Merge pull request #2691 from craigtaub/reporterCoverageSpec

Increase tests coverage for spec + dot reporters
mochajs · Jan 30, 2017 · 503627c · 503627c
2 parents dca2f00 + 763698c
commit 503627c
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diff --git a/test/reporters/dot.spec.js b/test/reporters/dot.spec.js
@@ -0,0 +1,212 @@
+'use strict';
+
+var reporters = require('../../').reporters;
+var Dot = reporters.Dot;
+var Base = reporters.Base;
+
+describe('Dot reporter', function () {
+  var stdout;
+  var stdoutWrite;
+  var runner;
+  var useColors;
+  var windowWidth;
+
+  beforeEach(function () {
+    stdout = [];
+    runner = {};
+    stdoutWrite = process.stdout.write;
+    process.stdout.write = function (string) {
+      stdout.push(string);
+    };
+    useColors = Base.useColors;
+    windowWidth = Base.window.width;
+    Base.useColors = false;
+    Base.window.width = 0;
+  });
+
+  afterEach(function () {
+    Base.useColors = useColors;
+    Base.window.width = windowWidth;
+  });
+
+  describe('on start', function () {
+    it('should return a new line', function () {
+      runner.on = function (event, callback) {
+        if (event === 'start') {
+          callback();
+        }
+      };
+      Dot.call({epilogue: function () {}}, runner);
+      process.stdout.write = stdoutWrite;
+      var expectedArray = [
+        '\n'
+      ];
+      stdout.should.deepEqual(expectedArray);
+    });
+  });
+  describe('on pending', function () {
+    describe('if window width is greater than 1', function () {
+      beforeEach(function () {
+        Base.window.width = 2;
+      });
+      it('should return a new line and then a coma', function () {
+        runner.on = function (event, callback) {
+          if (event === 'pending') {
+            callback();
+          }
+        };
+        Dot.call({epilogue: function () {}}, runner);
+        process.stdout.write = stdoutWrite;
+        var expectedArray = [
+          '\n  ',
+          Base.symbols.comma
+        ];
+        stdout.should.deepEqual(expectedArray);
+      });
+    });
+    describe('if window width is equal to or less than 1', function () {
+      it('should return a coma', function () {
+        runner.on = function (event, callback) {
+          if (event === 'pending') {
+            callback();
+          }
+        };
+        Dot.call({epilogue: function () {}}, runner);
+        process.stdout.write = stdoutWrite;
+        var expectedArray = [
+          Base.symbols.comma
+        ];
+        stdout.should.deepEqual(expectedArray);
+      });
+    });
+  });
+  describe('on pass', function () {
+    describe('if window width is greater than 1', function () {
+      beforeEach(function () {
+        Base.window.width = 2;
+      });
+      describe('if test speed is fast', function () {
+        it('should return a new line and then a dot', function () {
+          var test = {
+            duration: 1,
+            slow: function () { return 2; }
+          };
+          runner.on = function (event, callback) {
+            if (event === 'pass') {
+              callback(test);
+            }
+          };
+          Dot.call({epilogue: function () {}}, runner);
+          process.stdout.write = stdoutWrite;
+          var expectedArray = [
+            '\n  ',
+            Base.symbols.dot
+          ];
+          stdout.should.deepEqual(expectedArray);
+        });
+      });
+    });
+    describe('if window width is equal to or less than 1', function () {
+      describe('if test speed is fast', function () {
+        it('should return a dot', function () {
+          var test = {
+            duration: 1,
+            slow: function () { return 2; }
+          };
+          runner.on = function (event, callback) {
+            if (event === 'pass') {
+              callback(test);
+            }
+          };
+          Dot.call({epilogue: function () {}}, runner);
+          process.stdout.write = stdoutWrite;
+          var expectedArray = [
+            Base.symbols.dot
+          ];
+          stdout.should.deepEqual(expectedArray);
+        });
+      });
+      describe('if test speed is slow', function () {
+        it('should return a dot', function () {
+          var test = {
+            duration: 2,
+            slow: function () { return 1; }
+          };
+          runner.on = function (event, callback) {
+            if (event === 'pass') {
+              callback(test);
+            }
+          };
+          Dot.call({epilogue: function () {}}, runner);
+          process.stdout.write = stdoutWrite;
+          var expectedArray = [
+            Base.symbols.dot
+          ];
+          stdout.should.deepEqual(expectedArray);
+        });
+      });
+    });
+  });
+  describe('on fail', function () {
+    describe('if window width is greater than 1', function () {
+      beforeEach(function () {
+        Base.window.width = 2;
+      });
+      it('should return a new line and then an exclamation mark', function () {
+        var test = {
+          test: {
+            err: 'some error'
+          }
+        };
+        runner.on = function (event, callback) {
+          if (event === 'fail') {
+            callback(test);
+          }
+        };
+        Dot.call({epilogue: function () {}}, runner);
+        process.stdout.write = stdoutWrite;
+        var expectedArray = [
+          '\n  ',
+          Base.symbols.bang
+        ];
+        stdout.should.deepEqual(expectedArray);
+      });
+    });
+    describe('if window width is equal to or less than 1', function () {
+      it('should return an exclamation mark', function () {
+        var test = {
+          test: {
+            err: 'some error'
+          }
+        };
+        runner.on = function (event, callback) {
+          if (event === 'fail') {
+            callback(test);
+          }
+        };
+        Dot.call({epilogue: function () {}}, runner);
+        process.stdout.write = stdoutWrite;
+        var expectedArray = [
+          Base.symbols.bang
+        ];
+        stdout.should.deepEqual(expectedArray);
+      });
+    });
+  });
+  describe('on end', function () {
+    it('should call the epilogue', function () {
+      runner.on = function (event, callback) {
+        if (event === 'end') {
+          callback();
+        }
+      };
+      var epilogueCalled = false;
+      var epilogue = function () {
+        epilogueCalled = true;
+      };
+      Dot.call({epilogue: epilogue}, runner);
+      process.stdout.write = stdoutWrite;
+      epilogueCalled.should.be.true();
+    });
+  });
+});
diff --git a/test/reporters/spec.spec.js b/test/reporters/spec.spec.js
@@ -0,0 +1,128 @@
+'use strict';
+
+var reporters = require('../../').reporters;
+var Spec = reporters.Spec;
+var Base = reporters.Base;
+
+describe('Spec 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 suite', function () {
+    it('should return title', function () {
+      var expectedTitle = 'expectedTitle';
+      var suite = {
+        title: expectedTitle
+      };
+      runner.on = function (event, callback) {
+        if (event === 'suite') {
+          callback(suite);
+        }
+      };
+      Spec.call({epilogue: function () {}}, runner);
+      process.stdout.write = stdoutWrite;
+      var expectedArray = [
+        expectedTitle + '\n'
+      ];
+      stdout.should.deepEqual(expectedArray);
+    });
+  });
+  describe('on pending', function () {
+    it('should return title', function () {
+      var expectedTitle = 'expectedTitle';
+      var suite = {
+        title: expectedTitle
+      };
+      runner.on = function (event, callback) {
+        if (event === 'pending') {
+          callback(suite);
+        }
+      };
+      Spec.call({epilogue: function () {}}, runner);
+      process.stdout.write = stdoutWrite;
+      var expectedArray = [
+        '  - ' + expectedTitle + '\n'
+      ];
+      stdout.should.deepEqual(expectedArray);
+    });
+  });
+  describe('on pass', function () {
+    describe('if test speed is slow', function () {
+      it('should return expected tick, title and duration', function () {
+        var expectedTitle = 'expectedTitle';
+        var expectedDuration = 2;
+        var test = {
+          title: expectedTitle,
+          duration: expectedDuration,
+          slow: function () { return 1; }
+        };
+        runner.on = function (event, callback) {
+          if (event === 'pass') {
+            callback(test);
+          }
+        };
+        Spec.call({epilogue: function () {}}, runner);
+        process.stdout.write = stdoutWrite;
+        var expectedString = '  ' + Base.symbols.ok + ' ' + expectedTitle + ' (' + expectedDuration + 'ms)' + '\n';
+        stdout[0].should.equal(expectedString);
+      });
+    });
+    describe('if test speed is fast', function () {
+      it('should return expected tick, title and without a duration', function () {
+        var expectedTitle = 'expectedTitle';
+        var expectedDuration = 1;
+        var test = {
+          title: expectedTitle,
+          duration: expectedDuration,
+          slow: function () { return 2; }
+        };
+        runner.on = function (event, callback) {
+          if (event === 'pass') {
+            callback(test);
+          }
+        };
+        Spec.call({epilogue: function () {}}, runner);
+        process.stdout.write = stdoutWrite;
+        var expectedString = '  ' + Base.symbols.ok + ' ' + expectedTitle + '\n';
+        stdout[0].should.equal(expectedString);
+      });
+    });
+  });
+  describe('on fail', function () {
+    it('should return title and function count', function () {
+      var expectedTitle = 'expectedTitle';
+      var functionCount = 1;
+      var test = {
+        title: expectedTitle
+      };
+      runner.on = function (event, callback) {
+        if (event === 'fail') {
+          callback(test);
+        }
+      };
+      Spec.call({epilogue: function () {}}, runner);
+      process.stdout.write = stdoutWrite;
+      var expectedArray = [
+        '  ' + functionCount + ') ' + expectedTitle + '\n'
+      ];
+      stdout.should.deepEqual(expectedArray);
+    });
+  });
+});