87 lines
2.7 KiB
TypeScript
87 lines
2.7 KiB
TypeScript
import { ClientScenario, ConformanceCheck } from '../../types.js';
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import { serverChecks } from '../../checks/index.js';
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export class ServerInitializeClientScenario implements ClientScenario {
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name = 'server-initialize';
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description = 'Acts as MCP client to test external server initialization';
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async run(serverUrl: string): Promise<ConformanceCheck[]> {
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const checks: ConformanceCheck[] = [];
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try {
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const response = await fetch(serverUrl, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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Accept: 'application/json, text/event-stream'
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},
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body: JSON.stringify({
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jsonrpc: '2.0',
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id: 1,
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method: 'initialize',
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params: {
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protocolVersion: '2025-06-18',
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capabilities: {},
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clientInfo: {
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name: 'conformance-test-client',
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version: '1.0.0'
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}
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}
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})
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});
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if (!response.ok) {
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const responseBody = await response.text();
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throw new Error(
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`HTTP ${response.status}: ${response.statusText}. Response body: ${responseBody}`
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);
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}
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const responseText = await response.text();
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// Handle SSE format
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let result;
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if (
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responseText.startsWith('event:') ||
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responseText.includes('\ndata:')
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) {
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// Parse SSE format - extract JSON from data: lines
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const lines = responseText.split('\n');
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const dataLines = lines.filter((line) => line.startsWith('data: '));
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if (dataLines.length > 0) {
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const jsonData = dataLines[0].substring(6); // Remove 'data: ' prefix
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result = JSON.parse(jsonData);
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} else {
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throw new Error(`SSE response without data line: ${responseText}`);
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}
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} else {
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// Regular JSON response
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result = JSON.parse(responseText);
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}
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const check = serverChecks.createServerInitializationCheck(result);
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checks.push(check);
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} catch (error) {
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checks.push({
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id: 'server-initialize-request',
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name: 'ServerInitializeRequest',
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description: 'Tests server response to initialize request',
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status: 'FAILURE',
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timestamp: new Date().toISOString(),
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errorMessage: `Failed to send initialize request: ${error instanceof Error ? error.message : String(error)}`,
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details: {
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error: error instanceof Error ? error.message : String(error),
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serverUrl
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},
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specReferences: [
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{
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id: 'MCP-Initialize',
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url: 'https://modelcontextprotocol.io/specification/2025-06-18/basic/lifecycle#initialization'
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}
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]
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});
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}
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return checks;
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}
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}
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