chore(deno): change to start mocha fixtures before mocha

also start mocha in a different process

Author: hasezoey

test/.eslintrc.yml

@@ -4,4 +4,5 @@ rules:
   # In `document.test.js` we sometimes use self assignment to test setters
   no-self-assign: off
 ignorePatterns:
-  - deno.js
+  - deno.js
+  - deno*.js

test/deno.js

@@ -2,46 +2,39 @@
 
 import { createRequire } from "node:module";
 import process from "node:process";
+import { resolve } from "node:path";
+import {fileURLToPath} from "node:url";
 
-import { parse } from "https://deno.land/std/flags/mod.ts"
-const args = parse(Deno.args);
+import { spawn } from "node:child_process";
 
 Error.stackTraceLimit = 100;
 
 const require = createRequire(import.meta.url);
 
-const Mocha = require('mocha');
-const fs = require('fs');
-const path = require('path');
+const fixtures = require('./mocha-fixtures.js')
 
-// const fixtures = require('./mocha-fixtures.js');
+await fixtures.mochaGlobalSetup();
 
-const mocha = new Mocha({
-  timeout: 8000,
-  ...(args.g ? { fgrep: '' + args.g } : {})
-});
-
-// the following is required because mocha somehow does not load "require" options and so needs to be manually set-up
-// mocha.globalSetup(fixtures.mochaGlobalSetup);
-// mocha.globalTeardown(fixtures.mochaGlobalTeardown);
+const child_args = [
+  // args is required to be set manually, because there is currently no way to get all arguments from deno
+  '--allow-env', '--allow-read', '--allow-net', '--allow-run', '--allow-sys', '--allow-write',
+  ...Deno.args,
+  resolve(fileURLToPath(import.meta.url), '../deno_mocha.js')
+];
 
-const testDir = 'test';
+const child = spawn(process.execPath, child_args, { stdio: 'inherit' });
 
-const files = fs.readdirSync(testDir).
-  concat(fs.readdirSync(path.join(testDir, 'docs')).map(file => path.join('docs', file))).
-  concat(fs.readdirSync(path.join(testDir, 'helpers')).map(file => path.join('helpers', file)));
-
-const ignoreFiles = new Set(['browser.test.js']);
+child.on('exit', (code, signal) => {
+  signal ? doExit(-100) : doExit(code);
+});
 
-for (const file of files) {
-  if (!file.endsWith('.test.js') || ignoreFiles.has(file)) {
-    continue;
-  }
+Deno.addSignalListener("SIGINT", () => {
+  console.log("SIGINT");
+  child.kill("SIGINT");
+  doExit(-2);
+});
 
-  mocha.addFile(path.join(testDir, file));
+async function doExit(code) {
+  await fixtures.mochaGlobalTeardown();
+  Deno.exit(code);
 }
-
-mocha.run(function(failures) {
-  process.exitCode = failures ? 1 : 0;  // exit with non-zero status if there were failures
-  process.exit(process.exitCode);
-});

test/deno_mocha.js

@@ -0,0 +1,54 @@
+'use strict';
+
+import { createRequire } from "node:module";
+import process from "node:process";
+
+// Workaround for Mocha getting terminal width, which currently requires `--unstable`
+Object.defineProperty(process.stdout, 'getWindowSize', {
+  value: function() {
+    return [75, 40];
+  }
+});
+
+import { parse } from "https://deno.land/std/flags/mod.ts"
+const args = parse(Deno.args);
+
+Error.stackTraceLimit = 100;
+
+const require = createRequire(import.meta.url);
+
+const Mocha = require('mocha');
+const fs = require('fs');
+const path = require('path');
+
+// const fixtures = require('./mocha-fixtures.js')
+
+const mocha = new Mocha({
+  timeout: 8000,
+  ...(args.g ? { fgrep: '' + args.g } : {})
+});
+
+// the following is required because mocha somehow does not load "require" options and so needs to be manually set-up
+// mocha.globalSetup(fixtures.mochaGlobalSetup);
+// mocha.globalTeardown(fixtures.mochaGlobalTeardown);
+
+const testDir = 'test';
+
+const files = fs.readdirSync(testDir).
+  concat(fs.readdirSync(path.join(testDir, 'docs')).map(file => path.join('docs', file))).
+  concat(fs.readdirSync(path.join(testDir, 'helpers')).map(file => path.join('helpers', file)));
+
+const ignoreFiles = new Set(['browser.test.js']);
+
+for (const file of files) {
+  if (!file.endsWith('.test.js') || ignoreFiles.has(file)) {
+    continue;
+  }
+
+  mocha.addFile(path.join(testDir, file));
+}
+
+mocha.run(function(failures) {
+  process.exitCode = failures ? 1 : 0;  // exit with non-zero status if there were failures
+  process.exit(process.exitCode);
+});

test/mocha-fixtures.js

@@ -2,6 +2,12 @@
 
 const mms = require('mongodb-memory-server');
 
+/*
+
+Note: dont use any mocha-specific things in this file, it may or may not be called without mocha (see deno.js)
+
+*/
+
 /*
  * Default MMS mongodb version is used, unless MONGOMS_VERSION is set (which is set with the matrix in test.yml for CI)
  */