feat: Add test function (#5)

feat: Add test function

.github/workflows/maven-ci.yml

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+name: Build and Test Menu Permission
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+          distribution: 'temurin'
+          cache: maven
+      - name: Build with Maven
+        run: mvn -B package --file pom.xml
+
+      #Run Tests
+      - name: Run Tests
+        run: mvn -B test

examples/casbin/model.conf

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+[request_definition]
+r = sub, obj, act
+
+[policy_definition]
+p = sub, obj, act, eft
+
+[role_definition]
+g = _, _
+g2 = _, _
+
+[policy_effect]
+e = some(where (p.eft == allow)) && !some(where (p.eft == deny))
+
+[matchers]
+m = g(r.sub, p.sub) && r.act == p.act && (g2(r.obj, p.obj) || r.obj == p.obj)

examples/casbin/policy.csv

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+p, ROLE_ROOT, OtherMenu, read, allow
+p, ROLE_ROOT, AdminMenu, read, allow
+p, ROLE_ROOT, UserMenu, read, deny
+p, ROLE_ADMIN, UserMenu, read, allow
+p, ROLE_ADMIN, AdminMenu, read, allow
+p, ROLE_ADMIN, AdminSubMenu_deny, read, deny
+p, ROLE_USER, UserSubMenu_allow, read, allow
+
+g, user, ROLE_USER
+g, admin, ROLE_ADMIN
+g, root, ROLE_ROOT
+g, ROLE_ADMIN, ROLE_USER
+
+g2, UserSubMenu_allow, UserMenu
+g2, UserSubMenu_deny, UserMenu
+g2, UserSubSubMenu, UserSubMenu_allow
+g2, AdminSubMenu_allow, AdminMenu
+g2, AdminSubMenu_deny, AdminMenu
+g2, (NULL), OtherMenu

src/test/java/org/casbin/MenuControllerTests.java

@@ -0,0 +1,117 @@
+// Copyright 2024 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 org.casbin;
+
+import javax.annotation.Resource;
+import lombok.extern.slf4j.Slf4j;
+import org.casbin.entity.MenuEntity;
+import org.casbin.service.MenuService;
+import org.casbin.util.MenuUtil;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.mock.web.MockHttpSession;
+import org.springframework.test.web.servlet.MockMvc;
+
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+
+@SpringBootTest(classes = {Application.class}, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+@AutoConfigureMockMvc
+@Slf4j
+public class MenuControllerTests {
+    @Resource
+    private MockMvc mockMvc;
+    @Resource
+    private MenuService menuService;
+
+    private Map<String, MenuEntity> menuMap;
+
+    @Value("${test.menu.filePath}")
+    private String filePath;
+
+    @BeforeEach
+    public void setUp() throws IOException {
+        menuMap = MenuUtil.parseCsvFile(filePath);
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = {"root", "admin", "user"})
+    public void testAccessForDifferentUsers(String username) throws Exception {
+        testMenuAccess(username);
+    }
+
+    public void testMenuAccess(String username) throws Exception {
+        MockHttpSession session = createSessionForUser(username);
+        List<MenuEntity> accessibleMenus = menuService.findAccessibleMenus(username);
+        for (MenuEntity menu : menuMap.values()) {
+            if(menu.getParents() == null){
+                testMenuAndSubMenus(menu, session, accessibleMenus);
+            }
+        }
+    }
+
+    private void testMenuAndSubMenus(MenuEntity menu, MockHttpSession session, List<MenuEntity> accessibleMenus) throws Exception {
+        boolean isAccessible = isMenuAccessibleForUser(menu, accessibleMenus);
+        String url = menu.getUrl();
+        if (!url.startsWith("/")) {
+            url = "/" + url;
+        }
+        mockMvc.perform(MockMvcRequestBuilders.get(url).session(session))
+                .andExpect(isAccessible ? MockMvcResultMatchers.status().isOk() : MockMvcResultMatchers.status().isFound())
+                .andDo(mvcResult -> {
+                    String username = (String) session.getAttribute("username");
+                    log.info("Username: {}", username);
+                    log.info("Menu Name: {}", menu.getName());
+                    log.info("Is Accessible: {}", isAccessible);
+                    log.info("Status: {}", mvcResult.getResponse().getStatus());
+                });
+
+        for (MenuEntity subMenu : menu.getSubMenus()) {
+            testMenuAndSubMenus(subMenu, session, accessibleMenus);
+        }
+    }
+
+    private boolean isMenuAccessibleForUser(MenuEntity menuTarget, List<MenuEntity> accessibleMenus) {
+        for (MenuEntity menu : accessibleMenus) {
+            if (menuMatches(menu, menuTarget)) { return true; }
+        }
+        return false;
+    }
+
+    private boolean menuMatches(MenuEntity menu, MenuEntity menuTarget) {
+        if (menu.equals(menuTarget)) {
+            return true;
+        }
+        for (MenuEntity subMenu : menu.getSubMenus()) {
+            if (menuMatches(subMenu, menuTarget)) { return true; }
+        }
+        return false;
+    }
+
+    private MockHttpSession createSessionForUser(String username) {
+        MockHttpSession session = new MockHttpSession();
+        session.setAttribute("username", username);
+        return session;
+    }
+
+}

src/test/resources/application.yml

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+test:
+  menu:
+    filePath: examples/casbin/policy.csv