feat: fetch mock data for repos in repos.json and set up them for tes…

…ting

bin/can-merge

@@ -8,6 +8,7 @@ require('dotenv').config();
 const getRepo = require('../utils/getRepo');
 const getSHA = require('../utils/getSHA');
 
+const buildQuery = require('../utils/buildQuery');
 const runQuery = require('../utils/runQuery');
 const evaluatePullRequest = require('../utils/evaluatePullRequest');
 
@@ -43,7 +44,7 @@ const evaluatePullRequest = require('../utils/evaluatePullRequest');
 
 		const token = process.env.GITHUB_TOKEN || args.token;
 
-		const response = await runQuery(args.repo, args.pr, token);
+		const response = await runQuery(buildQuery(args.repo, args.pr), token);
 
 		if (process.env.NODE_ENV === 'DEBUG') {
 			console.log(JSON.stringify(response, null, 2));

package.json

@@ -8,9 +8,10 @@
 	},
 	"scripts": {
 		"lint": "eslint --ext=js,mjs .",
+		"fetch-mocks": "node ./test/fetchMockdata.js",
 		"pretest": "npm run lint",
-		"tests-only": "nyc tape 'test/**/*.js'| tap-spec",
-		"test": "npm run tests-only",
+		"tests-only": "nyc tape 'test/**/*.test.js'| tap-spec",
+		"test": "NODE_ENV=TEST npm run tests-only",
 		"posttest": "aud --production"
 	},
 	"repository": {

test/fetchMockData.js

@@ -0,0 +1,66 @@
+'use strict';
+
+const path = require('path');
+const { writeFile } = require('fs/promises');
+
+const buildQuery = require('../utils/buildQuery');
+const evaluatePullRequest = require('../utils/evaluatePullRequest');
+const runQuery = require('../utils/runQuery');
+
+const { repositories } = require('./repos.json');
+
+const buildTestQuery = (repo, lastN = 1) => {
+	const [owner, name] = repo.split('/');
+	return `
+	{
+        repository(owner: "${owner}", name: "${name}") {
+          pullRequests(last: ${lastN}) {
+						edges {
+							node {
+								state
+								url
+								title
+								number
+							}
+						}
+					}
+        }
+        rateLimit {
+          cost
+          remaining
+        }
+      }
+	`;
+};
+
+(async () => {
+	const mocks = [];
+
+	const repoResponses = repositories.map(async (repo) => {
+		const token = process.env.GITHUB_TOKEN;
+		const response = await runQuery(buildTestQuery(repo), token);
+
+		if (process.env.NODE_ENV === 'DEBUG') {
+			console.log(JSON.stringify(response, null, 2));
+		}
+
+		const pullRequests = response.repository.pullRequests.edges.map(({ node }) => node.number);
+
+		const prResponses = pullRequests.map(async (pr) => {
+			const res = await runQuery(buildQuery(repo, pr), token);
+			console.log(`Fetching status of last pull request for ${repo}...`);
+			const expected = evaluatePullRequest(res);
+			const { repository: { pullRequest: { commits: { nodes: [{ commit: { statusCheckRollup } }] } } } } = res;
+			mocks.push({
+				description: `evaluation of a PR with ${statusCheckRollup.state} should return ${expected}`,
+				expected,
+				res,
+			});
+		});
+
+		await Promise.all(prResponses);
+	});
+
+	await Promise.all(repoResponses);
+	await writeFile(path.join(__dirname, 'mocks.json'), JSON.stringify(mocks, null, 2), 'utf8');
+})();