Add a few more e2e tests (#34)

* fix: restore default export

* another e2e test

* test default import

* do not snapshot mul e2e test value

Author: bahmutov

__snapshots__/e2e_spec.js

@@ -48,3 +48,33 @@ context('math.js', function () {
 },{"./math":1}]},{},[2]);
 
 `
+
+exports['sub import'] = `
+(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+"use strict";
+
+var sub = function sub(a, b) {
+  return a - b;
+};
+
+module.exports = {
+  sub: sub
+};
+
+},{}],2:[function(require,module,exports){
+"use strict";
+
+var _sub = require("./sub");
+
+context('sub.js', function () {
+  it('imports function', function () {
+    expect(_sub.sub, 'sub').to.be.a('function');
+  });
+  it('can subtract numbers', function () {
+    expect((0, _sub.sub)(1, 2)).to.eq(-1);
+  });
+});
+
+},{"./sub":1}]},{},[2]);
+
+`

test/e2e/e2e_spec.js

@@ -35,11 +35,29 @@ describe('browserify preprocessor - e2e', function () {
 
 describe('imports and exports', () => {
   it('handles imports and exports', () => {
-
     return bundle('math_spec.js').then((output) => {
       // check that bundled tests work
       eval(output)
       snapshot('math default exports', output)
     })
   })
+
+  it('handles module.exports and import', () => {
+    return bundle('sub_spec.js').then((output) => {
+      // check that bundled tests work
+      eval(output)
+      snapshot('sub import', output)
+    })
+  })
+
+  it('handles module.exports and default import', () => {
+    return bundle('mul_spec.js').then((output) => {
+      // check that bundled tests work
+      eval(output)
+      // for some reason, this bundle included full resolved path
+      // to interop require module
+      // which on CI generates different path.
+      // so as long as eval works, do not snapshot it
+    })
+  })
 })

test/fixtures/mul.js

@@ -0,0 +1 @@
+module.exports = (a, b) => a * b

test/fixtures/mul_spec.js

@@ -0,0 +1,10 @@
+import mul from './mul'
+
+context('mul.js imports default', function () {
+  it('imports function', () => {
+    expect(mul, 'mul').to.be.a('function')
+  })
+  it('can multiply numbers', function () {
+    expect(mul(3, 2)).to.eq(6)
+  })
+})

test/fixtures/sub.js

@@ -0,0 +1,3 @@
+const sub = (a, b) => a - b
+
+module.exports = {sub}

test/fixtures/sub_spec.js

@@ -0,0 +1,10 @@
+import { sub } from './sub'
+
+context('sub.js', function () {
+  it('imports function', () => {
+    expect(sub, 'sub').to.be.a('function')
+  })
+  it('can subtract numbers', function () {
+    expect(sub(1, 2)).to.eq(-1)
+  })
+})