100% list reporter

test/reporters/list.spec.js

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+'use strict';
+
+var reporters = require('../../').reporters;
+var List = reporters.List;
+var Base = reporters.Base;
+
+describe('List reporter', function () {
+  var stdout;
+  var stdoutWrite;
+  var runner;
+  var useColors;
+
+  beforeEach(function () {
+    stdout = [];
+    runner = {};
+    stdoutWrite = process.stdout.write;
+    process.stdout.write = function (string) {
+      stdout.push(string);
+    };
+    useColors = Base.useColors;
+    Base.useColors = false;
+  });
+
+  afterEach(function () {
+    Base.useColors = useColors;
+  });
+
+  describe('on start and test', function () {
+    it('should write expected new line and title to the console', function () {
+      var expectedTitle = 'some title';
+      var test = {
+        fullTitle: function () {
+          return expectedTitle;
+        }
+      };
+      runner.on = function (event, callback) {
+        if (event === 'start') {
+          callback();
+        }
+        if (event === 'test') {
+          callback(test);
+        }
+      };
+      List.call({epilogue: function () {}}, runner);
+
+      process.stdout.write = stdoutWrite;
+      var startString = '\n';
+      var testString = '    ' + expectedTitle + ': ';
+      var expectedArray = [
+        startString,
+        testString
+      ];
+      stdout.should.deepEqual(expectedArray);
+    });
+  });
+  describe('on pending', function () {
+    it('should write expected title to the console', function () {
+      var expectedTitle = 'some title';
+      var test = {
+        fullTitle: function () {
+          return expectedTitle;
+        }
+      };
+      runner.on = function (event, callback) {
+        if (event === 'pending') {
+          callback(test);
+        }
+      };
+      List.call({epilogue: function () {}}, runner);
+
+      process.stdout.write = stdoutWrite;
+
+      stdout[0].should.deepEqual('  - ' + expectedTitle + '\n');
+    });
+  });
+  describe('on pass', function () {
+    it('should call cursor CR', function () {
+      var calledCursorCR = false;
+      var cachedCursor = Base.cursor;
+      Base.cursor.CR = function () {
+        calledCursorCR = true;
+      };
+      var expectedTitle = 'some title';
+      var expectedDuration = 100;
+      var test = {
+        fullTitle: function () {
+          return expectedTitle;
+        },
+        duration: expectedDuration,
+        slow: function () {}
+      };
+      runner.on = function (event, callback) {
+        if (event === 'pass') {
+          callback(test);
+        }
+      };
+      List.call({epilogue: function () {}}, runner);
+
+      process.stdout.write = stdoutWrite;
+
+      calledCursorCR.should.be.true();
+
+      Base.cursor = cachedCursor;
+    });
+    it('should write expected symbol, title and duration to the console', function () {
+      var cachedCursor = Base.cursor;
+      Base.cursor.CR = function () {};
+      var expectedTitle = 'some title';
+      var expectedDuration = 100;
+      var test = {
+        fullTitle: function () {
+          return expectedTitle;
+        },
+        duration: expectedDuration,
+        slow: function () {}
+      };
+      runner.on = function (event, callback) {
+        if (event === 'pass') {
+          callback(test);
+        }
+      };
+      List.call({epilogue: function () {}}, runner);
+
+      process.stdout.write = stdoutWrite;
+
+      stdout[0].should.equal('  ✓ ' + expectedTitle + ': ' + expectedDuration + 'ms\n');
+
+      Base.cursor = cachedCursor;
+    });
+  });
+  describe('on fail', function () {
+    it('should call cursor CR', function () {
+      var calledCursorCR = false;
+      var cachedCursor = Base.cursor;
+      Base.cursor.CR = function () {
+        calledCursorCR = true;
+      };
+      var expectedTitle = 'some title';
+      var expectedDuration = 100;
+      var test = {
+        fullTitle: function () {
+          return expectedTitle;
+        },
+        duration: expectedDuration,
+        slow: function () {}
+      };
+      runner.on = function (event, callback) {
+        if (event === 'fail') {
+          callback(test);
+        }
+      };
+      List.call({epilogue: function () {}}, runner);
+
+      process.stdout.write = stdoutWrite;
+
+      calledCursorCR.should.be.true();
+
+      Base.cursor = cachedCursor;
+    });
+    it('should write expected error number and title', function () {
+      var cachedCursor = Base.cursor;
+      var expectedErrorCount = 1;
+      Base.cursor.CR = function () {};
+      var expectedTitle = 'some title';
+      var expectedDuration = 100;
+      var test = {
+        fullTitle: function () {
+          return expectedTitle;
+        },
+        duration: expectedDuration,
+        slow: function () {}
+      };
+      runner.on = function (event, callback) {
+        if (event === 'fail') {
+          callback(test);
+        }
+      };
+      runner.on = function (event, callback) {
+        if (event === 'fail') {
+          callback(test);
+        }
+      };
+      List.call({epilogue: function () {}}, runner);
+
+      process.stdout.write = stdoutWrite;
+
+      stdout[0].should.equal('  ' + expectedErrorCount + ') ' + expectedTitle + '\n');
+
+      Base.cursor = cachedCursor;
+    });
+  });
+
+  describe('on end', function () {
+    it('should call epilogue', function () {
+      var calledEpilogue = false;
+      runner.on = function (event, callback) {
+        if (event === 'end') {
+          callback();
+        }
+      };
+      List.call({
+        epilogue: function () {
+          calledEpilogue = true;
+        }
+      }, runner);
+      process.stdout.write = stdoutWrite;
+
+      calledEpilogue.should.be.true();
+    });
+  });
+});