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✏️ Editing: mock.js

var path = require('path');
var test = require('tape');
var resolve = require('../');

test('mock', function (t) {
    t.plan(8);

var files = {};
    files[path.resolve('/foo/bar/baz.js')] = 'beep';

var dirs = {};
    dirs[path.resolve('/foo/bar')] = true;

resolve('./baz', opts('/foo/bar'), function (err, res, pkg) {
        if (err) return t.fail(err);
        t.equal(res, path.resolve('/foo/bar/baz.js'));
        t.equal(pkg, undefined);
    });

resolve('./baz.js', opts('/foo/bar'), function (err, res, pkg) {
        if (err) return t.fail(err);
        t.equal(res, path.resolve('/foo/bar/baz.js'));
        t.equal(pkg, undefined);
    });

resolve('baz', opts('/foo/bar'), function (err, res) {
        t.equal(err.message, "Cannot find module 'baz' from '" + path.resolve('/foo/bar') + "'");
        t.equal(err.code, 'MODULE_NOT_FOUND');
    });

resolve('../baz', opts('/foo/bar'), function (err, res) {
        t.equal(err.message, "Cannot find module '../baz' from '" + path.resolve('/foo/bar') + "'");
        t.equal(err.code, 'MODULE_NOT_FOUND');
    });
});

test('mock from package', function (t) {
    t.plan(8);

var files = {};
    files[path.resolve('/foo/bar/baz.js')] = 'beep';

var dirs = {};
    dirs[path.resolve('/foo/bar')] = true;

resolve('./baz', opts('/foo/bar'), function (err, res, pkg) {
        if (err) return t.fail(err);
        t.equal(res, path.resolve('/foo/bar/baz.js'));
        t.equal(pkg && pkg.main, 'bar');
    });

resolve('./baz.js', opts('/foo/bar'), function (err, res, pkg) {
        if (err) return t.fail(err);
        t.equal(res, path.resolve('/foo/bar/baz.js'));
        t.equal(pkg && pkg.main, 'bar');
    });

test('mock package', function (t) {
    t.plan(2);

var files = {};
    files[path.resolve('/foo/node_modules/bar/baz.js')] = 'beep';
    files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({
        main: './baz.js'
    });

var dirs = {};
    dirs[path.resolve('/foo')] = true;
    dirs[path.resolve('/foo/node_modules')] = true;

resolve('bar', opts('/foo'), function (err, res, pkg) {
        if (err) return t.fail(err);
        t.equal(res, path.resolve('/foo/node_modules/bar/baz.js'));
        t.equal(pkg && pkg.main, './baz.js');
    });
});

test('mock package from package', function (t) {
    t.plan(2);

var files = {};
    files[path.resolve('/foo/node_modules/bar/baz.js')] = 'beep';
    files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({
        main: './baz.js'
    });

var dirs = {};
    dirs[path.resolve('/foo')] = true;
    dirs[path.resolve('/foo/node_modules')] = true;

test('symlinked', function (t) {
    t.plan(4);

var files = {};
    files[path.resolve('/foo/bar/baz.js')] = 'beep';
    files[path.resolve('/foo/bar/symlinked/baz.js')] = 'beep';

var dirs = {};
    dirs[path.resolve('/foo/bar')] = true;
    dirs[path.resolve('/foo/bar/symlinked')] = true;

if (resolved.indexOf('symlinked') >= 0) {
                    cb(null, resolved);
                    return;
                }

var ext = path.extname(resolved);

if (ext) {
                    var dir = path.dirname(resolved);
                    var base = path.basename(resolved);
                    cb(null, path.join(dir, 'symlinked', base));
                } else {
                    cb(null, path.join(resolved, 'symlinked'));
                }
            }
        };
    }

resolve('./baz', opts('/foo/bar'), function (err, res, pkg) {
        if (err) return t.fail(err);
        t.equal(res, path.resolve('/foo/bar/symlinked/baz.js'));
        t.equal(pkg, undefined);
    });

resolve('./baz.js', opts('/foo/bar'), function (err, res, pkg) {
        if (err) return t.fail(err);
        t.equal(res, path.resolve('/foo/bar/symlinked/baz.js'));
        t.equal(pkg, undefined);
    });
});

test('readPackage', function (t) {
    t.plan(3);

var files = {};
    files[path.resolve('/foo/node_modules/bar/something-else.js')] = 'beep';
    files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({
        main: './baz.js'
    });
    files[path.resolve('/foo/node_modules/bar/baz.js')] = 'boop';

var dirs = {};
    dirs[path.resolve('/foo')] = true;
    dirs[path.resolve('/foo/node_modules')] = true;

t.test('with readFile', function (st) {
        st.plan(3);

resolve('bar', opts('/foo'), function (err, res, pkg) {
            st.error(err);
            st.equal(res, path.resolve('/foo/node_modules/bar/baz.js'));
            st.equal(pkg && pkg.main, './baz.js');
        });
    });

t.test('with readPackage', function (st) {
        st.plan(3);

var options = opts('/foo');
        delete options.readFile;
        options.readPackage = readPackage;
        resolve('bar', options, function (err, res, pkg) {
            st.error(err);
            st.equal(res, path.resolve('/foo/node_modules/bar/something-else.js'));
            st.equal(pkg && pkg.main, './something-else.js');
        });
    });

t.test('with readFile and readPackage', function (st) {
        st.plan(1);

var options = opts('/foo');
        options.readPackage = readPackage;
        resolve('bar', options, function (err) {
            st.throws(function () { throw err; }, TypeError, 'errors when both readFile and readPackage are provided');
        });
    });
});

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