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test: harden mcp health http probe fixture

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Affaan Mustafa 2026-04-29 22:57:18 -04:00 committed by Affaan Mustafa
parent 1188aeafc4
commit 9627c201c7
1 changed files with 36 additions and 8 deletions
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44
tests/hooks/mcp-health-check.test.js
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@ -54,6 +54,18 @@ function readState(statePath) {
return JSON.parse(fs.readFileSync(statePath, 'utf8')); return JSON.parse(fs.readFileSync(statePath, 'utf8'));
} }
function readOptionalFile(filePath) {
return fs.existsSync(filePath) ? fs.readFileSync(filePath, 'utf8') : '<missing>';
}
function hookFailureDetails(result, statePath) {
return [
`exit=${result.code}`,
`stderr=${result.stderr.trim() || '<empty>'}`,
`state=${readOptionalFile(statePath)}`
].join('; ');
}
function createCommandConfig(scriptPath) { function createCommandConfig(scriptPath) {
return { return {
command: process.execPath, command: process.execPath,
@ -132,7 +144,15 @@ function waitForHttpReady(urlString, timeoutMs = 5000) {
const attempt = () => { const attempt = () => {
const req = client.request(urlString, { method: 'GET' }, res => { const req = client.request(urlString, { method: 'GET' }, res => {
res.resume(); res.resume();
resolve(); res.once('end', resolve);
res.once('error', error => {
if (Date.now() >= deadline) {
reject(new Error(`Timed out waiting for ${urlString}: ${error.message}`));
return;
}
setTimeout(attempt, 25);
});
}); });
req.setTimeout(250, () => { req.setTimeout(250, () => {
@ -835,26 +855,30 @@ async function runTests() {
writeConfig(configPath, { writeConfig(configPath, {
mcpServers: { mcpServers: {
github: { http400: {
type: 'http', type: 'http',
url: `http://127.0.0.1:${port}/mcp` url: `http://127.0.0.1:${port}/mcp`
} }
} }
}); });
const input = { tool_name: 'mcp__github__search_repositories', tool_input: {} }; const input = { tool_name: 'mcp__http400__search_repositories', tool_input: {} };
const result = runHook(input, { const result = runHook(input, {
CLAUDE_HOOK_EVENT_NAME: 'PreToolUse', CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
ECC_MCP_CONFIG_PATH: configPath, ECC_MCP_CONFIG_PATH: configPath,
ECC_MCP_HEALTH_STATE_PATH: statePath, ECC_MCP_HEALTH_STATE_PATH: statePath,
ECC_MCP_HEALTH_TIMEOUT_MS: '500' ECC_MCP_HEALTH_TIMEOUT_MS: '2000'
}); });
assert.strictEqual(result.code, 0, `Expected HTTP 400 probe to be treated as healthy, got ${result.code}`); assert.strictEqual(
result.code,
0,
`Expected HTTP 400 probe to be treated as healthy: ${hookFailureDetails(result, statePath)}`
);
assert.strictEqual(result.stdout.trim(), JSON.stringify(input), 'Expected original JSON on stdout'); assert.strictEqual(result.stdout.trim(), JSON.stringify(input), 'Expected original JSON on stdout');
const state = readState(statePath); const state = readState(statePath);
assert.strictEqual(state.servers.github.status, 'healthy', 'Expected HTTP MCP server to be marked healthy'); assert.strictEqual(state.servers.http400.status, 'healthy', 'Expected HTTP MCP server to be marked healthy');
} finally { } finally {
serverProcess.kill('SIGTERM'); serverProcess.kill('SIGTERM');
cleanupTempDir(tempDir); cleanupTempDir(tempDir);
@ -910,10 +934,14 @@ async function runTests() {
CLAUDE_HOOK_EVENT_NAME: 'PreToolUse', CLAUDE_HOOK_EVENT_NAME: 'PreToolUse',
ECC_MCP_CONFIG_PATH: configPath, ECC_MCP_CONFIG_PATH: configPath,
ECC_MCP_HEALTH_STATE_PATH: statePath, ECC_MCP_HEALTH_STATE_PATH: statePath,
ECC_MCP_HEALTH_TIMEOUT_MS: '500' ECC_MCP_HEALTH_TIMEOUT_MS: '2000'
}); });
assert.strictEqual(result.code, 0, `Expected HTTP 401 probe to be treated as healthy, got ${result.code}`); assert.strictEqual(
result.code,
0,
`Expected HTTP 401 probe to be treated as healthy: ${hookFailureDetails(result, statePath)}`
);
assert.strictEqual(result.stdout.trim(), JSON.stringify(input), 'Expected original JSON on stdout'); assert.strictEqual(result.stdout.trim(), JSON.stringify(input), 'Expected original JSON on stdout');
const state = readState(statePath); const state = readState(statePath);