Split spawn into multiple files (#255)

- [`test/spawn`] Split `index` into multiple files
- [`test/utils`] Replaced directory of files with a single module that contains two methods: `spawn` and `touchFile`
- [`test/utils/run`] Moved `run` function directly into the `run` file

Author: bjornstar

test/run.js

@@ -1,6 +1,21 @@
 const tap = require('tap');
 
-const run = require('./utils/run');
+const { spawn, touchFile } = require('./utils');
+
+const run = (cmd, exit) => {
+  return spawn(cmd, out => {
+    let touched = false;
+    if (!touched && out.match(/touch message\.js/)) {
+      touchFile('message.js');
+      touched = true;
+      return out2 => {
+        if (out2.match(/Restarting/)) {
+          return { exit };
+        }
+      };
+    }
+  });
+};
 
 tap.test('Restart the server', t => {
   run('server.js', t.end.bind(t));

test/spawn/argv.js

@@ -0,0 +1,13 @@
+const tap = require('tap');
+
+const { spawn } = require('../utils');
+
+tap.test('should not show up in argv', t => {
+  spawn('argv.js foo', out => {
+    const argv = JSON.parse(out.replace(/'/g, '"'));
+    t.match(argv[0], /.*?node(js|\.exe)?$/);
+    t.equal(argv[1], 'argv.js');
+    t.equal(argv[2], 'foo');
+    return { exit: t.end.bind(t) };
+  });
+});

test/spawn/caught.js

@@ -0,0 +1,10 @@
+const tap = require('tap');
+
+const { spawn } = require('../utils');
+
+tap.test('should ignore caught errors', t => {
+  spawn('catch-no-such-module.js', out => {
+    t.match(out, /Caught/);
+    return { exit: t.end.bind(t) };
+  });
+});

test/spawn/clear.js

@@ -1,7 +1,6 @@
 const tap = require('tap');
 
-const spawn = require('../utils/spawn');
-const touchFile = require('../utils/touch-file');
+const { spawn, touchFile } = require('../utils');
 
 const { control } = require('../../lib/clear');
 

test/spawn/cli-require.js

@@ -0,0 +1,17 @@
+const tap = require('tap');
+
+const { spawn, touchFile } = require('../utils');
+
+tap.test('Supports require from the command-line (ts-node/register)', t => {
+  spawn('--require=ts-node/register typescript/index.ts', out => {
+    if (out.match(/touch message.js/)) {
+      touchFile('message.js');
+      return out2 => {
+        if (out2.match(/Restarting/)) {
+          t.match(out2, /\[INFO\] \d{2}:\d{2}:\d{2} Restarting/);
+          return { exit: t.end.bind(t) };
+        }
+      };
+    }
+  });
+});

test/spawn/cluster.js

@@ -0,0 +1,26 @@
+const tap = require('tap');
+
+const { spawn, touchFile } = require('../utils');
+
+tap.test('Restart the cluster', t => {
+  spawn('cluster.js', out => {
+    if (out.match(/touch message\.js/m)) {
+      touchFile('message.js');
+      return out2 => {
+        if (out2.match(/Restarting/m)) {
+          return out3 => {
+            if (out3.match(/All workers disconnected/m)) {
+              let shuttingDown = false;
+              return out4 => {
+                if (out4.match(/touch message\.js/) && !shuttingDown) {
+                  shuttingDown = true;
+                  return { exit: t.end.bind(t) };
+                }
+              };
+            }
+          };
+        }
+      };
+    }
+  });
+});

test/spawn/conceal.js

@@ -0,0 +1,11 @@
+const tap = require('tap');
+
+const { spawn } = require('../utils');
+
+tap.test('should conceal the wrapper', t => {
+  // require.main should be main.js not wrap.js!
+  spawn('main.js').on('exit', code => {
+    t.equal(code, 0);
+    t.end();
+  });
+});

test/spawn/errors.js

@@ -0,0 +1,29 @@
+const tap = require('tap');
+
+const { spawn, touchFile } = require('../utils');
+
+tap.test('should handle errors', t => {
+  spawn('error.js', out => {
+    if (out.match(/ERROR/)) {
+      touchFile('message.js');
+      return out2 => {
+        if (out2.match(/Restarting/)) {
+          return { exit: t.end.bind(t) };
+        }
+      };
+    }
+  });
+});
+
+tap.test('should handle null errors', t => {
+  spawn('error-null.js', out => {
+    if (out.match(/ERROR/)) {
+      touchFile('message.js');
+      return out2 => {
+        if (out2.match(/Restarting/)) {
+          return { exit: t.end.bind(t) };
+        }
+      };
+    }
+  });
+});

test/spawn/esmodule.js

@@ -0,0 +1,34 @@
+const semver = require('semver');
+const tap = require('tap');
+
+const { spawn, touchFile } = require('../utils');
+
+tap.test('Supports ECMAScript modules with experimental-specifier-resolution', t => {
+  if (semver.satisfies(process.version, '<12.17')) return t.skip();
+
+  spawn('--experimental-specifier-resolution=node resolution.mjs', out => {
+    if (out.match(/touch message.js/)) {
+      touchFile('message.js');
+      return out2 => {
+        if (out2.match(/Restarting/)) {
+          t.match(out2, /\[INFO\] \d{2}:\d{2}:\d{2} Restarting/);
+          return { exit: t.end.bind(t) };
+        }
+      };
+    }
+  });
+});
+
+tap.test('Supports ECMAScript modules', t => {
+  spawn('ecma-script-modules.mjs', out => {
+    if (out.match(/touch message.mjs/)) {
+      touchFile('message.mjs');
+      return out2 => {
+        if (out2.match(/Restarting/)) {
+          t.match(out2, /\[INFO\] \d{2}:\d{2}:\d{2} Restarting/);
+          return { exit: t.end.bind(t) };
+        }
+      };
+    }
+  });
+});

test/spawn/exit-code.js

@@ -0,0 +1,10 @@
+const tap = require('tap');
+
+const { spawn } = require('../utils');
+
+tap.test('should pass through the exit code', t => {
+  spawn('exit.js').on('exit', code => {
+    t.equal(code, 101);
+    t.end();
+  });
+});