internal: add failing test for re-bundling css-modules#32

Author: joeybaker

tests/cache.js

@@ -0,0 +1,49 @@
+var tape = require('tape');
+
+var browserify = require('browserify');
+var proxyquire = require('proxyquire');
+var fs = require('fs');
+var path = require('path');
+var rebundler = require('rebundler');
+
+var casesDir = path.join(__dirname, 'cases');
+var simpleCaseDir = path.join(casesDir, 'simple')
+var cssOutFilename = 'out.css';
+
+tape('multiple builds', function (t) {
+  var fakeFs = {
+    writeFile: function (filename, content, cb) {
+      var expected = fs.readFileSync(path.join(simpleCaseDir, 'expected.css'), 'utf8');
+
+      t.equal(filename, cssOutFilename, 'correct output filename');
+      t.equal(content, expected, 'output matches expected');
+      cb();
+    }
+  };
+
+  var cssModulesify = proxyquire('../', {
+    fs: fakeFs
+  });
+
+  var getBundler = rebundler(function (cache, packageCache) {
+    return browserify(path.join(simpleCaseDir, 'main.js'), {
+      cache: cache
+    , packageCache: packageCache
+    , fullPaths: true
+    })
+      .plugin(cssModulesify, {
+        rootDir: path.join(simpleCaseDir),
+        output: cssOutFilename
+      });
+  });
+
+  getBundler().bundle(function (err) {
+    t.error(err, 'initial bundle without a cache does not error');
+
+    getBundler().bundle(function (err2) {
+      t.error(err, 'second pass bundle with a cache does not error');
+
+      t.end();
+    });
+  });
+});