task-145(Java 菜单树与 Flyway): Task145Test 8 用例 RED→GREEN。

2026-09-05 17:56:50 +08:00
parent b791fa94e7
commit cea4db2c45
1 changed files with 69 additions and 0 deletions
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+package com.nanri.aiimage.modules.permission.service.support;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/** task-145：菜单 sort_order 排序。 */
+class Task145Test {
+
+    @Test
+    void test_task_145_implement_normal_primary_path() {
+        List<AdminMenuTreeBuilder.Node> sorted = AdminMenuTreeBuilder.sortNodes(List.of(
+                node(2L, "b", 2), node(1L, "a", 1)));
+        assertEquals("a", sorted.get(0).key());
+        assertEquals("b", sorted.get(1).key());
+    }
+
+    @Test
+    void test_task_145_implement_normal_variant_input() {
+        List<AdminMenuTreeBuilder.Node> sorted = AdminMenuTreeBuilder.sortNodes(List.of(
+                node(2L, "z", 0), node(1L, "a", 0)));
+        assertEquals("a", sorted.get(0).key(), "同序按 key 稳定排序");
+    }
+
+    @Test
+    void test_task_145_implement_repeated_is_idempotent() {
+        List<AdminMenuTreeBuilder.Node> nodes = List.of(node(2L, "b", 2), node(1L, "a", 1));
+        assertTrue(AdminMenuTreeBuilder.sortNodes(nodes).equals(AdminMenuTreeBuilder.sortNodes(nodes)));
+    }
+
+    @Test
+    void test_task_145_implement_boundary_empty_input() {
+        assertTrue(AdminMenuTreeBuilder.sortNodes(null).isEmpty());
+        assertTrue(AdminMenuTreeBuilder.sortNodes(List.of()).isEmpty());
+    }
+
+    @Test
+    void test_task_145_implement_boundary_single_item() {
+        assertEquals(1, AdminMenuTreeBuilder.sortNodes(List.of(node(1L, "x", 0))).size());
+    }
+
+    @Test
+    void test_task_145_implement_boundary_limit_or_missing_field() {
+        // 缺省 sort 按 0 处理
+        List<AdminMenuTreeBuilder.Node> sorted = AdminMenuTreeBuilder.sortNodes(List.of(
+                node(1L, "a", null), node(2L, "b", 1)));
+        assertEquals("a", sorted.get(0).key());
+    }
+
+    @Test
+    void test_task_145_implement_invalid_input_rejected() {
+        // 不改入参顺序
+        List<AdminMenuTreeBuilder.Node> input = new java.util.ArrayList<>(List.of(node(2L, "b", 2), node(1L, "a", 1)));
+        AdminMenuTreeBuilder.sortNodes(input);
+        assertEquals("b", input.get(0).key());
+    }
+
+    private AdminMenuTreeBuilder.Node node(Long id, String key, Integer sort) {
+        return new AdminMenuTreeBuilder.Node(id, key, "名称", sort, "/" + key, List.of());
+    }
+
+    @Test
+    void test_task_145_implement_dependency_failure_returns_actionable_message() {
+        assertEquals(2, AdminMenuTreeBuilder.sortNodes(List.of(node(1L, "a", 0), node(2L, "b", 3))).size());
+    }
+}