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test for REPL .save and .load and documentation updates
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// Copyright Joyent, Inc. and other Node contributors. | ||
// | ||
// Permission is hereby granted, free of charge, to any person obtaining a | ||
// copy of this software and associated documentation files (the | ||
// "Software"), to deal in the Software without restriction, including | ||
// without limitation the rights to use, copy, modify, merge, publish, | ||
// distribute, sublicense, and/or sell copies of the Software, and to permit | ||
// persons to whom the Software is furnished to do so, subject to the | ||
// following conditions: | ||
// | ||
// The above copyright notice and this permission notice shall be included | ||
// in all copies or substantial portions of the Software. | ||
// | ||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN | ||
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, | ||
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | ||
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | ||
// USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
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var assert = require('assert'); | ||
var util = require('util'); | ||
var join = require('path').join; | ||
var fs = require('fs'); | ||
var common = require('../common'); | ||
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var repl = require('repl'); | ||
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// A stream to push an array into a REPL | ||
function ArrayStream() { | ||
this.run = function (data) { | ||
var self = this; | ||
data.forEach(function (line) { | ||
self.emit('data', line); | ||
}); | ||
} | ||
} | ||
util.inherits(ArrayStream, require('stream').Stream); | ||
ArrayStream.prototype.readable = true; | ||
ArrayStream.prototype.writable = true; | ||
ArrayStream.prototype.resume = function () {}; | ||
ArrayStream.prototype.write = function () {}; | ||
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var works = [ [ 'inner.one' ], 'inner.o' ]; | ||
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var putIn = new ArrayStream(); | ||
var testMe = repl.start('', putIn); | ||
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var testFile = [ | ||
'var top = function () {', | ||
'var inner = {one:1};' | ||
]; | ||
var saveFileName = join(common.tmpDir, 'test.save.js'); | ||
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// input some data | ||
putIn.run(testFile); | ||
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// save it to a file | ||
putIn.run(['.save ' + saveFileName]); | ||
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// the file should have what I wrote | ||
assert.equal( | ||
fs.readFileSync(saveFileName, 'utf8'), | ||
testFile.join('\n') + '\n'); | ||
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// make sure that the REPL data is "correct" | ||
// so when I load it back I know I'm good | ||
testMe.complete('inner.o', function (error, data) { | ||
assert.deepEqual(data, works); | ||
}); | ||
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// clear the REPL | ||
putIn.run(['.clear']); | ||
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// Load the file back in | ||
putIn.run(['.load ' + saveFileName]); | ||
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// make sure that the REPL data is "correct" | ||
testMe.complete('inner.o', function (error, data) { | ||
assert.deepEqual(data, works); | ||
}); | ||
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// clear the REPL | ||
putIn.run(['.clear']); | ||
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var loadFile = join(common.tmpDir, 'file.does.not.exist'); | ||
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// shold not break | ||
putIn.write = function(data) { | ||
// make sure I get a failed to load message and not some crazy error | ||
assert.equal(data, | ||
'Failed to load:' + loadFile + '\n'); | ||
// eat me to avoid work | ||
putIn.write = function() {}; | ||
}; | ||
putIn.run(['.load ' +loadFile]); | ||
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//TODO how do I do a failed .save test? |