diff --git a/tests/unit/models/line-item-detail-test.js b/tests/unit/models/line-item-detail-test.js
new file mode 100644
index 0000000000..d603eca06c
--- /dev/null
+++ b/tests/unit/models/line-item-detail-test.js
@@ -0,0 +1,39 @@
+import { moduleForModel, test } from 'ember-qunit';
+
+moduleForModel('line-item-detail', 'Unit | Model | line-item-detail', {
+  needs: [
+    'model:pricing'
+  ]
+});
+
+test('amountOwed', function(assert) {
+  let lineItemDetail = this.subject({
+    price: 123.45,
+    quantity: 3
+  });
+  assert.strictEqual(lineItemDetail.get('amountOwed'), 370.35);
+});
+
+test('amountOwed valid price string', function(assert) {
+  let lineItemDetail = this.subject({
+    price: '22.50',
+    quantity: 2
+  });
+  assert.strictEqual(lineItemDetail.get('amountOwed'), 45);
+});
+
+test('amountOwed invalid quantity', function(assert) {
+  let lineItemDetail = this.subject({
+    price: 123.50,
+    quantity: -1
+  });
+  assert.strictEqual(lineItemDetail.get('amountOwed'), 0);
+});
+
+test('amountOwed invalid price', function(assert) {
+  let lineItemDetail = this.subject({
+    price: 'invalid',
+    quantity: 2
+  });
+  assert.strictEqual(lineItemDetail.get('amountOwed'), 0);
+});