diff --git a/app/modules/services/lightbox-factory.service.spec.coffee b/app/modules/services/lightbox-factory.service.spec.coffee
new file mode 100644
index 00000000..c939e66b
--- /dev/null
+++ b/app/modules/services/lightbox-factory.service.spec.coffee
@@ -0,0 +1,71 @@
+describe "tgLightboxFactory", ->
+    lightboxFactoryService = provide = null
+    mocks = {}
+
+    _mockRootScope = () ->
+        mocks.rootScope = sinon.stub()
+        provide.value "$rootScope", {$new: mocks.rootScope}
+
+    _mockCompile = () ->
+        mocks.compile = sinon.stub()
+        fn = () -> "<p id='fake'>fake</p>"
+        mocks.compile.returns(fn)
+        provide.value "$compile", mocks.compile
+
+    _inject = (callback) ->
+        inject (_tgLightboxFactory_) ->
+            lightboxFactoryService = _tgLightboxFactory_
+            callback() if callback
+
+    _mocks = () ->
+        module ($provide) ->
+            provide = $provide
+            _mockRootScope()
+            _mockCompile()
+
+            return null
+
+    _setup = ->
+        _mocks()
+
+    beforeEach ->
+        module "taigaCommon"
+        _setup()
+        _inject()
+
+    it "insert directive", () ->
+        lightboxFactoryService.create("fake-directive")
+
+        expect($(document.body).find("#fake")).to.have.length(1)
+
+    it "directive must have the tg-bind-scope directive", () ->
+        lightboxFactoryService.create("fake-directive")
+
+        checkDirective = sinon.match ( (value) ->
+            return value.attr("tg-bind-scope")
+        ), "checkDirective"
+
+        expect(mocks.compile.withArgs(checkDirective)).to.have.been.calledOnce
+
+    it "custom attributes", () ->
+        attrs = {
+            "class": "x1",
+            "id": "x2"
+        }
+
+        lightboxFactoryService.create("fake-directive", attrs)
+
+        checkAttributes = sinon.match ( (value) ->
+            return value.attr("class") == "x1" && value.attr("id") == "x2"
+        ), "checkAttributes"
+
+        expect(mocks.compile.withArgs(checkAttributes)).to.have.been.calledOnce
+
+    it "directive has class remove-on-close", () ->
+        lightboxFactoryService.create("fake-directive")
+
+        checkClass = sinon.match ( (value) ->
+            return value.hasClass("remove-on-close")
+        ), "checkClass"
+
+        expect(mocks.compile.withArgs(checkClass)).to.have.been.calledOnce