[IMP] snailmail_account: Add tests to make sure that all default templates can be sent with Pingen

Add tests to make sure that, with sample data, the format of the invoices is accepted by Pingen.

addons/snailmail_account/__init__.py

@@ -2,3 +2,4 @@
 
 from . import models
 from . import wizard
+from . import tests

addons/snailmail_account/tests/__init__.py

@@ -0,0 +1 @@
+from . import test_pingen_send

addons/snailmail_account/tests/test_pingen_send.py

@@ -0,0 +1,96 @@
+
+import requests
+import json
+import base64
+
+from odoo.addons.account.tests.account_test_classes import AccountingTestCase
+from odoo.tests import tagged
+
+@tagged('post_install', '-at_install', '-standard', 'external')
+class TestPingenSend(AccountingTestCase):
+
+    def setUp(self):
+        super(TestPingenSend, self).setUp()
+        self.pingen_url = "https://stage-api.pingen.com/document/upload/token/30fc3947dbea4792eb12548b41ec8117/"
+        self.sample_invoice = self.create_invoice()
+        self.sample_invoice.partner_id.vat = "BE000000000"
+        self.letter = self.env['snailmail.letter'].create({
+            'partner_id': self.sample_invoice.partner_id.id,
+            'model': 'account.invoice',
+            'res_id': self.sample_invoice.id,
+            'user_id': self.env.user.id,
+            'company_id': self.sample_invoice.company_id.id,
+            'report_template': self.env.ref('account.account_invoices').id
+        })
+        self.data = {
+            'data': json.dumps({
+                'speed': 1,
+                'color': 2,
+                'duplex': 0,
+                'send': True,
+            })
+        }
+
+    def create_invoice(self):
+        """ Create a sample invoice """
+        currency = self.env.ref('base.EUR')
+        partner_agrolait = self.env.ref("base.res_partner_2")
+        product = self.env.ref("product.product_product_4")
+
+        account_receivable = self.env['account.account'].create({
+            'code': 'TESTPINGEN1',
+            'name': 'Test Receivable Account',
+            'user_type_id': self.env.ref('account.data_account_type_receivable').id,
+            'reconcile': True
+        })
+        account_income = self.env['account.account'].create({
+            'code': 'TESTPINGEN2',
+            'name': 'Test Account',
+            'user_type_id': self.env.ref('account.data_account_type_direct_costs').id
+        })
+
+        invoice = self.env['account.invoice'].create({
+            'partner_id': partner_agrolait.id,
+            'currency_id': currency.id,
+            'name': 'invoice to client',
+            'account_id': account_receivable.id,
+            'type': 'out_invoice',
+            'date_invoice': '2018-12-11',
+        })
+
+        self.env['account.invoice.line'].create({
+            'product_id': product.id,
+            'quantity': 1,
+            'price_unit': 42,
+            'invoice_id': invoice.id,
+            'name': 'something',
+            'account_id': account_income.id,
+        })
+
+        invoice.action_invoice_open()
+
+        return invoice
+
+    def render_and_send(self, report_name):
+        self.sample_invoice.company_id.external_report_layout_id = self.env.ref('web.' + report_name)
+        self.letter.attachment_id = False
+        attachment_id = self.letter.with_context(force_report_rendering=True)._fetch_attachment()
+
+        files = {
+            'file': ('pingen_test_%s.pdf' % report_name, base64.b64decode(attachment_id.datas), 'application/pdf'),
+        }
+
+        response = requests.post(self.pingen_url, data=self.data, files=files)
+
+        try:
+            response.raise_for_status()
+        except:
+            return False
+
+        return True
+
+    def test_pingen_send_invoice(self):
+        self.assertTrue(self.render_and_send('external_layout_standard'))
+        self.assertTrue(self.render_and_send('external_layout_background'))
+        self.assertTrue(self.render_and_send('external_layout_boxed'))
+        self.assertTrue(self.render_and_send('external_layout_clean'))