/
tap.spec.js
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tap.spec.js
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'use strict';
var reporters = require('../../').reporters;
var TAP = reporters.TAP;
var createMockRunner = require('./helpers').createMockRunner;
describe('TAP reporter', function () {
var stdout;
var stdoutWrite;
var runner;
var expectedTitle = 'some title';
var countAfterTestEnd = 2;
var test;
beforeEach(function () {
stdout = [];
stdoutWrite = process.stdout.write;
process.stdout.write = function (string) {
stdout.push(string);
};
test = {
fullTitle: function () {
return expectedTitle;
},
slow: function () {}
};
});
describe('on start', function () {
it('should hand runners suite into grepTotal and log the total', function () {
var expectedSuite = 'some suite';
var expectedTotal = 10;
var expectedString;
runner = createMockRunner('start', 'start');
runner.suite = expectedSuite;
runner.grepTotal = function (string) {
expectedString = string;
return expectedTotal;
};
TAP.call({}, runner);
var expectedArray = [
'1..' + expectedTotal + '\n'
];
process.stdout.write = stdoutWrite;
expect(stdout).to.eql(expectedArray);
expect(expectedString).to.equal(expectedSuite);
});
});
describe('on pending', function () {
it('should write expected message including count and title', function () {
runner = createMockRunner('start test', 'test end', 'pending', null, test);
runner.suite = '';
runner.grepTotal = function () { };
TAP.call({}, runner);
process.stdout.write = stdoutWrite;
var expectedMessage = 'ok ' + countAfterTestEnd + ' ' + expectedTitle + ' # SKIP -\n';
expect(stdout[0]).to.eql(expectedMessage);
});
});
describe('on pass', function () {
it('should write expected message including count and title', function () {
runner = createMockRunner('start test', 'test end', 'pass', null, test);
runner.suite = '';
runner.grepTotal = function () { };
TAP.call({}, runner);
process.stdout.write = stdoutWrite;
var expectedMessage = 'ok ' + countAfterTestEnd + ' ' + expectedTitle + '\n';
expect(stdout[0]).to.eql(expectedMessage);
});
});
describe('on fail', function () {
describe('if there is an error message', function () {
it('should write expected message and error message', function () {
var expectedTitle = 'some title';
var countAfterTestEnd = 2;
var expectedErrorMessage = 'some error';
var test = {
fullTitle: function () {
return expectedTitle;
},
slow: function () {}
};
var error = {
message: expectedErrorMessage
};
runner.on = function (event, callback) {
if (event === 'test end') {
callback();
}
if (event === 'fail') {
callback(test, error);
}
};
runner.suite = '';
runner.grepTotal = function () { };
TAP.call({}, runner);
process.stdout.write = stdoutWrite;
var expectedArray = [
'not ok ' + countAfterTestEnd + ' ' + expectedTitle + '\n',
' ' + expectedErrorMessage + '\n'
];
expect(stdout).to.eql(expectedArray);
});
});
describe('if there is an error stack', function () {
it('should write expected message and stack', function () {
var expectedStack = 'some stack';
var error = {
stack: expectedStack
};
runner = createMockRunner('test end fail', 'test end', 'fail', null, test, error);
runner.suite = '';
runner.grepTotal = function () { };
TAP.call({}, runner);
process.stdout.write = stdoutWrite;
var expectedArray = [
'not ok ' + countAfterTestEnd + ' ' + expectedTitle + '\n',
' ' + expectedStack + '\n'
];
expect(stdout).to.eql(expectedArray);
});
});
describe('if there is an error stack and error message', function () {
it('should write expected message and stack', function () {
var expectedTitle = 'some title';
var countAfterTestEnd = 2;
var expectedStack = 'some stack';
var expectedErrorMessage = 'some error';
var test = {
fullTitle: function () {
return expectedTitle;
},
slow: function () {}
};
var error = {
stack: expectedStack,
message: expectedErrorMessage
};
runner.on = function (event, callback) {
if (event === 'test end') {
callback();
}
if (event === 'fail') {
callback(test, error);
}
};
runner.suite = '';
runner.grepTotal = function () { };
TAP.call({}, runner);
process.stdout.write = stdoutWrite;
var expectedArray = [
'not ok ' + countAfterTestEnd + ' ' + expectedTitle + '\n',
' ' + expectedErrorMessage + '\n',
' ' + expectedStack + '\n'
];
expect(stdout).to.eql(expectedArray);
});
});
describe('if there is no error stack or error message', function () {
it('should write expected message only', function () {
var error = {};
runner.on = runner.once = function (event, callback) {
if (event === 'test end') {
callback();
}
if (event === 'fail') {
callback(test, error);
}
};
runner.suite = '';
runner.grepTotal = function () { };
TAP.call({}, runner);
process.stdout.write = stdoutWrite;
var expectedArray = [
'not ok ' + countAfterTestEnd + ' ' + expectedTitle + '\n'
];
expect(stdout).to.eql(expectedArray);
});
});
});
describe('on end', function () {
it('should write total tests, passes and failures', function () {
var numberOfPasses = 1;
var numberOfFails = 1;
runner = createMockRunner('fail end pass', 'fail', 'end', 'pass', test);
runner.suite = '';
runner.grepTotal = function () { };
TAP.call({}, runner);
process.stdout.write = stdoutWrite;
var totalTests = numberOfPasses + numberOfFails;
var expectedArray = [
'ok ' + numberOfPasses + ' ' + expectedTitle + '\n',
'not ok ' + numberOfFails + ' ' + expectedTitle + '\n',
'# tests ' + totalTests + '\n',
'# pass ' + numberOfPasses + '\n',
'# fail ' + numberOfFails + '\n'
];
expect(stdout).to.eql(expectedArray);
});
});
});