hashUtils.test.ts•3.2 kB
/**
* Tests for hash utilities
*/
import { describe, it, expect } from "vitest";
import { ToolHashUtils } from "./hashUtils.js";
import { DiscoveredTool } from "./types.js";
describe("ToolHashUtils", () => {
const mockTool: DiscoveredTool = {
name: "test_tool",
serverName: "test-server",
namespacedName: "test-server.test_tool",
tool: {
name: "test_tool",
description: "A test tool",
inputSchema: {
type: "object",
properties: { input: { type: "string" } },
required: ["input"],
},
},
discoveredAt: new Date(),
lastUpdated: new Date(),
serverStatus: "connected",
toolHash: "test-hash",
};
describe("calculateToolHash", () => {
it("should generate consistent hashes for same tool", () => {
const hash1 = ToolHashUtils.calculateToolHash(mockTool);
const hash2 = ToolHashUtils.calculateToolHash(mockTool);
expect(hash1).toBe(hash2);
});
it("should generate different hashes when functional fields change", () => {
const originalHash = ToolHashUtils.calculateToolHash(mockTool);
// Change inputSchema - should change hash
const modifiedTool = {
...mockTool,
tool: {
...mockTool.tool,
inputSchema: {
...mockTool.tool.inputSchema,
properties: {
...mockTool.tool.inputSchema.properties,
newField: { type: "boolean" },
},
},
},
};
const modifiedHash = ToolHashUtils.calculateToolHash(modifiedTool);
expect(modifiedHash).not.toBe(originalHash);
});
it("should generate same hash when non-functional fields change", () => {
const originalHash = ToolHashUtils.calculateToolHash(mockTool);
// Change description - should NOT change hash (description is excluded)
const modifiedTool = {
...mockTool,
tool: {
...mockTool.tool,
description: "Modified description",
},
};
const modifiedHash = ToolHashUtils.calculateToolHash(modifiedTool);
expect(modifiedHash).toBe(originalHash);
});
});
describe("detectToolChanges", () => {
it("should detect added tools", () => {
const originalTools = [mockTool];
const newTool = {
...mockTool,
name: "new_tool",
namespacedName: "test-server.new_tool",
};
const currentTools = [mockTool, newTool];
const changes = ToolHashUtils.detectToolChanges(
originalTools,
currentTools
);
const summary = ToolHashUtils.summarizeChanges(changes);
expect(summary.added).toBe(1);
expect(summary.unchanged).toBe(1);
});
it("should detect removed tools", () => {
const originalTools = [
mockTool,
{ ...mockTool, name: "tool2", namespacedName: "test-server.tool2" },
];
const currentTools = [mockTool];
const changes = ToolHashUtils.detectToolChanges(
originalTools,
currentTools
);
const summary = ToolHashUtils.summarizeChanges(changes);
expect(summary.removed).toBe(1);
expect(summary.unchanged).toBe(1);
});
});
});