[ui-test] added test for bill_of_materials (#10063)

* temporary commit for switching branches

* [ui-tests] added bill_of_materials test

* fixed minor codacy problems

* added minor requested changes

erpnext/manufacturing/doctype/bom/test_bom.js

@@ -0,0 +1,62 @@
+QUnit.test("test: item", function (assert) {
+	assert.expect(1);
+	let done = assert.async();
+
+	frappe.run_serially([
+		// test item creation
+		() => frappe.set_route("List", "Item"),
+
+		// Create a BOM for a laptop
+		() => frappe.tests.make(
+			"BOM", [
+				{item: "Laptop"},
+				{quantity: 1},
+				{with_operations: 1},
+				{operations: [
+					[
+						{operation: "Assemble CPU"},
+						{time_in_mins: 60},
+					],
+					[
+						{operation: "Assemble Keyboard"},
+						{time_in_mins: 30},
+					],
+					[
+						{operation: "Assemble Screen"},
+						{time_in_mins: 30},
+					]
+				]},
+				{scrap_items: [
+					[
+						{item_code: "Scrap item"}
+					]
+				]},
+				{items: [
+					[
+						{item_code: "CPU"},
+						{qty: 1}
+					],
+					[
+						{item_code: "Keyboard"},
+						{qty: 1}
+					],
+					[
+						{item_code: "Screen"},
+						{qty: 1}
+					]
+				]},
+			]
+		),
+		() => cur_frm.savesubmit(),
+		() => frappe.timeout(1),
+		() => frappe.click_button('Yes'),
+		() => frappe.timeout(1),
+
+		() => {
+			assert.ok(cur_frm.doc.operating_cost + cur_frm.doc.raw_material_cost -
+			cur_frm.doc.scrap_material_cost == cur_frm.doc.total_cost, 'Total_Cost calculated correctly');
+		},
+
+		() => done()
+	]);
+});

erpnext/tests/ui/tests.txt

@@ -8,3 +8,4 @@ erpnext/manufacturing/doctype/workstation/test_workstation.js
 erpnext/manufacturing/doctype/operation/test_operation.js
 erpnext/hr/doctype/holiday_list/test_holiday_list.js
 erpnext/hr/doctype/branch/test_branch.js
+erpnext/manufacturing/doctype/bom/test_bom.js