Update tests.

test/state.js

@@ -0,0 +1,43 @@
+/* vim:set ts=2 sw=2 sts=2 expandtab */
+/*jshint asi: true undef: true es5: true node: true browser: true devel: true
+         forin: true latedef: false globalstrict: true*/
+
+"use strict";
+
+var state = require("../state")
+var patch = require("../state/patch")
+var diff = require("../state/diff")
+
+// Utility that resets prototype of hash back to Object.prototype
+function reset(hash) { return JSON.parse(JSON.stringify(hash)) }
+
+
+exports["test one"] = function (assert) {
+  var s1 = state()
+
+  assert.equal(diff(s1), s1, "diff for for initial state is itself")
+  assert.deepEqual(reset(s1), {}, "initial state is empty hash")
+
+  var delta1 = {
+    foo: { bar: "baz" },
+    foo2: { l: "x" }
+  }
+  var s2 = patch(s1, delta1)
+
+  assert.equal(diff(s2), delta1, "diff returns delta applied to previous state")
+  assert.deepEqual(reset(s2), {
+    foo: { bar: "baz" },
+    foo2: { l: "x" }
+  }, "first patch was applied properly")
+
+  var delta2 = { x: "42", foo: { baz: "bar" } }
+
+  var s3 = patch(s2, delta2)
+
+  assert.equal(diff(s3), delta2, "diff returns delta applied to previous state")
+  assert.deepEqual(reset(s3), {
+      foo: { bar: "baz", baz: "bar" },
+      foo2: { l: "x" },
+      x: "42"
+  }, "nested changes applied properly")
+}

test/test-all.js

@@ -4,65 +4,7 @@
 
 "use strict";
 
-var State = require("../state")
-var patch = State.patch
-var diff = State.diff
-
-exports["test one"] = function (assert) {
-    var s = new State()
-    var delta = diff(s)
-
-    assert.deepEqual(s, {}, "initial state")
-    assert.equal(JSON.stringify(s), "{}", "patch value 1")
-    assert.strictEqual(delta, null, "delta value 1")
-
-    var s2 = patch(s, {
-        foo: {
-            bar: "baz"
-        }
-        , foo2: {
-            l: "x"
-        }
-    })
-    var delta2 = diff(s2)
-    assert.equal(JSON.stringify(delta2), JSON.stringify({
-        foo: {
-            bar: "baz"
-        }
-        , foo2: {
-            l: "x"
-        }
-    }), "delta value 2")
-
-    assert.equal(JSON.stringify(s2), JSON.stringify({
-        foo: {
-            bar: "baz"
-        }
-        , foo2: {
-            l: "x"
-        }
-    }), "patch value 2")
-
-    var s3 = patch(s2, {
-        x: "42"
-        , foo: "53"
-    })
-    var delta3 = diff(s3)
-
-    assert.equal(JSON.stringify(delta3), JSON.stringify({
-        x: "42"
-        , foo: "53"
-    }), "delta value 3")
-
-    assert.equal(JSON.stringify(s3), JSON.stringify({
-
-        foo: "53"
-        , foo2: {
-            l: "x"
-        }
-        , x: "42"
-    }), "patch value 3")
-}
+exports["test state"] = require("./state")
 
 if (module === require.main) {
     require("test").run(exports)