Merge pull request #123 from myitcv/add_div_test_with_dataset

tests: add <div> elem test with demo of DataSet

Author: myitcv

_scripts/run_tests.sh

@@ -87,6 +87,7 @@ if [ "${CI:-}" == "true" ]
 then
 	# off the back of https://github.com/myitcv/react/issues/116#issuecomment-380280847
 	# ensure that we can go get myitcv.io/react/... in a totally clean environment
+	echo "Verify that we can go get myitcv.io/react/..."
 	cd `mktemp -d`
 	export GOPATH=$PWD
 	go get myitcv.io/react/...

div_elem_test.go

@@ -0,0 +1,34 @@
+// +build js
+
+package react_test
+
+import (
+	"testing"
+
+	"honnef.co/go/js/dom"
+
+	"myitcv.io/react"
+	"myitcv.io/react/testutils"
+)
+
+func TestDivElem(t *testing.T) {
+	class := "test"
+
+	div := react.Div(
+		&react.DivProps{
+			ClassName: class,
+			DataSet: react.DataSet{
+				"toggle": "dropdown",
+			},
+		},
+	)
+
+	x := testutils.Wrapper(div)
+	cont := testutils.RenderIntoDocument(x)
+
+	el := testutils.FindRenderedDOMComponentWithClass(cont, class)
+
+	if _, ok := el.(*dom.HTMLDivElement); !ok {
+		t.Fatal("Failed to find <Div> element")
+	}
+}