diff --git a/modules/account_fr_chorus/setup.py b/modules/account_fr_chorus/setup.py
index b7eae5968e..21cb788c44 100755
--- a/modules/account_fr_chorus/setup.py
+++ b/modules/account_fr_chorus/setup.py
@@ -47,7 +47,11 @@ for dep in info.get('depends', []):
         requires.append(get_require_version('trytond_%s' % dep))
 requires.append(get_require_version('trytond'))
 
-tests_require = [get_require_version('trytond_edocument_uncefact')]
+tests_require = [
+    get_require_version('proteus'),
+    get_require_version('trytond_account_fr'),
+    get_require_version('trytond_edocument_uncefact'),
+    ]
 
 setup(name=name,
     version=version,
diff --git a/modules/account_fr_chorus/tests/scenario_account_fr_chorus_invoice.rst b/modules/account_fr_chorus/tests/scenario_account_fr_chorus_invoice.rst
new file mode 100644
index 0000000000..ea3a0a992f
--- /dev/null
+++ b/modules/account_fr_chorus/tests/scenario_account_fr_chorus_invoice.rst
@@ -0,0 +1,135 @@
+=========================
+Account FR Chorus Invoice
+=========================
+
+Imports::
+
+    >>> import os
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.tests.tools import activate_modules
+    >>> from trytond.modules.currency.tests.tools import get_currency
+    >>> from trytond.modules.company.tests.tools import (
+    ...     create_company, get_company)
+    >>> from trytond.modules.account.tests.tools import (
+    ...     create_fiscalyear, create_chart, get_accounts)
+    >>> from trytond.modules.account_invoice.tests.tools import (
+    ...     set_fiscalyear_invoice_sequences)
+
+Patch SIRET validation::
+
+    >>> from unittest.mock import patch
+    >>> from trytond.modules.party.party import Identifier
+    >>> mock = patch.object(
+    ...     Identifier, 'check_code',
+    ...     return_value=None).start()
+
+Activate modules::
+
+    >>> config = activate_modules([
+    ...     'account_fr_chorus', 'edocument_uncefact', 'account_fr'])
+
+    >>> AccountConfig = Model.get('account.configuration')
+    >>> Cron = Model.get('ir.cron')
+    >>> Invoice = Model.get('account.invoice')
+    >>> InvoiceChorus = Model.get('account.invoice.chorus')
+    >>> Party = Model.get('party.party')
+    >>> Tax = Model.get('account.tax')
+
+Create company::
+
+    >>> _ = create_company(currency=get_currency('EUR'))
+    >>> company = get_company()
+    >>> company_party = company.party
+    >>> company_address, = company_party.addresses
+    >>> company_address.postal_code = '99999'
+    >>> company_address.street = "Street"
+    >>> company_address.city = "City"
+    >>> siret = company_party.identifiers.new(type='fr_siret')
+    >>> siret.code = os.getenv('CHORUS_COMPANY_SIRET')
+    >>> siret.address = company_address
+    >>> company_party.save()
+
+Create fiscal year::
+
+    >>> fiscalyear = set_fiscalyear_invoice_sequences(create_fiscalyear())
+    >>> fiscalyear.click('create_period')
+
+Create chart of accounts::
+
+    >>> _ = create_chart(chart='account_fr.root')
+    >>> acccounts = get_accounts()
+
+    >>> tax, = Tax.find([
+    ...         ('group.kind', '=', 'sale'),
+    ...         ('name', 'ilike', '%normal%'),
+    ...         ], limit=1)
+    >>> tax.template_override = True
+    >>> tax.unece_code = 'VAT'
+    >>> tax.unece_category_code = 'S'
+    >>> for child in tax.childs:
+    ...     child.template_override = True
+    ...     child.unece_code = tax.unece_code
+    ...     child.unece_category_code = tax.unece_category_code
+    >>> tax.save()
+
+Configure Chorus::
+
+    >>> account_config = AccountConfig(1)
+    >>> account_config.chorus_piste_client_id = os.getenv(
+    ...     'CHORUS_PISTE_CLIENT_ID')
+    >>> account_config.chorus_piste_client_secret = os.getenv(
+    ...     'CHORUS_PISTE_CLIENT_SECRET')
+    >>> account_config.chorus_login = os.getenv(
+    ...     'CHORUS_LOGIN')
+    >>> account_config.chorus_password = os.getenv(
+    ...     'CHORUS_PASSWORD')
+    >>> account_config.chorus_service = 'service-qualif'
+    >>> account_config.chorus_syntax = 'edocument.uncefact.invoice'
+    >>> account_config.save()
+
+Create customer::
+
+    >>> customer = Party(name="Customer")
+    >>> customer.chorus = True
+    >>> customer.save()
+    >>> customer_address, = customer.addresses
+    >>> customer_address.street = "Street"
+    >>> siret = customer.identifiers.new(type='fr_siret')
+    >>> siret.code = os.getenv('CHORUS_CUSTOMER_SIRET')
+    >>> siret.address = customer_address
+    >>> customer.save()
+
+Create invoice::
+
+    >>> invoice = Invoice(type='out', party=customer)
+    >>> line = invoice.lines.new()
+    >>> line.account = acccounts['revenue']
+    >>> line.quantity = 5
+    >>> line.unit_price = Decimal('50.0000')
+    >>> line.taxes.append(tax)
+    >>> invoice.click('post')
+    >>> invoice.state
+    'posted'
+
+Check Chorus invoice::
+
+    >>> invoice_chorus, = InvoiceChorus.find([])
+    >>> invoice_chorus.syntax
+    'edocument.uncefact.invoice'
+    >>> invoice_chorus.number
+    >>> invoice_chorus.date
+
+Send to Chorus::
+
+    >>> cron, = Cron.find([('method', '=', 'account.invoice.chorus|send')])
+    >>> cron.click('run_once')
+
+    >>> invoice_chorus.reload()
+    >>> bool(invoice_chorus.number)
+    True
+    >>> bool(invoice_chorus.date)
+    True
+    >>> bool(invoice_chorus.data)
+    True
diff --git a/modules/account_fr_chorus/tests/test_scenario.py b/modules/account_fr_chorus/tests/test_scenario.py
new file mode 100644
index 0000000000..3ee52b344c
--- /dev/null
+++ b/modules/account_fr_chorus/tests/test_scenario.py
@@ -0,0 +1,15 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+import os
+
+from trytond.tests.test_tryton import load_doc_tests
+
+if (os.getenv('CHORUS_PISTE_CLIENT_ID')
+        and os.getenv('CHORUS_PISTE_CLIENT_SECRET')
+        and os.getenv('CHORUS_LOGIN')
+        and os.getenv('CHORUS_PASSWORD')
+        and os.getenv('CHORUS_COMPANY_SIRET')
+        and os.getenv('CHORUS_CUSTOMER_SIRET')):
+    def load_tests(*args, **kwargs):
+        return load_doc_tests(__name__, __file__, *args, **kwargs)