refactor: init cypress-cucumber-preprocessor install.

node_modules/browserify/test/syntax_cache.js

@@ -0,0 +1,47 @@
+var Seq = require('seq');
+var browserify = require('../');
+var test = require('tap').test;
+var shasum = require('shasum');
+
+test('syntax cache - valid', function (t) {
+    t.plan(2);
+    
+    var expectedCache = {}
+    var cacheKey;
+    
+    var b = browserify(__dirname + '/syntax_cache/valid.js');    
+    b.once('dep', function(row) {
+        cacheKey = shasum(row.source);
+        expectedCache[cacheKey] = true;
+    });
+    
+    Seq()
+        .seq(function() { b.bundle(this); })
+        .seq(function() {
+            t.deepEqual(b._syntaxCache, expectedCache);
+            b._syntaxCache[cacheKey] = expectedCache[cacheKey] = 'beep';
+            b.bundle(function(err, src) {
+                // if the cache worked, the "cacheKey"
+                // should not be reset to "true"
+                t.deepEqual(b._syntaxCache, expectedCache);
+            });
+        });
+});
+
+test('syntax cache - skip invalid', function (t) {
+    t.plan(5);
+    
+    var b = browserify(__dirname + '/syntax_cache/invalid.js');
+    
+    Seq()
+        .seq(function() { b.bundle(this); })
+        .catch(function(lastErr) {
+            t.deepEqual(b._syntaxCache, {});
+            t.similar(String(lastErr), /ParseError/);
+            b.bundle(function(err, src) {
+                t.deepEqual(b._syntaxCache, {});
+                t.similar(String(err), /ParseError/);
+                t.notEqual(lastErr, err, 'errors should be unique');
+            });
+        });
+});