add some basic tests

bsconfig.json

@@ -1,7 +1,8 @@
 {
-  "name": "bs-jest",
+  "name": "bs-enzyme",
+  "reason": { "react-jsx": 2 },
   "bs-dependencies": ["reason-react"],
-  "bs-dev-dependencies": ["bs-jest", "bs-enzyme"],
+  "bs-dev-dependencies": ["bs-jest"],
   "bsc-flags": ["-bs-super-errors"],
-  "sources": [{ "dir": "src" }]
+  "sources": [{ "dir": "src" }, { "dir": "src/__tests__", "type": "dev" }]
 }

package.json

@@ -3,18 +3,16 @@
   "version": "0.1.1",
   "description": "Bucklescript bindings for Enzyme",
   "scripts": {
-    "test": "jest",
-    "build": "bsb -make-world"
+    "test": "jest --watch",
+    "build": "bsb -make-world",
+    "watch": "bsb -make-world -w",
+    "clean": "bsb -clean-world"
   },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/rpowelll/bs-enzyme.git"
   },
-  "keywords": [
-    "bucklescript",
-    "enzyme",
-    "testing"
-  ],
+  "keywords": ["bucklescript", "enzyme", "testing"],
   "author": "Rhys Powell",
   "license": "MIT",
   "bugs": {
@@ -25,6 +23,7 @@
     "bs-jest": "^0.1.0",
     "bs-platform": "^1.9.1",
     "jest": "^20.0.4",
+    "react": "^15.6.1",
     "reason-react": "^0.2.3"
   },
   "dependencies": {
@@ -37,13 +36,6 @@
     "bs-platform": ">=1.9.0"
   },
   "jest": {
-    "moduleFileExtensions": [
-      "re",
-      "js",
-      "ml"
-    ],
-    "testMatch": [
-      "lib/js/src/**/*_test.re"
-    ]
+    "testMatch": ["**/src/**/*_test.js"]
   }
 }

src/__tests__/DummyComponent.re

@@ -0,0 +1,24 @@
+type state = {
+  clicked: bool
+};
+let se = ReasonReact.stringToElement;
+let component = ReasonReact.statefulComponent "DummyComponent";
+
+let make title::title handleClick::handleClick _children => {
+  ...component,
+  initialState: fun () => {
+    clicked: false
+  },
+  render: fun {state} => {
+    <div className="dummy">
+      <div id="header">
+        <h1>(se title)</h1>
+      </div>
+      <div id="content">
+        <button id="click-me" onClick=handleClick>
+          (se (state.clicked ? "I've been clicked!" : "Click Me!"))
+        </button>
+      </div>
+    </div>
+  }
+}

src/__tests__/DummyComponent_test.re

@@ -0,0 +1,57 @@
+open Jest;
+
+let setup ::title="Test" ::handleClick=(fun _evt => ()) () =>
+  Enzyme.shallow <DummyComponent title handleClick />;
+
+let header wrapper =>
+  wrapper
+  |> Enzyme.find "#header"
+  |> Enzyme.first;
+
+describe "DummyComponent" (fun () => {
+  open Expect;
+
+  test "renders a #header" (fun () => {
+    let title = "A test title";
+    let wrapper = setup title::title ();
+    let headerNodes = wrapper |> header;
+
+    expect (Enzyme.length headerNodes) |> toBe 1;
+  });
+
+  test "has the expected title in the #header" (fun () => {
+    let title = "A test title";
+    let wrapper = setup title::title ();
+    let headerText = wrapper |> header |> Enzyme.text;
+
+    expect headerText |> toContainString title;
+  });
+
+  test "has the expected h1 tag in the #header" (fun () => {
+    let title = "A test title";
+    let wrapper = setup title::title ();
+    let expectedNode = <h1>(ReasonReact.stringToElement title)</h1>;
+
+    expect (Enzyme.contains expectedNode wrapper) |> toBe true;
+  });
+
+  test "has the expected #header" (fun () => {
+    let title = "A test title";
+    let wrapper = setup title::title ();
+    let header = header wrapper;
+    let expectedNode = <div id="header">
+      <h1>(ReasonReact.stringToElement title)</h1>
+    </div>;
+
+    expect (Enzyme.equals expectedNode header) |> toBe true;
+  });
+
+  test "has the expected initialState" (fun () => {
+    let title = "A test title";
+    let wrapper = setup title::title ();
+    let state = Enzyme.state wrapper;
+    Js.log state;
+
+    expect state##reasonState |> toContain 0;
+  });
+});