text: var fs = require('graceful-fs')
  var path = require('path')
  
  var mkdirp = require('mkdirp')
  var test = require('tap').test
  var rimraf = require('rimraf')
  
  var common = require('../common-tap')
  
  var pkg = path.resolve(__dirname, 'run-script')
  var cache = path.resolve(pkg, 'cache')
  var tmp = path.resolve(pkg, 'tmp')
  
  var opts = { cwd: pkg }
  
  var fullyPopulated = {
    'name': 'runscript',
    'version': '1.2.3',
    'scripts': {
      'start': 'node -e "console.log(process.argv[1] || \'start\')"',
      'prewith-pre': 'node -e "console.log(process.argv[1] || \'pre\')"',
      'with-pre': 'node -e "console.log(process.argv[1] || \'main\')"',
      'with-post': 'node -e "console.log(process.argv[1] || \'main\')"',
      'postwith-post': 'node -e "console.log(process.argv[1] || \'post\')"',
      'prewith-both': 'node -e "console.log(process.argv[1] || \'pre\')"',
      'with-both': 'node -e "console.log(process.argv[1] || \'main\')"',
      'postwith-both': 'node -e "console.log(process.argv[1] || \'post\')"',
      'stop': 'node -e "console.log(process.argv[1] || \'stop\')"',
      'env-vars': 'node -e "console.log(process.env.run_script_foo_var)"',
      'npm-env-vars': 'node -e "console.log(process.env.npm_run_script_foo_var)"',
      'package-env-vars': 'node -e "console.log(process.env.run_script_foo_var)"',
      'prefixed-package-env-vars': 'node -e "console.log(process.env.npm_package_run_script_foo_var)"'
    },
    'run_script_foo_var': 'run_script_test_foo_val'
  }
  
  var lifecycleOnly = {
    name: 'scripted',
    version: '1.2.3',
    scripts: {
      'prestart': 'echo prestart'
    }
  }
  
  var directOnly = {
    name: 'scripted',
    version: '1.2.3',
    scripts: {
      'whoa': 'echo whoa'
    }
  }
  
  var both = {
    name: 'scripted',
    version: '1.2.3',
    scripts: {
      'prestart': 'echo prestart',
      'whoa': 'echo whoa'
    }
  }
  
  var preversionOnly = {
    name: 'scripted',
    version: '1.2.3',
    scripts: {
      'preversion': 'echo preversion'
    }
  }
  
  var exitCode = {
    name: 'scripted',
    version: '1.2.3',
    scripts: {
      'start': 'node -e "process.exit(7)"'
    }
  }
  
  var shell = {
    name: 'scripted',
    version: '1.2.3',
    scripts: {
      'start': 'echo foo'
    }
  }
  
  function testOutput (t, command, er, code, stdout, stderr) {
    var lines
  
    if (er) throw er
  
    if (stderr) {
      throw new Error('npm ' + command + ' stderr: ' + stderr.toString())
    }
  
    lines = stdout.trim().split('\n')
    stdout = lines.filter(function (line) {
      return line.trim() !== '' && line[0] !== '>'
    }).join(';')
  
    t.equal(stdout, command)
    t.end()
  }
  
  function writeMetadata (object) {
    fs.writeFileSync(
      path.resolve(pkg, 'package.json'),
      JSON.stringify(object, null, 2) + '\n'
    )
  }
  
  function cleanup () {
    rimraf.sync(pkg)
  }
  
  test('setup', function (t) {
    cleanup()
    mkdirp.sync(cache)
    mkdirp.sync(tmp)
    writeMetadata(fullyPopulated)
    t.end()
  })
  
  test('npm run-script start', function (t) {
    common.npm(['run-script', 'start'], opts, testOutput.bind(null, t, 'start'))
  })
  
  test('npm run-script with args', function (t) {
    common.npm(['run-script', 'start', '--', 'stop'], opts, testOutput.bind(null, t, 'stop'))
  })
  
  test('npm run-script with args that contain spaces', function (t) {
    common.npm(['run-script', 'start', '--', 'hello world'], opts, testOutput.bind(null, t, 'hello world'))
  })
  
  test('npm run-script with args that contain single quotes', function (t) {
    common.npm(['run-script', 'start', '--', 'they"re awesome'], opts, testOutput.bind(null, t, 'they"re awesome'))
  })
  
  test('npm run-script with args that contain double quotes', function (t) {
    common.npm(['run-script', 'start', '--', 'what"s "up"?'], opts, testOutput.bind(null, t, 'what"s "up"?'))
  })
  
  test('npm run-script with args that contain ticks', function (t) {
    common.npm(['run-script', 'start', '--', 'what\'s \'up\'?'], opts, testOutput.bind(null, t, 'what\'s \'up\'?'))
  })
  
  test('npm run-script with pre script', function (t) {
    common.npm(['run-script', 'with-post'], opts, testOutput.bind(null, t, 'main;post'))
  })
  
  test('npm run-script with post script', function (t) {
    common.npm(['run-script', 'with-pre'], opts, testOutput.bind(null, t, 'pre;main'))
  })
  
  test('npm run-script with both pre and post script', function (t) {
    common.npm(['run-script', 'with-both'], opts, testOutput.bind(null, t, 'pre;main;post'))
  })
  
  test('npm run-script with both pre and post script and with args', function (t) {
    common.npm(['run-script', 'with-both', '--', 'an arg'], opts, testOutput.bind(null, t, 'pre;an arg;post'))
  })
  
  test('npm run-script explicitly call pre script with arg', function (t) {
    common.npm(['run-script', 'prewith-pre', '--', 'an arg'], opts, testOutput.bind(null, t, 'an arg'))
  })
  
  test('npm run-script test', function (t) {
    common.npm(['run-script', 'test'], opts, function (er, code, stdout, stderr) {
      t.ifError(er, 'npm run-script test ran without issue')
      t.notOk(stderr, 'should not generate errors')
      t.end()
    })
  })
  
  test('npm run-script env', function (t) {
    common.npm(['run-script', 'env'], opts, function (er, code, stdout, stderr) {
      t.ifError(er, 'using default env script')
      t.notOk(stderr, 'should not generate errors')
      t.ok(stdout.indexOf('npm_config_init_version') > 0, 'expected values in var list')
      t.end()
    })
  })
  
  test('npm run-script nonexistent-script', function (t) {
    common.npm(['run-script', 'nonexistent-script'], opts, function (er, code, stdout, stderr) {
      t.ifError(er, 'npm run-script nonexistent-script did not cause npm to explode')
      t.ok(stderr, 'should generate errors')
      t.end()
    })
  })
  
  test('npm run-script restart when there isn\'t restart', function (t) {
    common.npm(['run-script', 'restart'], opts, testOutput.bind(null, t, 'stop;start'))
  })
  
  test('npm run-script nonexistent-script with --if-present flag', function (t) {
    common.npm(['run-script', '--if-present', 'nonexistent-script'], opts, function (er, code, stdout, stderr) {
      t.ifError(er, 'npm run-script --if-present non-existent-script ran without issue')
      t.notOk(stderr, 'should not generate errors')
      t.end()
    })
  })
  
  test('npm run-script env vars accessible', function (t) {
    process.env.run_script_foo_var = 'run_script_test_foo_val'
    common.npm(['run-script', 'env-vars'], {
      cwd: pkg
    }, function (err, code, stdout, stderr) {
      t.ifError(err, 'ran run-script without crashing')
      t.equal(code, 0, 'exited normally')
      t.equal(stderr, '', 'no error output')
      t.match(stdout,
        new RegExp(process.env.run_script_foo_var),
        'script had env access')
      t.end()
    })
  })
  
  test('npm run-script package.json vars injected', function (t) {
    common.npm(['run-script', 'package-env-vars'], {
      cwd: pkg
    }, function (err, code, stdout, stderr) {
      t.ifError(err, 'ran run-script without crashing')
      t.equal(code, 0, 'exited normally')
      t.equal(stderr, '', 'no error output')
      t.match(stdout,
        new RegExp(fullyPopulated.run_script_foo_var),
        'script injected package.json value')
      t.end()
    })
  })
  
  test('npm run-script package.json vars injected with prefix', function (t) {
    common.npm(['run-script', 'prefixed-package-env-vars'], {
      cwd: pkg
    }, function (err, code, stdout, stderr) {
      t.ifError(err, 'ran run-script without crashing')
      t.equal(code, 0, 'exited normally')
      t.equal(stderr, '', 'no error output')
      t.match(stdout,
        new RegExp(fullyPopulated.run_script_foo_var),
        'script injected npm_package-prefixed package.json value')
      t.end()
    })
  })
  
  test('npm run-script env vars stripped npm-prefixed', function (t) {
    process.env.npm_run_script_foo_var = 'run_script_test_foo_val'
    common.npm(['run-script', 'npm-env-vars'], {
      cwd: pkg
    }, function (err, code, stdout, stderr) {
      t.ifError(err, 'ran run-script without crashing')
      t.equal(code, 0, 'exited normally')
      t.equal(stderr, '', 'no error output')
      t.notMatch(stdout,
        new RegExp(process.env.npm_run_script_foo_var),
        'script stripped npm-prefixed env var')
      t.end()
    })
  })
  
  test('npm run-script no-params (lifecycle only)', function (t) {
    var expected = [
      'Lifecycle scripts included in scripted:',
      '  prestart',
      '    echo prestart',
      ''
    ].join('\n')
  
    writeMetadata(lifecycleOnly)
  
    common.npm(['run-script'], opts, function (err, code, stdout, stderr) {
      t.ifError(err, 'ran run-script without parameters without crashing')
      t.notOk(code, 'npm exited without error code')
      t.notOk(stderr, 'npm printed nothing to stderr')
      t.equal(stdout, expected, 'got expected output')
      t.end()
    })
  })
  
  test('npm run-script no-params (preversion only)', function (t) {
    var expected = [
      'Lifecycle scripts included in scripted:',
      '  preversion',
      '    echo preversion',
      ''
    ].join('\n')
  
    writeMetadata(preversionOnly)
  
    common.npm(['run-script'], opts, function (err, code, stdout, stderr) {
      t.ifError(err, 'ran run-script without parameters without crashing')
      t.notOk(code, 'npm exited without error code')
      t.notOk(stderr, 'npm printed nothing to stderr')
      t.equal(stdout, expected, 'got expected output')
      t.end()
    })
  })
  
  test('npm run-script no-params (direct only)', function (t) {
    var expected = [
      'Scripts available in scripted via `npm run-script`:',
      '  whoa',
      '    echo whoa',
      ''
    ].join('\n')
  
    writeMetadata(directOnly)
  
    common.npm(['run-script'], opts, function (err, code, stdout, stderr) {
      t.ifError(err, 'ran run-script without parameters without crashing')
      t.notOk(code, 'npm exited without error code')
      t.notOk(stderr, 'npm printed nothing to stderr')
      t.equal(stdout, expected, 'got expected output')
      t.end()
    })
  })
  
  test('npm run-script script-shell config', function (t) {
    writeMetadata(shell)
  
    common.npm(['run-script', 'start', '--script-shell', 'echo'], opts, testOutput.bind(null, t, '-c echo foo'))
  })
  
  test('npm run-script no-params (direct only)', function (t) {
    var expected = [
      'Lifecycle scripts included in scripted:',
      '  prestart',
      '    echo prestart',
      '',
      'available via `npm run-script`:',
      '  whoa',
      '    echo whoa',
      ''
    ].join('\n')
  
    writeMetadata(both)
  
    common.npm(['run-script'], opts, function (err, code, stdout, stderr) {
      t.ifError(err, 'ran run-script without parameters without crashing')
      t.notOk(code, 'npm exited without error code')
      t.notOk(stderr, 'npm printed nothing to stderr')
      t.equal(stdout, expected, 'got expected output')
      t.end()
    })
  })
  
  test('npm run-script keep non-zero exit code', function (t) {
    writeMetadata(exitCode)
  
    common.npm(['run-script', 'start'], opts, function (err, code, stdout, stderr) {
      t.ifError(err, 'ran run-script without parameters without crashing')
      t.equal(code, 7, 'got expected exit code')
      t.ok(stderr, 'should generate errors')
      t.end()
    })
  })
  
  test('npm run-script nonexistent script and display suggestions', function (t) {
    writeMetadata(directOnly)
  
    common.npm(['run-script', 'whoop'], opts, function (err, code, stdout, stderr) {
      t.ifError(err, 'ran run-script without crashing')
      t.equal(code, 1, 'got expected exit code')
      t.has(stderr, 'Did you mean this?')
      t.end()
    })
  })
  
  test('cleanup', function (t) {
    cleanup()
    t.end()
  })
  