test

node_modules/stream-combiner/test/index.js

@@ -0,0 +1,52 @@
+var es = require('event-stream')
+var combine = require('..')
+var test = require('tape')
+
+test('do not duplicate errors', function (test) {
+
+  var errors = 0;
+  var pipe = combine(
+    es.through(function(data) {
+      return this.emit('data', data);
+    }),
+    es.through(function(data) {
+      return this.emit('error', new Error(data));
+    })
+  )
+
+  pipe.on('error', function(err) {
+    errors++
+    test.ok(errors, 'expected error count')
+      process.nextTick(function () {
+        return test.end();
+      })
+  })
+
+  return pipe.write('meh');
+})
+
+test('3 pipe do not duplicate errors', function (test) {
+
+  var errors = 0;
+  var pipe = combine(
+    es.through(function(data) {
+      return this.emit('data', data);
+    }),
+    es.through(function(data) {
+      return this.emit('error', new Error(data));
+    }),
+    es.through()
+  )
+
+  pipe.on('error', function(err) {
+    errors++
+    test.ok(errors, 'expected error count')
+      process.nextTick(function () {
+        return test.end();
+      })
+  })
+
+  return pipe.write('meh');
+
+})
+