration_tests/__tests__/supports_color_debug.test.js

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @flow
+ */
+'use strict';
+
+const path = require('path');
+const fs = require('fs');
+
+test('always passes', () => {
+  require('../supports_color');
+});
+
+test('resolves to', () => {
+  const filePath = require.resolve('supports-color');
+  const dirname = path.dirname(filePath);
+  const pkgJson = path.resolve(dirname, 'package.json');
+  const pkgJsonObject = require(pkgJson);
+  console.log(pkgJsonObject);
+});

integration_tests/supports_color.js

@@ -0,0 +1,136 @@
+'use strict';
+
+/* eslint-disable */
+
+// taken from https://github.com/chalk/supports-color
+
+var hasFlag = require('has-flag');
+
+console.log(1);
+var support = function(level) {
+  console.log(2, {level});
+  if (level === 0) {
+    console.log('level === 0');
+    return false;
+  }
+  console.log(3);
+
+  return {
+    level: level,
+    hasBasic: true,
+    has256: level >= 2,
+    has16m: level >= 3,
+  };
+};
+
+var supportLevel = (function() {
+  console.log(4);
+  console.log({
+    noColor: hasFlag('no-color'),
+    noColors: hasFlag('no-colors'),
+    colorsFalse: hasFlag('color=false'),
+  });
+  if (hasFlag('no-color') || hasFlag('no-colors') || hasFlag('color=false')) {
+    console.log(5);
+    return 0;
+  }
+
+  console.log(6);
+
+  console.log({
+    '16m': hasFlag('color=16=m'),
+    full: hasFlag('color=full'),
+    truecolor: hasFlag('color=truecolor'),
+  });
+  if (
+    hasFlag('color=16m') ||
+    hasFlag('color=full') ||
+    hasFlag('color=truecolor')
+  ) {
+    console.log(7);
+    return 3;
+  }
+
+  console.log(8);
+  console.log({
+    '256': hasFlag('color=256'),
+  });
+  if (hasFlag('color=256')) {
+    console.log(9);
+    return 2;
+  }
+
+  console.log(10);
+  console.log({
+    color: hasFlag('color'),
+    colors: hasFlag('colors'),
+    colorTrue: hasFlag('color=true'),
+    colorAlways: hasFlag('color=always'),
+  });
+  if (
+    hasFlag('color') ||
+    hasFlag('colors') ||
+    hasFlag('color=true') ||
+    hasFlag('color=always')
+  ) {
+    console.log(11);
+    return 1;
+  }
+
+  console.log(12);
+  console.log({
+    isTTy: process.stdout && !process.stdout.isTTY,
+  });
+  if (process.stdout && !process.stdout.isTTY) {
+    console.log(13);
+    return 0;
+  }
+
+  console.log(14);
+  console.log({platform: process.platform});
+  if (process.platform === 'win32') {
+    console.log(15);
+    return 1;
+  }
+  console.log(16);
+
+  console.log({COLORTERM: process.env.COLORTERM});
+  if ('COLORTERM' in process.env) {
+    console.log(17);
+    return 1;
+  }
+
+  console.log(18);
+  console.log({TERM: process.env.TERM});
+  if (process.env.TERM === 'dumb') {
+    console.log(19);
+    return 0;
+  }
+
+  console.log(20);
+  if (/^xterm-256(?:color)?/.test(process.env.TERM)) {
+    console.log(21);
+    return 2;
+  }
+
+  console.log(22);
+  if (/^screen|^xterm|^vt100|color|ansi|cygwin|linux/i.test(process.env.TERM)) {
+    console.log(23);
+    return 1;
+  }
+
+  console.log(24);
+  return 0;
+})();
+
+console.log(25);
+if (supportLevel === 0 && 'FORCE_COLOR' in process.env) {
+  console.log(26);
+  supportLevel = 1;
+}
+
+console.log({supportLevel});
+const result = process && support(supportLevel);
+console.log({result});
+
+module.exports = result;