refactoring of es6 test skeleton

spec-es6/mini_test.js

@@ -0,0 +1,41 @@
+export function describe(name, cb) {
+    console.log(`Running ${name}`);
+
+    cb();
+}
+
+export async function it(name, cb) {
+    console.log(`      Running ${name}`);
+
+    cb();
+}
+
+let errorCount = 0;
+
+export function expect(val) {
+    return {
+        toEqual: comparedVal => {
+            const jsonVal = JSON.stringify(val);
+            const comparedJsonVal = JSON.stringify(comparedVal);
+
+            if (jsonVal !== comparedJsonVal) {
+                console.trace("toEqual check failed.");
+                console.error(`expected: ${comparedJsonVal}`);
+                console.error(`got:      ${jsonVal}`);
+
+                errorCount++;
+            }
+        }
+    }
+}
+
+export function execute() {
+    console.log("");
+
+    if (errorCount) {
+        console.log(`!!!${errorCount} tests failed!!!`);
+    }
+    else {
+        console.log("All tests passed!");
+    }
+}