test: make test util helpers smarter

packages/test-utils/read.js

@@ -3,6 +3,11 @@
 var fs = require("fs"),
     path = require("path");
 
-module.exports = (cwd) =>
-    (name) =>
-        fs.readFileSync(path.join(cwd, "./output", name), "utf8");
+module.exports = (cwd) => {
+    const read = (name) =>
+        fs.readFileSync(path.join(cwd, name), "utf8");
+
+    read.cwd = cwd;
+
+    return read;
+};

packages/test-utils/write.js

@@ -0,0 +1,20 @@
+"use strict";
+
+const fs = require("fs");
+const path = require("path");
+
+const shell = require("shelljs");
+
+module.exports = (cwd) => {
+    const write = (name, contents) => {
+        const dest = path.join(cwd, name);
+
+        shell.mkdir("-p", path.dirname(dest));
+
+        fs.writeFileSync(path.join(cwd, name), contents, "utf8");
+    };
+
+    write.cwd = cwd;
+
+    return write;
+};