Current File : //proc/self/root/home/infra/fusioninventory/lib/lazy.js-0.5.1/spec/node_spec.min.js
var fs=require("fs"),Stream=require("stream"),MemoryStream=require("memorystream"),util=require("../util.js");require("./lazy_spec.js");require("./map_spec.js");require("./filter_spec.js");require("./reverse_spec.js");require("./shuffle_spec.js");require("./concat_spec.js");require("./flatten_spec.js");require("./take_spec.js");require("./drop_spec.js");require("./initial_spec.js");require("./sort_by_spec.js");require("./group_by_spec.js");require("./count_by_spec.js");require("./without_spec.js");require("./union_spec.js");require("./intersection_spec.js");require("./uniq_spec.js");require("./zip_spec.js");require("./find_spec.js");require("./min_spec.js");require("./max_spec.js");require("./sum_spec.js");require("./watch_spec.js");require("./merge_spec.js");require("./join_spec.js");require("./memoize_spec.js");require("./equals_spec.js");require("./index_of_spec.js");require("./contains_spec.js");if(util.isHarmonySupported()){require("./es6_spec.js")}require("./object_like_sequence_spec.js");require("./string_like_sequence_spec.js");require("./async_sequence_spec.js");require("./async_handle_spec.js");describe("working with streams",function(){it("can split the contents of the stream, as if it were a string",function(){var stream=fs.createReadStream("./spec/data/haiku.txt"),words=[];Lazy(stream).split(/\s+/).each(function(word){words.push(word)});waitsFor(toBePopulated(words,13));runs(function(){expect(words).toEqual(["at","the","age","old","pond","a","frog","leaps","into","water","a","deep","resonance"])})});it("can split the contents of the stream across chunks",function(){var stream=new MemoryStream,pieces=[];Lazy(stream).split("to be").each(function(piece){pieces.push(piece)});stream.write("this ");stream.write("needs ");stream.write("to ");stream.write("be ");stream.write("split");stream.end();waitsFor(toBePopulated(pieces,2));runs(function(){expect(pieces).toEqual(["this needs "," split"])})});it("can split the contents of the stream across chunks w/ a regex delimiter",function(){var stream=new MemoryStream,pieces=[];Lazy(stream).split(/[aeiou]/).each(function(piece){pieces.push(piece)});stream.write("the");stream.write(" quick ");stream.write("brown ");stream.write("fox\n");stream.write("jumped");stream.write(" over");stream.write(" the lazy ");stream.write("dog's back");stream.end();waitsFor(toBePopulated(pieces,14));runs(function(){expect(pieces).toEqual(["th"," q","","ck br","wn f","x\nj","mp","d ","v","r th"," l","zy d","g's b","ck"])})});it("can also do string-style matching on streams",function(){var stream=fs.createReadStream("./spec/data/haiku.txt"),words=[];Lazy(stream).match(/\ba\w*/).each(function(word){words.push(word)});waitsFor(toBePopulated(words));runs(function(){expect(words).toEqual(["at","age","a","a"])})});it("does not insert extra breaks on newlines when splitting",function(){var stream=fs.createReadStream("./spec/data/commas.txt"),chunks=[];Lazy(stream).split(/,\s*/).each(function(chunk){chunks.push(chunk)});waitsFor(toBePopulated(chunks));runs(function(){expect(chunks).toEqual(["first chunk","second chunk","third\nchunk","fourth chunk","fifth chunk"])})});describe("file streams",function(){describe("lines",function(){it("reads every line of a file",function(){var lines=[];runs(function(){Lazy.readFile("./spec/data/lines.txt").lines().each(function(line){lines.push(line)})});waitsFor(toBePopulated(lines,25));runs(function(){expect(lines).toEqual(Lazy.repeat("The quick brown fox jumped over the lazy dog.",25).toArray())})});it("reads every line of a file (using a handle)",function(){var done=jasmine.createSpy();runs(function(){Lazy.readFile("./spec/data/lines.txt").lines().toArray().onComplete(function(array){expect(array).toEqual(Lazy.repeat("The quick brown fox jumped over the lazy dog.",25).toArray());done()})});waitsFor(toBeCalled(done))})});describe("wrapping a stream directly",function(){it("works the same as calling a helper, e.g., readFile",function(){var lines=[];runs(function(){Lazy(fs.createReadStream("./spec/data/lines.txt")).lines().take(1).each(function(line){lines.push(line)})});waitsFor(function(){return lines.length>0});runs(function(){expect(lines[0]).toEqual("The quick brown fox jumped over the lazy dog.")})});it("exposes an AsyncHandle for reduce()-style operations",function(){var callback=jasmine.createSpy();Lazy(fs.createReadStream("./spec/data/haiku.txt")).split(/\s+/).toArray().onComplete(function(arr){callback(arr)});waitsFor(toBeCalled(callback));runs(function(){var words=callback.calls[0].args[0];expect(words.slice(0,8)).toEqual(["at","the","age","old","pond","a","frog","leaps"])})})});describe("wrapping non-text streams",function(){var JSONStream=require("JSONStream");it("works with whatever the stream produces, such as objects",function(){var objects=[];runs(function(){var stream=fs.createReadStream("./spec/data/objects.json").pipe(JSONStream.parse("*"));Lazy(stream).each(function(object){objects.push(object)})});waitsFor(toBePopulated(objects));runs(function(){var names=Lazy(objects).pluck("name");expect(names).toComprise(["foobar","flintstones"])})})})});if(typeof Stream.Readable!=="undefined"){describe("toStream",function(){it("creates a readable stream that you can use just like any other stream",function(){var stream=Lazy(fs.createReadStream("./spec/data/lines.txt")).map(function(chunk){return chunk.toUpperCase()}).toStream();var finished=jasmine.createSpy();var output=new MemoryStream(null,{readable:false});stream.pipe(output);stream.on("end",finished);waitsFor(toBeCalled(finished));runs(function(){var contents=output.toString();var expected=Lazy.repeat("The quick brown fox jumped over the lazy dog.".toUpperCase(),25).join("\n");expect(contents).toEqual(expected)})});it("respects file delimiter set on the instance (e.g. by .lines())",function(){var stream=Lazy.readFile("./spec/data/lines.txt").lines().take(5).toStream();var finished=jasmine.createSpy();var output=new MemoryStream(null,{readable:false});stream.pipe(output);stream.on("end",finished);waitsFor(toBeCalled(finished));runs(function(){var contents=output.toString().replace(/\n$/,"");var expected=Lazy.repeat("The quick brown fox jumped over the lazy dog.",5).join("\n");expect(contents).toEqual(expected)})});it("supports passing in an encoding",function(){function testEncoding(encoding,expectedOutput){var lines=[];runs(function(){Lazy.readFile("./spec/data/unicode.txt",encoding).lines().each(function(line){lines.push(line)})});waitsFor(function(){return lines.length>0});runs(function(){expect(lines[0]).toEqual(expectedOutput)})}testEncoding("base64","SSDinaQgTlkK");testEncoding("utf8","I ❤ NY")})})}});
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