multi-pipe test

FugueNation · Jan 13, 2012 · fefd768 · fefd768
1 parent 3d31cf1
commit fefd768
Showing 1 changed file with 24 additions and 11 deletions.
diff --git a/tests/test-pipe.js b/tests/test-pipe.js
@@ -1,14 +1,27 @@
 var assert = require('assert')
-	, exec = require('child_process').exec
-	, $p = require(__dirname + '/..')
+  , exec = require('child_process').exec
+  , $p = require(__dirname + '/..')
+  , opts = { out: false }
 
 exec('cat tests/fixtures/3lines.txt | wc -l', function(err, output) {
-	if(err) { throw err }
-	assert.equal('3', output.trim())
-
-	var opts = { out: false }
-	$p('cat tests/fixtures/3lines.txt', opts).pipe('wc -l', opts)
-		.stdout.on('data', function(output) {
-			assert.equal('3', output.toString().trim())
-		})
-})
+  if(err) { throw err }
+  assert.equal('3', output.trim())
+
+  $p('cat tests/fixtures/3lines.txt', opts).pipe('wc -l', opts)
+    .stdout.on('data', function(output) {
+      assert.equal('3', output.toString().trim())
+    })
+})
+
+exec('cat tests/fixtures/10lines.txt | grep "even" | wc -l'
+  , function(err, output) {
+    if(err) { throw err }
+    assert.equal('5', output.trim())
+
+  $p('cat tests/fixtures/10lines.txt', opts)
+    .pipe('grep "even"', opts)
+    .pipe('wc -l', opts)
+      .stdout.on('data', function(output) {
+        assert.equal('5', output.toString().trim())
+      })
+})