Add test cases for widl-nan node module testing

test/test-node-module.js

@@ -0,0 +1,143 @@
+// Copyright (c) 2016 Intel Corporation. All rights reserved.
+// Use of this source code is governed by a MIT-style license that can be
+// found in the LICENSE file.
+
+/* global describe, it */
+var widlParser = require('webidl2');
+var fs = require('fs');
+var assert = require('assert');
+var Util = require('./Util.js');
+var rimraf = require('rimraf');
+const g = require('widl-nan').generator;
+const idlFile = './test/command-line/sample.widl';
+
+describe('widl-nan modules test', function() {
+  it('addFile function exist', function() {
+    if (typeof g.addFile === 'function') {
+      assert.ok(true);
+    } else {
+      assert.ok(false);
+    }
+  });
+
+  it('compile function exist', function() {
+    if (typeof g.compile === 'function') {
+      assert.ok(true);
+    } else {
+      assert.ok(false);
+    }
+  });
+
+  it('writeToDir function exist', function() {
+    if (typeof g.writeToDir === 'function') {
+      assert.ok(true);
+    } else {
+      assert.ok(false);
+    }
+  });
+  it('writeToDir /tmp', function(done) {
+    g.addFile(idlFile).then(function() {
+      g.compile();
+      g.writeToDir('/tmp');
+      // check files generated by interface name
+      var nodes = widlParser.parse(fs.readFileSync(idlFile, 'utf-8'));
+      for (var n in nodes) {
+        if (nodes[n].type === 'interface') {
+          assert.equal(Util.isFile('/tmp/nan__' +
+            nodes[n].name.toLowerCase() + '.cpp'), true);
+          assert.equal(Util.isFile('/tmp/nan__' +
+            nodes[n].name.toLowerCase() + '.h'), true);
+          assert.equal(Util.isFile('/tmp/dont-build/' +
+            nodes[n].name.toLowerCase() + '.cpp'), true);
+          assert.equal(Util.isFile('/tmp/dont-build/' +
+            nodes[n].name.toLowerCase() + '.h'), true);
+        }
+      }
+      // check impl files
+      assert.equal(Util.isFile('/tmp/dont-build/addon.cpp'), true);
+      assert.equal(Util.isFile('/tmp/dont-build/binding.gyp'), true);
+      done();
+    });
+  });
+
+  it('writeToDir null', function(done) {
+    var tmpdir = null;
+    g.addFile(idlFile).then(function() {
+      g.compile();
+      g.writeToDir(tmpdir);
+      assert.ok(false);
+      done();
+    }).catch(e => {
+      console.log(e);
+      done();
+    });
+  });
+
+  it('addFile one widl file', function(done) {
+    g.addFile(idlFile).then(function() {
+      g.compile();
+      g.writeToDir('gen');
+      // check files generated by interface name
+      var nodes = widlParser.parse(fs.readFileSync(idlFile, 'utf-8'));
+      for (var n in nodes) {
+        if (nodes[n].type === 'interface') {
+          assert.equal(Util.isFile('gen/nan__' +
+            nodes[n].name.toLowerCase() + '.cpp'), true);
+          assert.equal(Util.isFile('gen/nan__' +
+            nodes[n].name.toLowerCase() + '.h'), true);
+          assert.equal(Util.isFile('gen/dont-build/' +
+            nodes[n].name.toLowerCase() + '.cpp'), true);
+          assert.equal(Util.isFile('gen/dont-build/' +
+            nodes[n].name.toLowerCase() + '.h'), true);
+        }
+      }
+      // check impl files
+      assert.equal(Util.isFile('gen/dont-build/addon.cpp'), true);
+      assert.equal(Util.isFile('gen/dont-build/binding.gyp'), true);
+      rimraf.sync('gen');
+      done();
+    });
+  });
+
+  it('addFile two widl files', function(done) {
+    var idlFile2 = './test/array/array.widl';
+    Promise.all([
+      g.addFile(idlFile),
+      g.addFile(idlFile2)]).then(function() {
+        g.compile();
+        g.writeToDir('gen');
+        // check files generated by interface name
+        var nodes = widlParser.parse(fs.readFileSync(idlFile, 'utf-8'));
+        for (var n in nodes) {
+          if (nodes[n].type === 'interface') {
+            assert.equal(Util.isFile('gen/nan__' +
+              nodes[n].name.toLowerCase() + '.cpp'), true);
+            assert.equal(Util.isFile('gen/nan__' +
+              nodes[n].name.toLowerCase() + '.h'), true);
+            assert.equal(Util.isFile('gen/dont-build/' +
+              nodes[n].name.toLowerCase() + '.cpp'), true);
+            assert.equal(Util.isFile('gen/dont-build/' +
+              nodes[n].name.toLowerCase() + '.h'), true);
+          }
+        }
+        // check impl files
+        assert.equal(Util.isFile('gen/dont-build/addon.cpp'), true);
+        assert.equal(Util.isFile('gen/dont-build/binding.gyp'), true);
+        rimraf.sync('gen');
+        done();
+      });
+  });
+
+  it('addFile invaild widl files', function(done) {
+    var idlFile = './test/test-array.js';
+    g.addFile(idlFile).then(function() {
+      g.compile();
+      g.writeToDir('gen');
+      done();
+    }).catch(e => {
+      console.log(e);
+      rimraf.sync('gen');
+      done();
+    });
+  });
+});