add test for m2m and pk name

tests/test_query_with_m2m_and_diff_pk_name.py

@@ -0,0 +1,115 @@
+import asyncio
+from datetime import date
+from typing import List, Optional, Union
+
+import databases
+import pytest
+import sqlalchemy
+
+import ormar
+
+from tests.settings import DATABASE_URL
+
+database = databases.Database(DATABASE_URL)
+metadata = sqlalchemy.MetaData()
+
+
+class MainMeta(ormar.ModelMeta):
+    metadata = metadata
+    database = database
+
+
+class Role(ormar.Model):
+    class Meta(MainMeta):
+        pass
+
+    name: str = ormar.Text(primary_key=True)
+    order: int = ormar.Integer(default=0)
+    description: str = ormar.Text()
+
+
+class Company(ormar.Model):
+    class Meta(MainMeta):
+        pass
+
+    name: str = ormar.Text(primary_key=True)
+
+
+class UserRoleCompany(ormar.Model):
+    class Meta(MainMeta):
+        pass
+
+
+class User(ormar.Model):
+    class Meta(MainMeta):
+        pass
+
+    registrationnumber: str = ormar.Text(primary_key=True)
+    company: Company = ormar.ForeignKey(Company)
+    name: str = ormar.Text()
+    role: Optional[Role] = ormar.ForeignKey(Role)
+    roleforcompanies: Optional[Union[Company, List[Company]]] = ormar.ManyToMany(Company, through=UserRoleCompany)
+    lastupdate: date = ormar.DateTime(server_default=sqlalchemy.func.now())
+
+
+@pytest.mark.asyncio
+async def test_create_primary_models():
+    async with database:
+        print("adding role")
+        role_0 = await Role.objects.create(name="user", order=0, description="no administration right")
+        role_1 = await Role.objects.create(name="admin", order=1, description="standard administration right")
+        role_2 = await Role.objects.create(name="super_admin", order=2, description="super administration right")
+        assert await Role.objects.count() == 3
+
+        print("adding company")
+        company_0 = await Company.objects.create(name="Company")
+        company_1 = await Company.objects.create(name="Subsidiary Company 1")
+        company_2 = await Company.objects.create(name="Subsidiary Company 2")
+        company_3 = await Company.objects.create(name="Subsidiary Company 3")
+        assert await Company.objects.count() == 4
+
+        print("adding user")
+        user = await User.objects.create(registrationnumber="00-00000", company=company_0, name="admin", role=role_1)
+        assert await User.objects.count() == 1
+
+        print("removing user")
+        await user.delete()
+        assert await User.objects.count() == 0
+
+        print("adding user with company-role")
+        companies: List[Company] = [company_1, company_2]
+        # user = await User.objects.create(registrationnumber="00-00000", company=company_0, name="admin", role=role_1, roleforcompanies=companies)
+        user = await User.objects.create(registrationnumber="00-00000", company=company_0, name="admin", role=role_1)
+        # print(User.__fields__)
+        await user.roleforcompanies.add(company_1)
+        await user.roleforcompanies.add(company_2)
+
+        users = await User.objects.select_related("roleforcompanies").all()
+        # print(jsonpickle.encode(jsonable_encoder(users), unpicklable=False, keys=True))
+
+    """
+
+    This is the request generated:
+    'SELECT
+    users.registrationnumber as registrationnumber,
+    users.company as company,
+    users.name as name, users.role as role,
+    users.lastupdate as lastupdate,
+    cy24b4_userrolecompanys.id as cy24b4_id,
+    cy24b4_userrolecompanys.company as cy24b4_company,
+    cy24b4_userrolecompanys.user as cy24b4_user,
+    jn50a4_companys.name as jn50a4_name \n
+    FROM users
+    LEFT OUTER JOIN userrolecompanys cy24b4_userrolecompanys ON cy24b4_userrolecompanys.user=users.id
+    LEFT OUTER JOIN companys jn50a4_companys ON jn50a4_companys.name=cy24b4_userrolecompanys.company
+    ORDER BY users.registrationnumber, jn50a4_companys.name'
+
+    There is an error in the First LEFT OUTER JOIN generated:
+    ... companys.user=users.id
+    should be:
+   ... companys.user=users.registrationnumber
+
+    There is also a \n in the midle of the string...
+
+    The execution produce the error: column users.id does not exist
+    """