Add tests for combine plugin.

hyde/tests/ext/combine/script.1.js

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+var a = 1 + 2;

hyde/tests/ext/combine/script.2.js

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+var b = a + 3;

hyde/tests/ext/combine/script.3.js

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+var c = a + 5;

hyde/tests/ext/test_combine.py

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+# -*- coding: utf-8 -*-
+"""
+Use nose
+`$ pip install nose`
+`$ nosetests`
+"""
+from hyde.fs import File, Folder
+from hyde.model import Expando
+from hyde.generator import Generator
+from hyde.site import Site
+
+COMBINE_SOURCE = File(__file__).parent.child_folder('combine')
+TEST_SITE = File(__file__).parent.parent.child_folder('_test')
+
+
+class TestCombine(object):
+
+    def setUp(self):
+        TEST_SITE.make()
+        TEST_SITE.parent.child_folder(
+                    'sites/test_jinja').copy_contents_to(TEST_SITE)
+        TEST_SITE.child_folder('content/media/js').make()
+        COMBINE_SOURCE.copy_contents_to(TEST_SITE.child('content/media/js'))
+
+    def tearDown(self):
+        TEST_SITE.delete()
+
+    def _test_combine(self, content):
+        s = Site(TEST_SITE)
+        s.config.plugins = [
+            'hyde.ext.plugins.meta.MetaPlugin',
+            'hyde.ext.plugins.combine.CombinePlugin']
+        source = TEST_SITE.child('content/media/js/script.js')
+        target = File(Folder(s.config.deploy_root_path).child('media/js/script.js'))
+        File(source).write(content)
+
+        gen = Generator(s)
+        gen.generate_resource_at_path(source)
+
+        assert target.exists
+        text = target.read_all()
+        return text, s
+
+    def test_combine_top(self):
+        text, _ = self._test_combine("""
+---
+combine:
+   files: script.*.js
+   where: top
+---
+
+Last line""")
+        assert len(text.split("\n")) == 4
+        assert text.split("\n")[-1] == "Last line"
+        return
+
+    def test_combine_bottom(self):
+        text, _ = self._test_combine("""
+---
+combine:
+   files: script.*.js
+   where: bottom
+---
+
+First line
+""")
+        assert len(text.split("\n")) == 4
+        assert text.split("\n")[0] == "First line"
+        return
+
+    def test_combine_remove(self):
+        _, s = self._test_combine("""
+---
+combine:
+   files: script.*.js
+   remove: yes
+---
+
+First line""")
+        for i in range(1,4):
+            assert not File(Folder(s.config.deploy_root_path).
+                            child('media/js/script.%d.js' % i)).exists