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Diffstat (limited to 'node_modules/flagged-respawn/test/index.js')
-rw-r--r-- | node_modules/flagged-respawn/test/index.js | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/node_modules/flagged-respawn/test/index.js b/node_modules/flagged-respawn/test/index.js new file mode 100644 index 000000000..d83fce3aa --- /dev/null +++ b/node_modules/flagged-respawn/test/index.js @@ -0,0 +1,99 @@ +const expect = require('chai').expect; +const exec = require('child_process').exec; + +const reorder = require('../lib/reorder'); +const flaggedRespawn = require('../'); + +describe('flaggedRespawn', function () { + var flags = ['--harmony', '--use_strict', '--stack_size'] + + describe('reorder', function () { + + it('should re-order args, placing special flags first', function () { + var needsRespawn = ['node', 'file.js', '--flag', '--harmony', 'command']; + var noRespawnNeeded = ['node', 'bin/flagged-respawn', 'thing']; + expect(reorder(flags, needsRespawn)) + .to.deep.equal(['node', '--harmony', 'file.js', '--flag', 'command']); + expect(reorder(flags, noRespawnNeeded)) + .to.deep.equal(noRespawnNeeded); + }); + + it('should keep flags values when not placed first', function () { + var args = ['node', 'file.js', '--stack_size=2048']; + var expected = ['node', '--stack_size=2048', 'file.js']; + expect(reorder(flags, args)).to.deep.equal(expected); + }); + + it('should ignore special flags when they are in the correct position', function () { + var args = ['node', '--harmony', 'file.js', '--flag']; + expect(reorder(flags, reorder(flags, args))).to.deep.equal(args); + }); + + }); + + describe('execute', function () { + + it('should throw if no flags are specified', function () { + expect(function () { flaggedRespawn.execute(); }).to.throw; + }); + + it('should throw if no argv is specified', function () { + expect(function () { flaggedRespawn.execute(flags); }).to.throw; + }); + + it('should respawn and pipe stderr/stdout to parent', function (done) { + exec('node ./test/bin/respawner.js --harmony', function (err, stdout, stderr) { + expect(stdout.replace(/[0-9]/g, '')).to.equal('Special flags found, respawning.\nRespawned to PID: \nRunning!\n'); + done(); + }); + }); + + it('should respawn and pass exit code from child to parent', function (done) { + exec('node ./test/bin/exit_code.js --harmony', function (err, stdout, stderr) { + expect(err.code).to.equal(100); + done(); + }); + }); + + it.skip('should respawn; if child is killed, parent should exit with same signal', function (done) { + // TODO: figure out why travis hates this + exec('node ./test/bin/signal.js --harmony', function (err, stdout, stderr) { + console.log('err', err); + console.log('stdout', stdout); + console.log('stderr', stderr); + expect(err.signal).to.equal('SIGHUP'); + done(); + }); + }); + + it('should call back with ready as true when respawn is not needed', function () { + var argv = ['node', './test/bin/respawner']; + flaggedRespawn(flags, argv, function (ready) { + expect(ready).to.be.true; + }); + }); + + it('should call back with ready as false when respawn is needed', function () { + var argv = ['node', './test/bin/respawner', '--harmony']; + flaggedRespawn(flags, argv, function (ready) { + expect(ready).to.be.false; + }); + }); + + it('should call back with the child process when ready', function () { + var argv = ['node', './test/bin/respawner', '--harmony']; + flaggedRespawn(flags, argv, function (ready, child) { + expect(child.pid).to.not.equal(process.pid); + }); + }); + + it('should call back with own process when respawn not needed', function () { + var argv = ['node', './test/bin/respawner']; + flaggedRespawn(flags, argv, function (ready, child) { + expect(child.pid).to.equal(process.pid); + }); + }); + + }); + +}); |