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package pgadapter
import (
"os"
"testing"
"github.com/casbin/casbin/v2"
"github.com/casbin/casbin/v2/util"
"github.com/go-pg/pg/v9"
"github.com/stretchr/testify/suite"
)
// AdapterTestSuite tests all functionalities of Adapter
type AdapterTestSuite struct {
suite.Suite
e *casbin.Enforcer
a *Adapter
}
func (s *AdapterTestSuite) assertPolicy(expected, res [][]string) {
s.T().Helper()
s.Assert().True(util.Array2DEquals(expected, res), "Policy Got: %v, supposed to be %v", res, expected)
}
func (s *AdapterTestSuite) dropCasbinDB() {
opts, err := pg.ParseURL(os.Getenv("PG_CONN"))
s.Require().NoError(err)
db := pg.Connect(opts)
defer db.Close()
db.Exec("DROP DATABASE casbin")
}
func (s *AdapterTestSuite) SetupTest() {
s.dropCasbinDB()
var err error
s.a, err = NewAdapter(os.Getenv("PG_CONN"))
s.Require().NoError(err)
// This is a trick to save the current policy to the DB.
// We can't call e.SavePolicy() because the adapter in the enforcer is still the file adapter.
// The current policy means the policy in the Casbin enforcer (aka in memory).
e, err := casbin.NewEnforcer("examples/rbac_model.conf", "examples/rbac_policy.csv")
s.Require().NoError(err)
err = s.a.SavePolicy(e.GetModel())
s.Require().NoError(err)
s.e, err = casbin.NewEnforcer("examples/rbac_model.conf", s.a)
s.Require().NoError(err)
}
func (s *AdapterTestSuite) TearDownTest() {
err := s.a.Close()
s.Require().NoError(err)
}
func (s *AdapterTestSuite) TestSaveLoad() {
s.Assert().False(s.e.IsFiltered())
s.assertPolicy(
[][]string{{"alice", "data1", "read"}, {"bob", "data2", "write"}, {"data2_admin", "data2", "read"}, {"data2_admin", "data2", "write"}},
s.e.GetPolicy(),
)
}
func (s *AdapterTestSuite) TestAutoSave() {
// AutoSave is enabled by default.
// Now we disable it.
s.e.EnableAutoSave(false)
// Because AutoSave is disabled, the policy change only affects the policy in Casbin enforcer,
// it doesn't affect the policy in the storage.
_, err := s.e.AddPolicy("alice", "data1", "write")
s.Require().NoError(err)
// Reload the policy from the storage to see the effect.
err = s.e.LoadPolicy()
s.Require().NoError(err)
// This is still the original policy.
s.assertPolicy(
[][]string{{"alice", "data1", "read"}, {"bob", "data2", "write"}, {"data2_admin", "data2", "read"}, {"data2_admin", "data2", "write"}},
s.e.GetPolicy(),
)
// Now we enable the AutoSave.
s.e.EnableAutoSave(true)
// Because AutoSave is enabled, the policy change not only affects the policy in Casbin enforcer,
// but also affects the policy in the storage.
_, err = s.e.AddPolicy("alice", "data1", "write")
s.Require().NoError(err)
// Reload the policy from the storage to see the effect.
err = s.e.LoadPolicy()
s.Require().NoError(err)
// The policy has a new rule: {"alice", "data1", "write"}.
s.assertPolicy(
[][]string{{"alice", "data1", "read"}, {"bob", "data2", "write"}, {"data2_admin", "data2", "read"}, {"data2_admin", "data2", "write"}, {"alice", "data1", "write"}},
s.e.GetPolicy(),
)
// Aditional AddPolicy have no effect
_, err = s.e.AddPolicy("alice", "data1", "write")
s.Require().NoError(err)
err = s.e.LoadPolicy()
s.Require().NoError(err)
s.assertPolicy(
[][]string{{"alice", "data1", "read"}, {"bob", "data2", "write"}, {"data2_admin", "data2", "read"}, {"data2_admin", "data2", "write"}, {"alice", "data1", "write"}},
s.e.GetPolicy(),
)
s.Require().NoError(err)
}
func (s *AdapterTestSuite) TestConstructorOptions() {
opts, err := pg.ParseURL(os.Getenv("PG_CONN"))
s.Require().NoError(err)
a, err := NewAdapter(opts)
s.Require().NoError(err)
defer a.Close()
s.e, err = casbin.NewEnforcer("examples/rbac_model.conf", a)
s.Require().NoError(err)
s.assertPolicy(
[][]string{{"alice", "data1", "read"}, {"bob", "data2", "write"}, {"data2_admin", "data2", "read"}, {"data2_admin", "data2", "write"}},
s.e.GetPolicy(),
)
}
func (s *AdapterTestSuite) TestRemovePolicy() {
_, err := s.e.RemovePolicy("alice", "data1", "read")
s.Require().NoError(err)
s.assertPolicy(
[][]string{{"bob", "data2", "write"}, {"data2_admin", "data2", "read"}, {"data2_admin", "data2", "write"}},
s.e.GetPolicy(),
)
err = s.e.LoadPolicy()
s.Require().NoError(err)
s.assertPolicy(
[][]string{{"bob", "data2", "write"}, {"data2_admin", "data2", "read"}, {"data2_admin", "data2", "write"}},
s.e.GetPolicy(),
)
}
func (s *AdapterTestSuite) TestRemoveFilteredPolicy() {
_, err := s.e.RemoveFilteredPolicy(0, "", "data2")
s.Require().NoError(err)
s.assertPolicy(
[][]string{{"alice", "data1", "read"}},
s.e.GetPolicy(),
)
err = s.e.LoadPolicy()
s.Require().NoError(err)
s.assertPolicy(
[][]string{{"alice", "data1", "read"}},
s.e.GetPolicy(),
)
}
func (s *AdapterTestSuite) TestLoadFilteredPolicy() {
e, err := casbin.NewEnforcer("examples/rbac_model.conf", s.a)
s.Require().NoError(err)
err = e.LoadFilteredPolicy(&Filter{
P: []string{"", "", "read"},
})
s.Require().NoError(err)
s.Assert().True(e.IsFiltered())
s.assertPolicy(
[][]string{{"alice", "data1", "read"}, {"data2_admin", "data2", "read"}},
e.GetPolicy(),
)
}
func (s *AdapterTestSuite) TestLoadFilteredGroupingPolicy() {
e, err := casbin.NewEnforcer("examples/rbac_model.conf", s.a)
s.Require().NoError(err)
err = e.LoadFilteredPolicy(&Filter{
G: []string{"bob"},
})
s.Require().NoError(err)
s.Assert().True(e.IsFiltered())
s.assertPolicy([][]string{}, e.GetGroupingPolicy())
e, err = casbin.NewEnforcer("examples/rbac_model.conf", s.a)
s.Require().NoError(err)
err = e.LoadFilteredPolicy(&Filter{
G: []string{"alice"},
})
s.Require().NoError(err)
s.Assert().True(e.IsFiltered())
s.assertPolicy([][]string{{"alice", "data2_admin"}}, e.GetGroupingPolicy())
}
func (s *AdapterTestSuite) TestLoadFilteredPolicyNilFilter() {
e, err := casbin.NewEnforcer("examples/rbac_model.conf", s.a)
s.Require().NoError(err)
err = e.LoadFilteredPolicy(nil)
s.Require().NoError(err)
s.Assert().False(e.IsFiltered())
s.assertPolicy(
[][]string{{"alice", "data1", "read"}, {"bob", "data2", "write"}, {"data2_admin", "data2", "read"}, {"data2_admin", "data2", "write"}},
s.e.GetPolicy(),
)
}
func (s *AdapterTestSuite) TestSavePolicyClearPreviousData() {
s.e.EnableAutoSave(false)
policies := s.e.GetPolicy()
// clone slice to avoid shufling elements
policies = append(policies[:0:0], policies...)
for _, p := range policies {
_, err := s.e.RemovePolicy(p)
s.Require().NoError(err)
}
policies = s.e.GetGroupingPolicy()
policies = append(policies[:0:0], policies...)
for _, p := range policies {
_, err := s.e.RemoveGroupingPolicy(p)
s.Require().NoError(err)
}
s.assertPolicy(
[][]string{},
s.e.GetPolicy(),
)
err := s.e.SavePolicy()
s.Require().NoError(err)
err = s.e.LoadPolicy()
s.Require().NoError(err)
s.assertPolicy(
[][]string{},
s.e.GetPolicy(),
)
}
func TestAdapterTestSuite(t *testing.T) {
suite.Run(t, new(AdapterTestSuite))
}