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import ddf
import django
import pytest
from django.core.exceptions import FieldDoesNotExist
import pgtrigger
from pgtrigger.tests import models, utils
def test_registered_invalid_args():
with pytest.raises(ValueError):
pgtrigger.registered("uri")
@pytest.mark.django_db
def test_read_only():
"""Tests the ReadOnly trigger"""
with pytest.raises(ValueError, match="only one of"):
pgtrigger.ReadOnly(name="uneditable", fields=["level"], exclude=["hello"])
trigger = pgtrigger.ReadOnly(name="uneditable", fields=["level"])
with pytest.raises(FieldDoesNotExist):
trigger.install(models.TestModel)
trigger = pgtrigger.ReadOnly(name="uneditable", exclude=["level"])
with pytest.raises(FieldDoesNotExist):
trigger.install(models.TestModel)
trigger = pgtrigger.ReadOnly(name="uneditable")
with trigger.install(models.TestModel):
m = ddf.G(models.TestModel, int_field=1)
m.save()
with utils.raises_trigger_error(match="Cannot update rows"):
m.int_field = 2
m.save()
trigger = pgtrigger.ReadOnly(name="uneditable", fields=["char_field", "float_field"])
with trigger.install(models.TestModel):
m = ddf.G(models.TestModel, int_field=2, char_field="a")
m.int_field = 3
m.save()
with utils.raises_trigger_error(match="Cannot update rows"):
m.char_field = "b"
m.save()
trigger = pgtrigger.ReadOnly(name="uneditable", exclude=["int_field"])
with trigger.install(models.TestModel):
m = ddf.G(models.TestModel, int_field=4, char_field="a")
m.int_field = 5
m.save()
with utils.raises_trigger_error(match="Cannot update rows"):
m.char_field = "b"
m.save()
@pytest.mark.django_db
def test_search_model():
"""Verifies search model fields are kept up to date"""
obj = models.SearchModel.objects.create(
title="This is a message", body="Hello World. What a great body."
)
models.SearchModel.objects.create(title="Hi guys", body="Random Word. This is a good idea.")
models.SearchModel.objects.create(
title="Hello", body="Other words. Many great ideas come from stuff."
)
models.SearchModel.objects.create(title="The title", body="A short message.")
assert models.SearchModel.objects.filter(body_vector="hello").count() == 1
assert models.SearchModel.objects.filter(body_vector="words").count() == 2
assert models.SearchModel.objects.filter(body_vector="world").count() == 1
assert models.SearchModel.objects.filter(title_body_vector="message").count() == 2
assert models.SearchModel.objects.filter(title_body_vector="idea").count() == 2
assert models.SearchModel.objects.filter(title_body_vector="hello").count() == 2
obj.body = "Nothing more"
obj.save()
assert not models.SearchModel.objects.filter(body_vector="hello").exists()
assert models.SearchModel.objects.filter(title_body_vector="hello").count() == 1
def test_update_search_vector_args():
"""Verifies arg checking for UpdateSearchVector"""
with pytest.raises(ValueError, match='provide "vector_field"'):
pgtrigger.UpdateSearchVector()
with pytest.raises(ValueError, match='provide "document_fields"'):
pgtrigger.UpdateSearchVector(vector_field="vector_field")
def test_update_search_vector_ignore():
"""Verifies UpdateSearchVector cannot be ignored"""
trigger = pgtrigger.UpdateSearchVector(
name="hi", vector_field="vector_field", document_fields=["hi"]
)
with pytest.raises(RuntimeError, match="Cannot ignore UpdateSearchVector"):
with trigger.ignore(models.SearchModel):
pass
@pytest.mark.django_db
def test_soft_delete():
"""
Verifies the SoftDelete test model has the "is_active" flag set to false
"""
soft_delete = ddf.G(models.SoftDelete, is_active=True)
ddf.G(models.FkToSoftDelete, ref=soft_delete)
soft_delete.delete()
assert not models.SoftDelete.objects.get().is_active
assert not models.FkToSoftDelete.objects.exists()
@pytest.mark.django_db
def test_soft_delete_composite_pk():
"""
Verifies the SoftDelete test model has the "is_active" flag set to false
"""
if django.VERSION >= (5, 2):
models.SoftDeleteCompositePk.objects.create(is_active=True, id_1=1, id_2=1)
soft_delete = models.SoftDeleteCompositePk.objects.create(is_active=True, id_1=2, id_2=2)
soft_delete.delete()
assert models.SoftDeleteCompositePk.objects.get(id_1=1, id_2=1).is_active
assert not models.SoftDeleteCompositePk.objects.get(id_1=2, id_2=2).is_active
@pytest.mark.django_db
def test_customer_soft_delete():
"""
Verifies the CustomSoftDelete test model has the "custom_active" flag set
to false
"""
soft_delete = ddf.G(models.CustomSoftDelete, custom_active=True)
soft_delete.delete()
assert not models.CustomSoftDelete.objects.get().custom_active
@pytest.mark.django_db
def test_soft_delete_different_values():
"""
Tests SoftDelete with different types of fields and values
"""
# Make the LogEntry model a soft delete model where
# "level" is set to "inactive"
trigger = pgtrigger.SoftDelete(name="soft_delete", field="level", value="inactive")
with trigger.install(models.LogEntry):
le = ddf.G(models.LogEntry, level="active")
le.delete()
assert models.LogEntry.objects.get().level == "inactive"
models.LogEntry.objects.all().delete()
# Make the LogEntry model a soft delete model where
# "old_field" is set to None
trigger = pgtrigger.SoftDelete(name="soft_delete", field="old_field", value=None)
with trigger.install(models.LogEntry):
le = ddf.G(models.LogEntry, old_field="something")
le.delete()
assert models.LogEntry.objects.get().old_field is None
@pytest.mark.django_db
def test_fsm():
"""
Verifies the FSM test model cannot make invalid transitions
"""
fsm = ddf.G(models.FSM, transition="unpublished")
fsm.transition = "inactive"
with utils.raises_trigger_error(match="Invalid transition"):
fsm.save()
fsm.transition = "published"
fsm.save()
# Be sure we ignore FSM when there is no transition
fsm.save()
with utils.raises_trigger_error(match="Invalid transition"):
fsm.transition = "unpublished"
fsm.save()
fsm.transition = "inactive"
fsm.save()
def test_fsm_args():
"""Verifies arg checking for FSM"""
with pytest.raises(ValueError, match='provide "field"'):
pgtrigger.FSM()
with pytest.raises(ValueError, match='provide "transitions"'):
pgtrigger.FSM(field="hello")
with pytest.raises(ValueError, match='contains separator ":"'):
pgtrigger.FSM(field="hello", transitions=[("a", ":")])
with pytest.raises(ValueError, match='contains separator ","'):
pgtrigger.FSM(field="hello", separator=",", transitions=[("a", ",")])
with pytest.raises(ValueError, match="contains quotes"):
pgtrigger.FSM(field="hello", transitions=[("a", "b'")])
with pytest.raises(ValueError, match="contains quotes"):
pgtrigger.FSM(field="hello", transitions=[("a", 'b"')])
with pytest.raises(ValueError, match="single character"):
pgtrigger.FSM(field="hello", separator="aa", transitions=[("a", "b")])
with pytest.raises(ValueError, match="must not have quotes"):
pgtrigger.FSM(field="hello", separator="'", transitions=[("a", "b")])
@pytest.mark.django_db
def test_protect():
"""Verify deletion protect trigger works on test model"""
deletion_protected_model = ddf.G(models.TestTrigger)
with utils.raises_trigger_error(match="Cannot delete rows"):
deletion_protected_model.delete()
@pytest.mark.django_db
def test_custom_db_table_protect_trigger():
"""Verify custom DB table names have successful triggers"""
deletion_protected_model = ddf.G(models.CustomTableName)
with utils.raises_trigger_error(match="Cannot delete rows"):
deletion_protected_model.delete()
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