flow like the river

BACK_BACK/node_modules/static-module/test/fs_twice.js

@@ -0,0 +1,84 @@
+var staticModule = require('../');
+var test = require('tape');
+var concat = require('concat-stream');
+var quote = require('quote-stream');
+var through = require('through2');
+var fs = require('fs');
+var path = require('path');
+
+test('fs.readFileSync twice', function (t) {
+    var expected = [ 'EXTERMINATE\n', 'beep boop\n' ];
+    t.plan(expected.length + 1);
+    var sm = staticModule({
+        fs: { readFileSync: readFileSync }
+    }, { vars: { __dirname: __dirname + '/fs_twice' } });
+    readStream('html.js').pipe(sm).pipe(concat(function (body) {
+        t.equal(body.toString('utf8'),
+            'var a = "EXTERMINATE\\n";\n'
+            + 'var b = "beep boop\\n";\n'
+            + 'console.log(a);\n'
+            + 'console.log(b);\n'
+        );
+        Function(['console'],body)({ log: log });
+        function log (msg) { t.equal(msg, expected.shift()) }
+    }));
+});
+
+test('fs.readFileSync twice in vars', function (t) {
+    var expected = [ 'EXTERMINATE\n', 'beep boop\n' ];
+    t.plan(expected.length + 1);
+    var sm = staticModule({
+        fs: { readFileSync: readFileSync }
+    }, { vars: { __dirname: __dirname + '/fs_twice' } });
+    readStream('vars.js').pipe(sm).pipe(concat(function (body) {
+        t.equal(body.toString('utf8').trim(),
+            'var a = "EXTERMINATE\\n",\n'
+            + '    b = "beep boop\\n";\n'
+            + 'console.log(a);\n'
+            + 'console.log(b);'
+        );
+        Function(['console'],body)({ log: log });
+        function log (msg) { t.equal(msg, expected.shift()) }
+    }));
+});
+
+test('fs.readFileSync 4x', function (t) {
+    var expected = [
+        'EXTERMINATE\n', 'beep boop\n', 'EXTERMINATE\n', 'beep boop\n'
+    ];
+    t.plan(expected.length + 1);
+    var sm = staticModule({
+        fs: { readFileSync: readFileSync }
+    }, { vars: { __dirname: __dirname + '/fs_twice' } });
+    readStream('4x.js').pipe(sm).pipe(concat(function (body) {
+        t.equal(body.toString('utf8').trim(),
+            'var a = "EXTERMINATE\\n";\n'
+            + 'var b = "beep boop\\n";\n'
+            + 'var c = "EXTERMINATE\\n";\n'
+            + 'var d = "beep boop\\n";\n'
+            + 'console.log(a);\n'
+            + 'console.log(b);\n'
+            + 'console.log(c);\n'
+            + 'console.log(d);'
+        );
+        Function(['console'],body)({ log: log });
+        function log (msg) { t.equal(msg, expected.shift()) }
+    }));
+});
+
+function readStream (file) {
+    return fs.createReadStream(path.join(__dirname, 'fs_twice', file));
+}
+
+function readFile (file, cb) {
+    var stream = through(write, end);
+    stream.push('process.nextTick(function(){(' + cb + ')(null,');
+    return fs.createReadStream(file).pipe(quote()).pipe(stream);
+    
+    function write (buf, enc, next) { this.push(buf); next() }
+    function end (next) { this.push(')})'); this.push(null); next() }
+}
+
+function readFileSync (file, opts) {
+    return fs.createReadStream(file).pipe(quote());
+}