d2-ui
Version:
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JavaScript
var bl = require("bl");
var should = require("should");
var MemoryFileSystem = require("../lib/MemoryFileSystem");
describe("directory", function() {
it("should have a empty root directory as startup", function(done) {
var fs = new MemoryFileSystem();
fs.readdirSync("/").should.be.eql([]);
var stat = fs.statSync("/");
stat.isFile().should.be.eql(false);
stat.isDirectory().should.be.eql(true);
fs.readdir("/", function(err, files) {
if(err) throw err;
files.should.be.eql([]);
done();
});
});
it("should make and remove directories (linux style)", function() {
var fs = new MemoryFileSystem();
fs.mkdirSync("/test");
fs.mkdirSync("/test//sub/");
fs.mkdirpSync("/test/sub2");
fs.mkdirSync("/root\\dir");
fs.mkdirpSync("/");
fs.mkdirSync("/");
fs.readdirSync("/").should.be.eql(["test", "root\\dir"]);
fs.readdirSync("/test/").should.be.eql(["sub", "sub2"]);
fs.rmdirSync("/test/sub//");
fs.readdirSync("//test").should.be.eql(["sub2"]);
fs.rmdirSync("/test/sub2");
fs.rmdirSync("/test");
fs.existsSync("/test").should.be.eql(false);
(function() {
fs.readdirSync("/test");
}).should.throw();
fs.readdirSync("/").should.be.eql(["root\\dir"]);
fs.mkdirpSync("/a/depth/sub/dir");
fs.existsSync("/a/depth/sub").should.be.eql(true);
var stat = fs.statSync("/a/depth/sub");
stat.isFile().should.be.eql(false);
stat.isDirectory().should.be.eql(true);
});
it("should make and remove directories (windows style)", function() {
var fs = new MemoryFileSystem();
fs.mkdirSync("C:\\");
fs.mkdirSync("C:\\test");
fs.mkdirSync("C:\\test\\\\sub/");
fs.mkdirpSync("c:\\test/sub2");
fs.mkdirSync("C:\\root-dir");
fs.readdirSync("C:").should.be.eql(["test", "root-dir"]);
fs.readdirSync("C:/test/").should.be.eql(["sub", "sub2"]);
fs.rmdirSync("C:/test\\sub\\\\");
fs.readdirSync("C:\\\\test").should.be.eql(["sub2"]);
fs.rmdirSync("C:\\test\\sub2");
fs.rmdirSync("C:\\test");
fs.existsSync("C:\\test").should.be.eql(false);
(function() {
fs.readdirSync("C:\\test");
}).should.throw();
fs.readdirSync("C:").should.be.eql(["root-dir"]);
fs.mkdirpSync("D:\\a\\depth\\sub\\dir");
fs.existsSync("D:\\a\\depth\\sub").should.be.eql(true);
var stat = fs.statSync("D:\\a\\depth\\sub");
stat.isFile().should.be.eql(false);
stat.isDirectory().should.be.eql(true);
fs.readdirSync("D:\\//a/depth/\\sub").should.be.eql(["dir"]);
});
});
describe("files", function() {
it("should make and remove files", function() {
var fs = new MemoryFileSystem();
fs.mkdirSync("/test");
var buf = new Buffer("Hello World", "utf-8");
fs.writeFileSync("/test/hello-world.txt", buf);
fs.readFileSync("/test/hello-world.txt").should.be.eql(buf);
fs.readFileSync("/test/hello-world.txt", "utf-8").should.be.eql("Hello World");
(function() {
fs.readFileSync("/test/other-file");
}).should.throw();
(function() {
fs.readFileSync("/test/other-file", "utf-8");
}).should.throw();
fs.writeFileSync("/a", "Test", "utf-8");
fs.readFileSync("/a", "utf-8").should.be.eql("Test");
var stat = fs.statSync("/a");
stat.isFile().should.be.eql(true);
stat.isDirectory().should.be.eql(false);
});
});
describe("errors", function() {
it("should fail on invalid paths", function() {
var fs = new MemoryFileSystem();
fs.mkdirpSync("/test/a/b/c");
fs.mkdirpSync("/test/a/bc");
fs.mkdirpSync("/test/abc");
(function() {
fs.mkdirpSync("xyz");
}).should.throw();
(function() {
fs.readdirSync("/test/abc/a/b/c");
}).should.throw();
(function() {
fs.readdirSync("/abc");
}).should.throw();
(function() {
fs.statSync("/abc");
}).should.throw();
(function() {
fs.mkdirSync("/test/a/d/b/c");
}).should.throw();
(function() {
fs.writeFileSync("/test/a/d/b/c", "Hello");
}).should.throw();
(function() {
fs.readFileSync("/test/a/d/b/c");
}).should.throw();
(function() {
fs.readFileSync("/test/abcd");
}).should.throw();
(function() {
fs.mkdirSync("/test/abcd/dir");
}).should.throw();
(function() {
fs.unlinkSync("/test/abcd");
}).should.throw();
(function() {
fs.unlinkSync("/test/abcd/file");
}).should.throw();
(function() {
fs.statSync("/test/a/d/b/c");
}).should.throw();
(function() {
fs.statSync("/test/abcd");
}).should.throw();
fs.mkdir("/test/a/d/b/c", function(err) {
err.should.be.instanceof(Error);
});
});
it("should fail incorrect arguments", function() {
var fs = new MemoryFileSystem();
(function() {
fs.writeFileSync("/test");
}).should.throw();
});
it("should fail on wrong type", function() {
var fs = new MemoryFileSystem();
fs.mkdirpSync("/test/dir");
fs.mkdirpSync("/test/dir");
fs.writeFileSync("/test/file", "Hello");
(function() {
fs.writeFileSync("/test/dir", "Hello");
}).should.throw();
(function() {
fs.readFileSync("/test/dir");
}).should.throw();
(function() {
fs.writeFileSync("/", "Hello");
}).should.throw();
(function() {
fs.rmdirSync("/");
}).should.throw();
(function() {
fs.unlinkSync("/");
}).should.throw();
(function() {
fs.mkdirSync("/test/dir");
}).should.throw();
(function() {
fs.mkdirSync("/test/file");
}).should.throw();
(function() {
fs.mkdirpSync("/test/file");
}).should.throw();
(function() {
fs.readdirSync("/test/file");
}).should.throw();
fs.readdirSync("/test/").should.be.eql(["dir", "file"]);
});
it("should throw on readlink", function() {
var fs = new MemoryFileSystem();
fs.mkdirpSync("/test/dir");
(function() {
fs.readlinkSync("/");
}).should.throw();
(function() {
fs.readlinkSync("/link");
}).should.throw();
(function() {
fs.readlinkSync("/test");
}).should.throw();
(function() {
fs.readlinkSync("/test/dir");
}).should.throw();
(function() {
fs.readlinkSync("/test/dir/link");
}).should.throw();
});
});
describe("async", function() {
it("should be able to use the async versions", function(done) {
var fs = new MemoryFileSystem();
fs.mkdirp("/test/dir", function(err) {
if(err) throw err;
fs.writeFile("/test/dir/a", "Hello", function(err) {
if(err) throw err;
fs.writeFile("/test/dir/b", "World", "utf-8", function(err) {
if(err) throw err;
fs.readFile("/test/dir/a", "utf-8", function(err, content) {
if(err) throw err;
content.should.be.eql("Hello");
fs.readFile("/test/dir/b", function(err, content) {
if(err) throw err;
content.should.be.eql(new Buffer("World"));
fs.exists("/test/dir/b", function(exists) {
exists.should.be.eql(true);
done();
});
});
});
});
});
});
});
it("should return errors", function(done) {
var fs = new MemoryFileSystem();
fs.readFile("/fail/file", function(err, content) {
err.should.be.instanceof(Error);
fs.writeFile("/fail/file", "", function(err) {
err.should.be.instanceof(Error);
done();
});
});
});
});
describe("streams", function() {
describe("writable streams", function() {
it("should write files", function() {
var fs = new MemoryFileSystem();
fs.createWriteStream("/file").end("Hello");
fs.readFileSync("/file", "utf8").should.be.eql("Hello");
});
it("should zero files", function() {
var fs = new MemoryFileSystem();
fs.createWriteStream("/file").end();
fs.readFileSync("/file", "utf8").should.be.eql("");
});
it("should accept pipes", function(done) {
// TODO: Any way to avoid the asyncness of this?
var fs = new MemoryFileSystem();
bl(new Buffer("Hello"))
.pipe(fs.createWriteStream("/file"))
.once('finish', function() {
fs.readFileSync("/file", "utf8").should.be.eql("Hello");
done();
});
});
it("should propagate errors", function(done) {
var fs = new MemoryFileSystem();
var stream = fs.createWriteStream("file");
var err = false;
stream.once('error', function() {
err = true;
}).once('finish', function() {
err.should.eql(true);
done();
});
stream.end();
});
});
describe("readable streams", function() {
it("should read files", function(done) {
var fs = new MemoryFileSystem();
fs.writeFileSync("/file", "Hello");
fs.createReadStream("/file").pipe(bl(function(err, data) {
data.toString('utf8').should.be.eql("Hello");
done();
}));
});
it("should respect start/end", function(done) {
var fs = new MemoryFileSystem();
fs.writeFileSync("/file", "Hello");
fs.createReadStream("/file", {
start: 1,
end: 3
}).pipe(bl(function(err, data) {
data.toString('utf8').should.be.eql("el");
done();
}));
});
it("should propagate errors", function(done) {
var fs = new MemoryFileSystem();
var stream = fs.createReadStream("file");
var err = false;
// Why does this dummy event need to be here? It looks like it
// either has to be this or data before the stream will actually
// do anything.
stream.on('readable', function() { }).on('error', function() {
err = true;
}).on('end', function() {
err.should.eql(true);
done();
});
stream.read(0);
});
});
});
describe("normalize", function() {
it("should normalize paths", function() {
var fs = new MemoryFileSystem();
fs.normalize("/a/b/c").should.be.eql("/a/b/c");
fs.normalize("/a//b/c").should.be.eql("/a/b/c");
fs.normalize("/a//b//c").should.be.eql("/a/b/c");
fs.normalize("//a//b//c").should.be.eql("/a/b/c");
fs.normalize("/a/////b/c").should.be.eql("/a/b/c");
fs.normalize("/./a/d///..////b/c").should.be.eql("/a/b/c");
fs.normalize("/..").should.be.eql("/");
fs.normalize("/.").should.be.eql("/");
fs.normalize("/.git").should.be.eql("/.git");
fs.normalize("/a/b/c/.git").should.be.eql("/a/b/c/.git");
fs.normalize("/a/b/c/..git").should.be.eql("/a/b/c/..git");
fs.normalize("/a/b/c/..").should.be.eql("/a/b");
fs.normalize("/a/b/c/../..").should.be.eql("/a");
fs.normalize("/a/b/c/../../..").should.be.eql("/");
fs.normalize("C:\\a\\..").should.be.eql("C:\\");
fs.normalize("C:\\a\\b\\..").should.be.eql("C:\\a");
fs.normalize("C:\\a\\b\\\c\\..\\..").should.be.eql("C:\\a");
fs.normalize("C:\\a\\b\\d\\..\\c\\..\\..").should.be.eql("C:\\a");
fs.normalize("C:\\a\\b\\d\\\\.\\\\.\\c\\.\\..").should.be.eql("C:\\a\\b\\d");
});
});
describe("join", function() {
it("should join paths", function() {
var fs = new MemoryFileSystem();
fs.join("/", "a/b/c").should.be.eql("/a/b/c");
fs.join("/a", "b/c").should.be.eql("/a/b/c");
fs.join("/a/b", "c").should.be.eql("/a/b/c");
fs.join("/a/", "b/c").should.be.eql("/a/b/c");
fs.join("/a//", "b/c").should.be.eql("/a/b/c");
fs.join("a", "b/c").should.be.eql("a/b/c");
fs.join("a/b", "c").should.be.eql("a/b/c");
fs.join("C:", "a/b").should.be.eql("C:\\a\\b");
fs.join("C:\\", "a/b").should.be.eql("C:\\a\\b");
fs.join("C:\\", "a\\b").should.be.eql("C:\\a\\b");
});
it("should join paths (weird cases)", function() {
var fs = new MemoryFileSystem();
fs.join("/", "").should.be.eql("/");
fs.join("/a/b/", "").should.be.eql("/a/b/");
fs.join("/a/b/c", "").should.be.eql("/a/b/c");
fs.join("C:", "").should.be.eql("C:");
fs.join("C:\\a\\b", "").should.be.eql("C:\\a\\b");
});
it("should join paths (absolute request)", function() {
var fs = new MemoryFileSystem();
fs.join("/a/b/c", "/d/e/f").should.be.eql("/d/e/f");
fs.join("C:\\a\\b\\c", "/d/e/f").should.be.eql("/d/e/f");
fs.join("/a/b/c", "C:\\d\\e\\f").should.be.eql("C:\\d\\e\\f");
fs.join("C:\\a\\b\\c", "C:\\d\\e\\f").should.be.eql("C:\\d\\e\\f");
});
});
describe("os", function() {
var fileSystem;
beforeEach(function() {
fileSystem = new MemoryFileSystem({
"": true,
a: {
"": true,
index: new Buffer("1"), // /a/index
dir: {
"": true,
index: new Buffer("2") // /a/dir/index
}
},
"C:": {
"": true,
a: {
"": true,
index: new Buffer("3"), // C:\files\index
dir: {
"": true,
index: new Buffer("4") // C:\files\a\index
}
}
}
});
});
describe("unix", function() {
it("should stat stuff", function() {
fileSystem.statSync("/a").isDirectory().should.be.eql(true);
fileSystem.statSync("/a").isFile().should.be.eql(false);
fileSystem.statSync("/a/index").isDirectory().should.be.eql(false);
fileSystem.statSync("/a/index").isFile().should.be.eql(true);
fileSystem.statSync("/a/dir").isDirectory().should.be.eql(true);
fileSystem.statSync("/a/dir").isFile().should.be.eql(false);
fileSystem.statSync("/a/dir/index").isDirectory().should.be.eql(false);
fileSystem.statSync("/a/dir/index").isFile().should.be.eql(true);
});
it("should readdir directories", function() {
fileSystem.readdirSync("/a").should.be.eql(["index", "dir"]);
fileSystem.readdirSync("/a/dir").should.be.eql(["index"]);
});
it("should readdir directories", function() {
fileSystem.readFileSync("/a/index", "utf-8").should.be.eql("1");
fileSystem.readFileSync("/a/dir/index", "utf-8").should.be.eql("2");
});
it("should also accept multi slashs", function() {
fileSystem.statSync("/a///dir//index").isFile().should.be.eql(true);
});
});
describe("windows", function() {
it("should stat stuff", function() {
fileSystem.statSync("C:\\a").isDirectory().should.be.eql(true);
fileSystem.statSync("C:\\a").isFile().should.be.eql(false);
fileSystem.statSync("C:\\a\\index").isDirectory().should.be.eql(false);
fileSystem.statSync("C:\\a\\index").isFile().should.be.eql(true);
fileSystem.statSync("C:\\a\\dir").isDirectory().should.be.eql(true);
fileSystem.statSync("C:\\a\\dir").isFile().should.be.eql(false);
fileSystem.statSync("C:\\a\\dir\\index").isDirectory().should.be.eql(false);
fileSystem.statSync("C:\\a\\dir\\index").isFile().should.be.eql(true);
});
it("should readdir directories", function() {
fileSystem.readdirSync("C:\\a").should.be.eql(["index", "dir"]);
fileSystem.readdirSync("C:\\a\\dir").should.be.eql(["index"]);
});
it("should readdir directories", function() {
fileSystem.readFileSync("C:\\a\\index", "utf-8").should.be.eql("3");
fileSystem.readFileSync("C:\\a\\dir\\index", "utf-8").should.be.eql("4");
});
it("should also accept multi slashs", function() {
fileSystem.statSync("C:\\\\a\\\\\\dir\\\\index").isFile().should.be.eql(true);
});
it("should also accept a normal slash", function() {
fileSystem.statSync("C:\\a\\dir/index").isFile().should.be.eql(true);
fileSystem.statSync("C:\\a\\dir\\index").isFile().should.be.eql(true);
fileSystem.statSync("C:\\a/dir/index").isFile().should.be.eql(true);
fileSystem.statSync("C:\\a/dir\\index").isFile().should.be.eql(true);
});
});
});