1 files changed, 35 insertions, 0 deletions
diff --git a/lib/modifiers/config/__tests__/addPlugin.js b/lib/modifiers/config/__tests__/addPlugin.js
new file mode 100644
index 0000000..319a980
--- /dev/null
+++ b/lib/modifiers/config/__tests__/addPlugin.js
@@ -0,0 +1,35 @@
+var addPlugin = require('../addPlugin');
+var Config = require('../../../models/config');
+var Book = require('../../../models/book');
+
+describe('addPlugin', function() {
+    var config = Config.createWithValues({
+        plugins: ['hello', 'world', '-disabled']
+    });
+    var book = Book().setConfig(config);
+
+    it('should have correct state of dependencies', function() {
+        var disabledDep = config.getPluginDependency('disabled');
+
+        expect(disabledDep).toBeDefined();
+        expect(disabledDep.getVersion()).toEqual('*');
+        expect(disabledDep.isEnabled()).toBeFalsy();
+    });
+
+    it('should add the plugin to the list', function() {
+        var newBook = addPlugin(book, 'test');
+        var newConfig = newBook.getConfig();
+
+        var testDep = newConfig.getPluginDependency('test');
+        expect(testDep).toBeDefined();
+        expect(testDep.getVersion()).toEqual('*');
+        expect(testDep.isEnabled()).toBeTruthy();
+
+        var disabledDep = newConfig.getPluginDependency('disabled');
+        expect(disabledDep).toBeDefined();
+        expect(disabledDep.getVersion()).toEqual('*');
+        expect(disabledDep.isEnabled()).toBeFalsy();
+    });
+});
+
+