Demo for query storing
Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/from2/test.js b/node_modules/from2/test.js
new file mode 100644
index 0000000..b11bd6c
--- /dev/null
+++ b/node_modules/from2/test.js
@@ -0,0 +1,123 @@
+var test = require('tape')
+var path = require('path')
+var from = require('./')
+var fs = require('fs')
+
+var tmp = path.resolve(
+ __dirname, 'tmp.txt'
+)
+
+function fromString(string) {
+ return from(function(size, next) {
+ if (string.length <= 0) return next(null, null)
+ var chunk = string.slice(0, size)
+ string = string.slice(size)
+ next(null, chunk)
+ })
+}
+
+test('from2', function(t) {
+ var contents = fs.readFileSync(__filename, 'utf8')
+ var stream = fromString(contents)
+
+ stream
+ .pipe(fs.createWriteStream(tmp))
+ .on('close', function() {
+ t.equal(fs.readFileSync(tmp, 'utf8'), contents)
+ fs.unlinkSync(tmp)
+ t.end()
+ })
+})
+
+test('old mode', function(t) {
+ var contents = fs.readFileSync(__filename, 'utf8')
+ var stream = fromString(contents)
+ var buffer = ''
+
+ stream.on('data', function(data) {
+ buffer += data
+ }).on('end', function() {
+ t.equal(buffer, contents)
+ t.end()
+ })
+})
+
+test('destroy', function(t) {
+ var stream = from(function(size, next) {
+ process.nextTick(function() {
+ next(null, 'no')
+ })
+ })
+
+ stream.on('data', function(data) {
+ t.ok(false)
+ }).on('close', function() {
+ t.ok(true)
+ t.end()
+ })
+
+ stream.destroy()
+})
+
+test('arrays', function (t) {
+ var input = ['a', 'b', 'c']
+ var stream = from(input)
+ var output = []
+ stream.on('data', function (letter) {
+ output.push(letter.toString())
+ })
+ stream.on('end', function () {
+ t.deepEqual(input, output)
+ t.end()
+ })
+})
+
+test('obj arrays', function (t) {
+ var input = [{foo:'a'}, {foo:'b'}, {foo:'c'}]
+ var stream = from.obj(input)
+ var output = []
+ stream.on('data', function (letter) {
+ output.push(letter)
+ })
+ stream.on('end', function () {
+ t.deepEqual(input, output)
+ t.end()
+ })
+})
+
+
+test('arrays can emit errors', function (t) {
+ var input = ['a', 'b', new Error('ooops'), 'c']
+ var stream = from(input)
+ var output = []
+ stream.on('data', function (letter) {
+ output.push(letter.toString())
+ })
+ stream.on('error', function(e){
+ t.deepEqual(['a', 'b'], output)
+ t.equal('ooops', e.message)
+ t.end()
+ })
+ stream.on('end', function () {
+ t.fail('the stream should have errored')
+ })
+})
+
+test('obj arrays can emit errors', function (t) {
+ var input = [{foo:'a'}, {foo:'b'}, new Error('ooops'), {foo:'c'}]
+ var stream = from.obj(input)
+ var output = []
+ stream.on('data', function (letter) {
+ output.push(letter)
+ })
+ stream.on('error', function(e){
+ t.deepEqual([{foo:'a'}, {foo:'b'}], output)
+ t.equal('ooops', e.message)
+ t.end()
+ })
+ stream.on('end', function () {
+ t.fail('the stream should have errored')
+ })
+})
+
+