bower/test/commands/uninstall.js

var path = require('path');
var mkdirp = require('mkdirp');
var expect = require('expect.js');
var fs = require('../../lib/util/fs');

var helpers = require('../helpers');
var uninstall = helpers.command('uninstall');

describe('bower uninstall', function () {

    var tempDir = new helpers.TempDir({
        'bower.json': {
            name: 'hello-world',
            dependencies: {
                'underscore': '*'
            }
        }
    });

    beforeEach(function () {
        tempDir.prepare();
    });

    var bowerJsonPath = path.join(tempDir.path, 'bower.json');

    function bowerJson() {
        return JSON.parse(fs.readFileSync(bowerJsonPath));
    }

    var config = {
        cwd: tempDir.path,
        interactive: true
    };

    it('correctly reads arguments', function () {
        expect(uninstall.readOptions(['jquery', '-S', '-D']))
        .to.eql([['jquery'], { save: true, saveDev: true }]);
    });

    it('correctly reads long arguments', function () {
        expect(uninstall.readOptions(['jquery', '--save', '--save-dev']))
        .to.eql([['jquery'], { save: true, saveDev: true }]);
    });

    it('does not remove anything from dependencies by default', function () {
        return helpers.run(uninstall, [['underscore'], undefined, config]).then(function () {
            expect(bowerJson().dependencies).to.eql({ 'underscore': '*' });
        });
    });

    it('removes dependency from bower.json if --save flag is used', function () {
        return helpers.run(uninstall, [['underscore'], {save: true}, config]).then(function () {
            expect(bowerJson().dependencies).to.eql({});
        });
    });

    it('removes dependency from bower.json if save config setting is true', function () {
        var configWithSave = {
            cwd: tempDir.path,
            interactive: true,
            save: true
        };
        return helpers.run(uninstall, [['underscore'], {}, configWithSave]).then(function () {
            expect(bowerJson().dependencies).to.eql({});
        });
    });

    it('removes dependency from relative config.directory', function () {
        var targetPath = path.resolve(tempDir.path, 'other_directory/underscore');
        mkdirp.sync(targetPath);
        fs.writeFileSync(path.join(targetPath, '.bower.json'), '{ "name": "underscore" }');

        return helpers.run(uninstall, [['underscore'], undefined, {
            cwd: tempDir.path,
            directory: 'other_directory',
            interactive: true
        }])
        .then(function () {
            expect(function () {
                fs.statSync(targetPath);
            }).to.throwException(/no such file or directory/);
        });
    });

    it('removes dependency from absolute config.directory', function () {
        var targetPath = path.resolve(tempDir.path, 'other_directory/underscore');
        mkdirp.sync(targetPath);
        fs.writeFileSync(path.join(targetPath, '.bower.json'), '{ "name": "underscore" }');

        return helpers.run(uninstall, [['underscore'], undefined, {
            cwd: tempDir.path,
            directory: path.resolve(tempDir.path, 'other_directory'),
            interactive: true
        }])
        .then(function () {
            expect(function () {
                fs.statSync(targetPath);
            }).to.throwException(/no such file or directory/);
        });
    });

    it('removes a project with url from absolute path', function () {
        var targetPath = path.resolve(tempDir.path, 'other_directory/underscore');
        mkdirp.sync(targetPath);
        fs.writeFileSync(path.join(targetPath, '.bower.json'), '{ "name": "underscore", "_source": "git://github.com/user/repo.git" }');

        return helpers.run(uninstall, [['git://github.com/user/repo.git'], undefined, {
            cwd: tempDir.path,
            directory: path.resolve(tempDir.path, 'other_directory'),
            interactive: true
        }])
            .then(function () {
                expect(function () {
                    fs.statSync(targetPath);
                }).to.throwException(/no such file or directory/);
            });
    });

});