From 0548ae993c4b2af4393ad6a3b9b333505d0d4698 Mon Sep 17 00:00:00 2001
From: Nick Playfair <nick@playfair.dev>
Date: Mon, 1 Feb 2021 19:42:23 +0000
Subject: [PATCH] getLayers tests

---
 test/index.test.js                      | 30 +++++++++++++++++++++++++
 test/layers/CAMOutputs/Empty/dummy.file |  0
 2 files changed, 30 insertions(+)
 create mode 100644 test/index.test.js
 create mode 100644 test/layers/CAMOutputs/Empty/dummy.file

diff --git a/test/index.test.js b/test/index.test.js
new file mode 100644
index 0000000..09725e3
--- /dev/null
+++ b/test/index.test.js
@@ -0,0 +1,30 @@
+/* eslint-disable */ 
+const path = require('path');
+const fs = require('fs-extra');
+const fileProc = require('../index.js');
+
+const testGerber = path.join(__dirname, 'Arduino-Pro-Mini.zip');
+const testLayers = path.join(__dirname, 'layers');
+const emptyFolder = path.join(__dirname, 'layers', 'Empty');
+
+// getLayers
+test('Promise of an array of layers from a given folder', () => {
+  return fileProc.getLayers2(testLayers).then(data => {
+    expect(data).toEqual(
+      expect.arrayContaining([
+        expect.objectContaining({
+          filename: expect.any(String),
+          gerber: expect.any(fs.ReadStream),
+        })
+      ])
+    );
+  });
+});
+
+test('Non-existent folder should reject promise with error', () => {
+  return expect(fileProc.getLayers2('./invalid_folder')).rejects.toThrow('Layers folder does not exist');
+});
+
+test('Folder with incorrect number of layers should reject promise with error', () => {
+  return expect(fileProc.getLayers2(emptyFolder)).rejects.toThrow('Layer not found');
+});
diff --git a/test/layers/CAMOutputs/Empty/dummy.file b/test/layers/CAMOutputs/Empty/dummy.file
new file mode 100644
index 0000000..e69de29