From 8e99f04d9cbc420176e6c28cbff30374dba7e03c Mon Sep 17 00:00:00 2001
From: twells46 <tom@wellsth.com>
Date: Sun, 25 Jan 2026 11:14:07 -0600
Subject: Initial commit

---
 src/deconstruct.test.ts | 79 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/deconstruct.test.ts

(limited to 'src/deconstruct.test.ts')

diff --git a/src/deconstruct.test.ts b/src/deconstruct.test.ts
new file mode 100644
index 0000000..e374dd5
--- /dev/null
+++ b/src/deconstruct.test.ts
@@ -0,0 +1,79 @@
+import { SFItem, derive, add, BaseComponents, get } from './deconstruct';
+
+test('base returns 1', () => {
+  const item: SFItem = {
+    name: 'Iron Ingot',
+    id: 'iron_ingot',
+    type: 'base'
+  };
+  const expected = new Map([[item.id, 30]]);
+  expect(derive(item)).toMatchObject(expected);
+});
+
+test('add', () => {
+  const curr: BaseComponents = [['iron_ingot', 30]];
+  const val = add(['iron_ingot', 10], curr);
+  const expected = [['iron_ingot', 40]];
+  expect(val).toMatchObject(expected);
+});
+
+test('add2', () => {
+  const curr: BaseComponents = [['copper_ore', 10], ['iron_ingot', 30]];
+  const val = add(['iron_ingot', 10], curr);
+  const expected = [['copper_ore', 10], ['iron_ingot', 40]];
+  expect(val).toMatchObject(expected);
+});
+
+test('get undefined', () => {
+  const ITEMS: Array<SFItem> = [
+    {
+      name: 'Iron Ingot',
+      id: 'iron_ingot',
+      type: 'base'
+    },
+  ];
+  const val = get('iron_plate', ITEMS);
+  const expected = undefined;
+  expect(val).toBe(expected);
+});
+
+test('get existing', () => {
+  const ITEMS: Array<SFItem> = [
+    {
+      name: 'Iron Ingot',
+      id: 'iron_ingot',
+      type: 'base'
+    },
+  ];
+  const val = get('iron_ingot', ITEMS);
+  const expected = ITEMS[0];
+  expect(val).toMatchObject(expected);
+});
+
+test('level 1', () => {
+  const item: SFItem = {
+    name: 'Iron Plate',
+    id: 'iron_plate',
+    type: 'derived',
+    recipe: {
+        in: [['iron_ingot', 30]],
+        out: 20
+    }
+  };
+  const expected = [['iron_ingot', 30]];
+  expect(derive(item)).toMatchObject(expected);
+});
+
+test('level 2', () => {
+  const item: SFItem = {
+        name: 'Screw',
+        id: 'screw',
+        type: 'derived',
+        recipe: {
+            in: [['iron_rod', 10]],
+            out: 40
+        }
+    };
+  const expected = [['iron_ingot', 40]];
+  expect(derive(item)).toMatchObject(expected);
+});
-- 
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