2 files changed, 94 insertions, 0 deletions
diff --git a/g_sorcery/ebuild.py b/g_sorcery/ebuild.py
index 47c727a..88e9acd 100644
--- a/g_sorcery/ebuild.py
+++ b/g_sorcery/ebuild.py
@@ -10,3 +10,31 @@
     :copyright: (c) 2013 by Jauhien Piatlicki
     :license: GPL-2, see LICENSE for more details.
 """
+
+import string
+
+class EbuildGenerator:
+    def __init__(self, db):
+        self.db = db
+
+    def generate(self, package):
+        #a possible exception should be catched in the caller
+        description = self.db.get_package_description(package)
+        ebuild = self.get_template(package, description)
+        ebuild = self.process(ebuild, description)
+        ebuild = self.postprocess(ebuild, description)
+        return ebuild
+
+    def process(self, ebuild, description):
+        result = []
+        for line in ebuild:
+            tmpl = string.Template(line)
+            result.append(tmpl.substitute(description))
+        return result
+        
+    def get_template(self, package, description):
+        ebuild = []
+        return ebuild
+        
+    def postprocess(self, ebuild, description):
+        return ebuild
diff --git a/tests/test_ebuild.py b/tests/test_ebuild.py
new file mode 100644
index 0000000..029e2df
--- /dev/null
+++ b/tests/test_ebuild.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+    test_ebuild.py
+    ~~~~~~~~~~~~~~~~~~
+    
+    ebuild generator test suite
+    
+    :copyright: (c) 2013 by Jauhien Piatlicki
+    :license: GPL-2, see LICENSE for more details.
+"""
+
+import tempfile, unittest
+
+from g_sorcery import ebuild, package_db
+
+package = package_db.Package("app-test", "test", "0.1")
+
+class DummyDB(package_db.PackageDB):
+    def __init__(self, directory):
+        super().__init__(directory)
+
+    def generate_tree(self):
+        self.add_category("app-test")
+        self.add_package(package,
+                         {"author" : "jauhien", "homepage" : "127.0.0.1"})
+
+
+class DummyEbuildGenerator(ebuild.EbuildGenerator):
+    def get_template(self, ebuild, description):
+        tmpl = ["test", "author: $author", "homepage: $homepage", "var: $$var"]
+        return tmpl
+
+
+class TestEbuildGenerator(unittest.TestCase):
+    
+    def setUp(self):
+        self.tempdir = tempfile.TemporaryDirectory()
+        pass
+
+    def tearDown(self):
+        del self.tempdir
+        pass
+
+    def test_process(self):
+        eg = DummyEbuildGenerator(None)
+        tst_dict = {"a" : "d", "b" : "e", "c" : "f"}
+        ebuild = ["$a", "$b", "$c"]
+        ebuild = eg.process(ebuild, tst_dict)
+        self.assertEqual(ebuild, ["d", "e", "f"])
+
+    def test_generate(self):
+        db = DummyDB(self.tempdir.name)
+        db.generate()
+        eg = DummyEbuildGenerator(db)
+        ebuild = eg.generate(package)
+        self.assertEqual(ebuild, ['test', 'author: jauhien',
+                                  'homepage: 127.0.0.1', 'var: $var'])
+
+        
+def suite():
+    suite = unittest.TestSuite()
+    suite.addTest(TestEbuildGenerator('test_process'))
+    suite.addTest(TestEbuildGenerator('test_generate'))
+    return suite