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// Copyright 2019 The casbin Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package model
import (
"io/ioutil"
"path/filepath"
"strings"
"testing"
"github.com/casbin/casbin/v2/config"
"github.com/casbin/casbin/v2/constant"
)
var (
basicExample = filepath.Join("..", "examples", "basic_model.conf")
basicConfig = &MockConfig{
data: map[string]string{
"request_definition::r": "sub, obj, act",
"policy_definition::p": "sub, obj, act",
"policy_effect::e": "some(where (p.eft == allow))",
"matchers::m": "r.sub == p.sub && r.obj == p.obj && r.act == p.act",
},
}
)
type MockConfig struct {
data map[string]string
config.ConfigInterface
}
func (mc *MockConfig) String(key string) string {
return mc.data[key]
}
func TestNewModel(t *testing.T) {
m := NewModel()
if m == nil {
t.Error("new model should not be nil")
}
}
func TestNewModelFromFile(t *testing.T) {
m, err := NewModelFromFile(basicExample)
if err != nil {
t.Errorf("model failed to load from file: %s", err)
}
if m == nil {
t.Error("model should not be nil")
}
}
func TestNewModelFromString(t *testing.T) {
modelBytes, _ := ioutil.ReadFile(basicExample)
modelString := string(modelBytes)
m, err := NewModelFromString(modelString)
if err != nil {
t.Errorf("model failed to load from string: %s", err)
}
if m == nil {
t.Error("model should not be nil")
}
}
func TestLoadModelFromConfig(t *testing.T) {
m := NewModel()
err := m.loadModelFromConfig(basicConfig)
if err != nil {
t.Error("basic config should not return an error")
}
m = NewModel()
err = m.loadModelFromConfig(&MockConfig{})
if err == nil {
t.Error("empty config should return error")
} else {
// check for missing sections in message
for _, rs := range requiredSections {
if !strings.Contains(err.Error(), sectionNameMap[rs]) {
t.Errorf("section name: %s should be in message", sectionNameMap[rs])
}
}
}
}
func TestHasSection(t *testing.T) {
m := NewModel()
_ = m.loadModelFromConfig(basicConfig)
for _, sec := range requiredSections {
if !m.hasSection(sec) {
t.Errorf("%s section was expected in model", sec)
}
}
m = NewModel()
_ = m.loadModelFromConfig(&MockConfig{})
for _, sec := range requiredSections {
if m.hasSection(sec) {
t.Errorf("%s section was not expected in model", sec)
}
}
}
func TestModel_AddDef(t *testing.T) {
m := NewModel()
s := "r"
v := "sub, obj, act"
ok := m.AddDef(s, s, v)
if !ok {
t.Errorf("non empty assertion should be added")
}
ok = m.AddDef(s, s, "")
if ok {
t.Errorf("empty assertion value should not be added")
}
}
func TestModelToTest(t *testing.T) {
testModelToText(t, "r.sub == p.sub && r.obj == p.obj && r_func(r.act, p.act) && testr_func(r.act, p.act)", "r_sub == p_sub && r_obj == p_obj && r_func(r_act, p_act) && testr_func(r_act, p_act)")
testModelToText(t, "r.sub == p.sub && r.obj == p.obj && p_func(r.act, p.act) && testp_func(r.act, p.act)", "r_sub == p_sub && r_obj == p_obj && p_func(r_act, p_act) && testp_func(r_act, p_act)")
}
func testModelToText(t *testing.T, mData, mExpected string) {
m := NewModel()
data := map[string]string{
"r": "sub, obj, act",
"p": "sub, obj, act",
"e": "some(where (p.eft == allow))",
"m": mData,
}
expected := map[string]string{
"r": "sub, obj, act",
"p": "sub, obj, act",
"e": constant.AllowOverrideEffect,
"m": mExpected,
}
addData := func(ptype string) {
m.AddDef(ptype, ptype, data[ptype])
}
for ptype := range data {
addData(ptype)
}
newM := NewModel()
print(m.ToText())
_ = newM.LoadModelFromText(m.ToText())
for ptype := range data {
if newM[ptype][ptype].Value != expected[ptype] {
t.Errorf("\"%s\" assertion value changed, current value: %s, it should be: %s", ptype, newM[ptype][ptype].Value, expected[ptype])
}
}
}
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