✨ feat(query-editor): 支持 SQL 片段配置

frontend/src/utils/sqlSnippetDefaults.test.ts

@@ -0,0 +1,73 @@
+import { describe, it, expect } from 'vitest';
+import { DEFAULT_SQL_SNIPPETS, BUILTIN_SNIPPET_MAP } from './sqlSnippetDefaults';
+import type { SqlSnippet } from '../types';
+
+describe('sqlSnippetDefaults', () => {
+  it('DEFAULT_SQL_SNIPPETS should be a non-empty array', () => {
+    expect(Array.isArray(DEFAULT_SQL_SNIPPETS)).toBe(true);
+    expect(DEFAULT_SQL_SNIPPETS.length).toBeGreaterThan(0);
+  });
+
+  it('every default snippet should have required fields', () => {
+    for (const s of DEFAULT_SQL_SNIPPETS) {
+      expect(s.id).toBeTruthy();
+      expect(s.prefix).toBeTruthy();
+      expect(s.name).toBeTruthy();
+      expect(s.body).toBeTruthy();
+      expect(s.isBuiltin).toBe(true);
+      expect(typeof s.createdAt).toBe('number');
+    }
+  });
+
+  it('every prefix should be lowercase alphanumeric/underscore', () => {
+    for (const s of DEFAULT_SQL_SNIPPETS) {
+      expect(s.prefix).toMatch(/^[a-z0-9_]+$/);
+    }
+  });
+
+  it('prefixes should be unique', () => {
+    const prefixes = DEFAULT_SQL_SNIPPETS.map((s) => s.prefix);
+    expect(new Set(prefixes).size).toBe(prefixes.length);
+  });
+
+  it('ids should be unique', () => {
+    const ids = DEFAULT_SQL_SNIPPETS.map((s) => s.id);
+    expect(new Set(ids).size).toBe(ids.length);
+  });
+
+  it('all default snippets should have snippet syntax in body', () => {
+    for (const s of DEFAULT_SQL_SNIPPETS) {
+      const hasTabStopOrVariable = /\$\d|\$\{|CURRENT_/.test(s.body);
+      expect(hasTabStopOrVariable).toBe(true);
+    }
+  });
+
+  it('time-variable snippets should contain CURRENT_ markers', () => {
+    const seld = DEFAULT_SQL_SNIPPETS.find((s) => s.prefix === 'seld');
+    expect(seld).toBeDefined();
+    expect(seld!.body).toContain('CURRENT_YEAR');
+    expect(seld!.body).toContain('CURRENT_MONTH');
+    expect(seld!.body).toContain('CURRENT_DATE');
+
+    const inst = DEFAULT_SQL_SNIPPETS.find((s) => s.prefix === 'inst');
+    expect(inst).toBeDefined();
+    expect(inst!.body).toContain('CURRENT_HOUR');
+    expect(inst!.body).toContain('CURRENT_MINUTE');
+    expect(inst!.body).toContain('CURRENT_SECOND');
+  });
+
+  it('BUILTIN_SNIPPET_MAP should contain all default snippet ids', () => {
+    for (const s of DEFAULT_SQL_SNIPPETS) {
+      expect(BUILTIN_SNIPPET_MAP[s.id]).toBeDefined();
+      expect(BUILTIN_SNIPPET_MAP[s.id].prefix).toBe(s.prefix);
+      expect(BUILTIN_SNIPPET_MAP[s.id].body).toBe(s.body);
+    }
+  });
+
+  it('BUILTIN_SNIPPET_MAP entries should be independent copies', () => {
+    for (const s of DEFAULT_SQL_SNIPPETS) {
+      const mapped = BUILTIN_SNIPPET_MAP[s.id];
+      expect(mapped).not.toBe(s);
+    }
+  });
+});