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'use strict'
const test = require('tap').test
const findPython = require('../lib/find-python')
const execFile = require('child_process').execFile
const PythonFinder = findPython.test.PythonFinder
delete process.env.PYTHON
delete process.env.NODE_GYP_FORCE_PYTHON
require('npmlog').level = 'warn'
test('find python', function (t) {
t.plan(4)
findPython.test.findPython(null, function (err, found) {
t.strictEqual(err, null)
var proc = execFile(found, ['-V'], function (err, stdout, stderr) {
t.strictEqual(err, null)
t.strictEqual(stdout, '')
t.ok(/Python 2/.test(stderr))
})
proc.stdout.setEncoding('utf-8')
proc.stderr.setEncoding('utf-8')
})
})
function poison (object, property) {
function fail () {
console.error(Error(`Property ${property} should not have been accessed.`))
process.abort()
}
var descriptor = {
configurable: false,
enumerable: false,
get: fail,
set: fail
}
Object.defineProperty(object, property, descriptor)
}
function TestPythonFinder () {
PythonFinder.apply(this, arguments)
}
TestPythonFinder.prototype = Object.create(PythonFinder.prototype)
// Silence npmlog - remove for debugging
TestPythonFinder.prototype.log = {
silly: () => {},
verbose: () => {},
info: () => {},
warn: () => {},
error: () => {}
}
test('find python - python', function (t) {
t.plan(6)
var f = new TestPythonFinder('python', done)
f.execFile = function (program, args, opts, cb) {
f.execFile = function (program, args, opts, cb) {
poison(f, 'execFile')
t.strictEqual(program, '/path/python')
t.ok(/sys\.version_info/.test(args[1]))
cb(null, '2.7.15')
}
t.strictEqual(program,
process.platform === 'win32' ? '"python"' : 'python')
t.ok(/sys\.executable/.test(args[1]))
cb(null, '/path/python')
}
f.findPython()
function done (err, python) {
t.strictEqual(err, null)
t.strictEqual(python, '/path/python')
}
})
test('find python - python too old', function (t) {
t.plan(2)
var f = new TestPythonFinder(null, done)
f.execFile = function (program, args, opts, cb) {
if (/sys\.executable/.test(args[args.length - 1])) {
cb(null, '/path/python')
} else if (/sys\.version_info/.test(args[args.length - 1])) {
cb(null, '2.3.4')
} else {
t.fail()
}
}
f.findPython()
function done (err) {
t.ok(/Could not find any Python/.test(err))
t.ok(/not supported/i.test(f.errorLog))
}
})
test('find python - no python', function (t) {
t.plan(2)
var f = new TestPythonFinder(null, done)
f.execFile = function (program, args, opts, cb) {
if (/sys\.executable/.test(args[args.length - 1])) {
cb(new Error('not found'))
} else if (/sys\.version_info/.test(args[args.length - 1])) {
cb(new Error('not a Python executable'))
} else {
t.fail()
}
}
f.findPython()
function done (err) {
t.ok(/Could not find any Python/.test(err))
t.ok(/not in PATH/.test(f.errorLog))
}
})
test('find python - no python2, no python, unix', function (t) {
t.plan(2)
var f = new TestPythonFinder(null, done)
f.checkPyLauncher = t.fail
f.win = false
f.execFile = function (program, args, opts, cb) {
if (/sys\.executable/.test(args[args.length - 1])) {
cb(new Error('not found'))
} else {
t.fail()
}
}
f.findPython()
function done (err) {
t.ok(/Could not find any Python/.test(err))
t.ok(/not in PATH/.test(f.errorLog))
}
})
test('find python - no python, use python launcher', function (t) {
t.plan(4)
var f = new TestPythonFinder(null, done)
f.win = true
f.execFile = function (program, args, opts, cb) {
if (program === 'py.exe') {
t.notEqual(args.indexOf('-2'), -1)
t.notEqual(args.indexOf('-c'), -1)
return cb(null, 'Z:\\snake.exe')
}
if (/sys\.executable/.test(args[args.length - 1])) {
cb(new Error('not found'))
} else if (/sys\.version_info/.test(args[args.length - 1])) {
if (program === 'Z:\\snake.exe') {
cb(null, '2.7.14')
} else {
t.fail()
}
} else {
t.fail()
}
}
f.findPython()
function done (err, python) {
t.strictEqual(err, null)
t.strictEqual(python, 'Z:\\snake.exe')
}
})
test('find python - no python, no python launcher, good guess', function (t) {
t.plan(4)
var re = /C:[\\/]Python27[\\/]python[.]exe/
var f = new TestPythonFinder(null, done)
f.win = true
f.execFile = function (program, args, opts, cb) {
if (program === 'py.exe') {
f.execFile = function (program, args, opts, cb) {
poison(f, 'execFile')
t.ok(re.test(program))
t.ok(/sys\.version_info/.test(args[args.length - 1]))
cb(null, '2.7.14')
}
return cb(new Error('not found'))
}
if (/sys\.executable/.test(args[args.length - 1])) {
cb(new Error('not found'))
} else {
t.fail()
}
}
f.findPython()
function done (err, python) {
t.strictEqual(err, null)
t.ok(re.test(python))
}
})
test('find python - no python, no python launcher, bad guess', function (t) {
t.plan(2)
var f = new TestPythonFinder(null, done)
f.win = true
f.execFile = function (program, args, opts, cb) {
if (/sys\.executable/.test(args[args.length - 1])) {
cb(new Error('not found'))
} else if (/sys\.version_info/.test(args[args.length - 1])) {
cb(new Error('not a Python executable'))
} else {
t.fail()
}
}
f.findPython()
function done (err) {
t.ok(/Could not find any Python/.test(err))
t.ok(/not in PATH/.test(f.errorLog))
}
})
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