feat: 新增 memory checker，支持系统级内存和交换空间检测

tests/server/checker/runner/memory/validate.test.ts

@@ -0,0 +1,87 @@
+import { describe, expect, test } from "bun:test";
+
+import type { RawTargetConfig } from "../../../../../src/server/checker/types";
+
+import { validateMemoryConfig } from "../../../../../src/server/checker/runner/memory/validate";
+
+function validate(target: RawTargetConfig) {
+  return validateMemoryConfig({ targets: [target] });
+}
+
+describe("validateMemoryConfig", () => {
+  test("有效配置无错误", () => {
+    expect(validate({ id: "mem-test", memory: {}, type: "memory" })).toEqual([]);
+  });
+
+  test("缺少 memory 配置分组", () => {
+    const issues = validate({ id: "mem-test", type: "memory" });
+    expect(issues.some((i) => i.path.endsWith("memory") && i.code === "required")).toBe(true);
+  });
+
+  test("memory 未知字段报错", () => {
+    const issues = validate({ id: "mem-test", memory: { extra: true }, type: "memory" });
+    expect(issues.some((i) => i.path.endsWith("extra") && i.code === "unknown-field")).toBe(true);
+  });
+
+  test("expect 未知字段报错", () => {
+    const issues = validate({ expect: { logicalCoreCount: { gte: 4 } }, id: "mem-test", memory: {}, type: "memory" });
+    expect(issues.some((i) => i.path.endsWith("logicalCoreCount") && i.code === "unknown-field")).toBe(true);
+  });
+
+  test("expect 合法 ValueMatcher 通过", () => {
+    const issues = validate({
+      expect: { usagePercent: { lte: 85 }, usedBytes: { lte: 8589934592 } },
+      id: "mem-test",
+      memory: {},
+      type: "memory",
+    });
+    expect(issues.filter((i) => i.path.includes("expect"))).toEqual([]);
+  });
+
+  test("expect 非法 ValueMatcher 报错", () => {
+    const issues = validate({ expect: { usagePercent: [1, 2] }, id: "mem-test", memory: {}, type: "memory" });
+    expect(issues.some((i) => i.path.includes("usagePercent"))).toBe(true);
+  });
+
+  test("expect 合法字节大小字符串通过", () => {
+    const issues = validate({ expect: { usedBytes: "512MB" }, id: "mem-test", memory: {}, type: "memory" });
+    expect(issues.filter((i) => i.path.includes("usedBytes"))).toEqual([]);
+  });
+
+  test("expect 非法字节大小字符串报错", () => {
+    const issues = validate({ expect: { usedBytes: "abc" }, id: "mem-test", memory: {}, type: "memory" });
+    expect(issues.some((i) => i.path.includes("usedBytes") && i.message.includes("字节大小"))).toBe(true);
+  });
+
+  test("expect 所有合法字段通过", () => {
+    const issues = validate({
+      expect: {
+        activeBytes: { lte: 8589934592 },
+        activePercent: { lte: 80 },
+        availableBytes: { gte: 4294967296 },
+        availablePercent: { gte: 20 },
+        buffcacheBytes: { lte: 2147483648 },
+        durationMs: { lte: 5000 },
+        freeBytes: { gte: 2147483648 },
+        freePercent: { gte: 15 },
+        swapFreeBytes: { gte: 0 },
+        swapTotalBytes: { lte: 4294967296 },
+        swapUsagePercent: { lte: 50 },
+        swapUsedBytes: { lte: 2147483648 },
+        totalBytes: { equals: 17179869184 },
+        usagePercent: { lte: 85 },
+        usedBytes: { lte: 8589934592 },
+        usedPercent: { lte: 90 },
+      },
+      id: "mem-test",
+      memory: {},
+      type: "memory",
+    });
+    expect(issues).toEqual([]);
+  });
+
+  test("非 memory type 的 target 不校验", () => {
+    const issues = validate({ id: "other-test", type: "http" });
+    expect(issues).toEqual([]);
+  });
+});