fix(Asset Repair): Add tests
diff --git a/erpnext/assets/doctype/asset_repair/asset_repair.py b/erpnext/assets/doctype/asset_repair/asset_repair.py
index 9f09643..4ca6fbc 100644
--- a/erpnext/assets/doctype/asset_repair/asset_repair.py
+++ b/erpnext/assets/doctype/asset_repair/asset_repair.py
@@ -172,7 +172,6 @@
 		if asset.to_date > schedule_date:
 			row.total_number_of_depreciations += 1
 
-			
 @frappe.whitelist()
 def get_downtime(failure_date, completion_date):
 	downtime = time_diff_in_hours(completion_date, failure_date)
diff --git a/erpnext/assets/doctype/asset_repair/test_asset_repair.py b/erpnext/assets/doctype/asset_repair/test_asset_repair.py
index 3d325a9..9c9dd44 100644
--- a/erpnext/assets/doctype/asset_repair/test_asset_repair.py
+++ b/erpnext/assets/doctype/asset_repair/test_asset_repair.py
@@ -2,8 +2,170 @@
 # Copyright (c) 2017, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
 from __future__ import unicode_literals
-
+import frappe
+from frappe.utils import nowdate, flt
 import unittest
+from erpnext.assets.doctype.asset.test_asset import create_asset_data, create_asset, set_depreciation_settings_in_company
 
 class TestAssetRepair(unittest.TestCase):
-	pass
+	def setUp(self):
+		set_depreciation_settings_in_company()
+		create_asset_data()
+		frappe.db.sql("delete from `tabTax Rule`")
+
+	def test_completion_date(self):
+		asset_repair = create_asset_repair()
+		asset_repair.repair_status = "Completed"
+		asset_repair.save()
+		self.assertTrue(asset_repair.completion_date)
+
+	def test_update_status(self):
+		asset = create_asset()
+		initial_status = asset.status
+		asset_repair = create_asset_repair(asset = asset)
+
+		if asset_repair.repair_status == "Pending":
+			asset.reload()
+			self.assertEqual(asset.status, "Out of Order")
+
+		asset_repair.repair_status = "Completed"
+		asset_repair.save()
+		asset_status = frappe.db.get_value("Asset", asset_repair.asset, "status")
+		self.assertEqual(asset_status, initial_status)
+
+	def test_stock_item_total_value(self):
+		asset_repair = create_asset_repair(stock_consumption = 1)
+
+		for item in asset_repair.stock_items:
+			total_value = flt(item.valuation_rate) * flt(item.consumed_quantity)
+			self.assertEqual(item.total_value, total_value)
+
+	def test_total_repair_cost(self):
+		asset_repair = create_asset_repair(stock_consumption = 1)
+
+		total_repair_cost = asset_repair.repair_cost
+		self.assertEqual(total_repair_cost, asset_repair.repair_cost)
+		for item in asset_repair.stock_items:
+			total_repair_cost += item.total_value
+			
+		self.assertEqual(total_repair_cost, asset_repair.total_repair_cost)
+
+	def test_repair_status_after_submit(self):
+		asset_repair = create_asset_repair(submit = 1)
+		self.assertNotEqual(asset_repair.repair_status, "Pending")
+
+	def test_stock_items(self):
+		asset_repair = create_asset_repair(stock_consumption = 1)
+		self.assertTrue(asset_repair.stock_consumption)
+		self.assertTrue(asset_repair.stock_items)
+
+	def test_warehouse(self):
+		asset_repair = create_asset_repair(stock_consumption = 1)
+		self.assertTrue(asset_repair.stock_consumption)
+		self.assertTrue(asset_repair.warehouse)
+
+	def test_decrease_stock_quantity(self):
+		asset_repair = create_asset_repair(stock_consumption = 1, submit = 1)
+		stock_entry = frappe.get_last_doc('Stock Entry')
+
+		self.assertEqual(stock_entry.stock_entry_type, "Material Issue")
+		self.assertEqual(stock_entry.items[0].s_warehouse, asset_repair.warehouse)
+		self.assertEqual(stock_entry.items[0].item_code, asset_repair.stock_items[0].item)
+		self.assertEqual(stock_entry.items[0].qty, asset_repair.stock_items[0].consumed_quantity)
+
+	def test_increase_in_asset_value_due_to_stock_consumption(self):
+		asset = create_asset()
+		initial_asset_value = asset.asset_value
+		asset_repair = create_asset_repair(asset= asset, stock_consumption = 1, submit = 1)
+		asset.reload()
+
+		increase_in_asset_value = asset.asset_value - initial_asset_value
+		self.assertEqual(asset_repair.stock_items[0].total_value, increase_in_asset_value)
+
+	def test_increase_in_asset_value_due_to_repair_cost_capitalisation(self):
+		asset = create_asset()
+		initial_asset_value = asset.asset_value
+		asset_repair = create_asset_repair(asset= asset, capitalize_repair_cost = 1, submit = 1)
+		asset.reload()
+
+		increase_in_asset_value = asset.asset_value - initial_asset_value
+		self.assertEqual(asset_repair.repair_cost, increase_in_asset_value)
+
+	def test_purchase_invoice(self):
+		asset_repair = create_asset_repair(capitalize_repair_cost = 1, submit = 1)
+		self.assertTrue(asset_repair.purchase_invoice)
+
+	def test_gl_entries(self):
+		asset_repair = create_asset_repair(capitalize_repair_cost = 1, submit = 1)
+		gl_entry = frappe.get_last_doc('GL Entry')
+		self.assertEqual(asset_repair.name, gl_entry.voucher_no)
+
+	def test_increase_in_asset_life(self):
+		asset = create_asset(calculate_depreciation = 1)
+		initial_num_of_depreciations = num_of_depreciations(asset)
+		create_asset_repair(asset= asset, capitalize_repair_cost = 1, submit = 1)
+		asset.reload()
+		self.assertEqual((initial_num_of_depreciations + 1), num_of_depreciations(asset))
+
+def num_of_depreciations(asset):
+	return asset.finance_books[0].total_number_of_depreciations
+
+def create_asset_repair(**args):
+	from erpnext.stock.doctype.warehouse.test_warehouse import create_warehouse
+	from erpnext.accounts.doctype.purchase_invoice.test_purchase_invoice import make_purchase_invoice
+
+	args = frappe._dict(args)
+
+	if args.asset:
+		asset = args.asset
+	else:
+		asset = create_asset(is_existing_asset = 1)
+	asset_repair = frappe.new_doc("Asset Repair")
+	asset_repair.update({
+		"asset": asset.name,
+		"asset_name": asset.asset_name,
+		"failure_date": nowdate(),
+		"description": "Test Description",
+		"repair_cost": 0
+	})
+
+	if args.stock_consumption:
+		asset_repair.stock_consumption = 1
+		asset_repair.warehouse = create_warehouse("Test Warehouse", company = asset.company)
+		asset_repair.append("stock_items", {
+			"item": args.item or args.item_code or "_Test Item",
+			"valuation_rate": args.rate if args.get("rate") is not None else 100,
+			"consumed_quantity": args.qty or 1
+		})
+
+	try:
+		asset_repair.save()
+	except frappe.DuplicateEntryError:
+		pass
+
+	if args.submit:
+		asset_repair.repair_status = "Completed"
+		asset_repair.cost_center = "_Test Cost Center - _TC"
+
+		if args.stock_consumption:
+			stock_entry = frappe.get_doc({
+				"doctype": "Stock Entry",
+				"stock_entry_type": "Material Receipt",
+				"company": asset.company
+			})
+			stock_entry.append('items', {
+				"t_warehouse": asset_repair.warehouse,
+				"item_code": asset_repair.stock_items[0].item,
+				"qty": asset_repair.stock_items[0].consumed_quantity
+			})
+			stock_entry.submit()
+
+		if args.capitalize_repair_cost:
+			asset_repair.capitalize_repair_cost = 1
+			asset_repair.repair_cost = 1000
+			if asset.calculate_depreciation:
+				asset_repair.increase_in_asset_life = 12
+			asset_repair.purchase_invoice = make_purchase_invoice().name
+
+		asset_repair.submit()
+	return asset_repair
\ No newline at end of file