3 files changed, 59 insertions, 0 deletions

diff --git a/.hgignore b/.hgignore
index f9ae076..a1f944b 100644
--- a/.hgignore
+++ b/.hgignore
@@ -1,5 +1,6 @@
 \.pyc$
 \.coverage$
+\.swp$
 ^build$
 ^dist$
 ^build$
diff --git a/mrbelvedere/template_parser.py b/mrbelvedere/template_parser.py
new file mode 100644
index 0000000..6217d30
--- /dev/null
+++ b/mrbelvedere/template_parser.py
@@ -0,0 +1,22 @@
+""" Parse build templates
+"""
+import yaml
+
+
+class TemplateParser(object):
+
+    def __init__(self):
+        self.yaml = yaml
+        self._current_template_file = None
+        self.template_data = None
+
+    @property
+    def template_file(self):
+        return self._current_template_file
+
+    @template_file.setter
+    def template_file(self, file):
+        self._current_template_file = open(file)
+
+    def load_template(self):
+        self.template_data = self.yaml.load(self.template_file.read()).get('template')
diff --git a/tests/test_template_parser.py b/tests/test_template_parser.py
new file mode 100644
index 0000000..5cb6e2b
--- /dev/null
+++ b/tests/test_template_parser.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+from dingus import Dingus, DingusTestCase, DontCare
+import nose.tools as nose_tools
+from mrbelvedere import template_parser
+from mrbelvedere.template_parser import TemplateParser
+import yaml
+
+class WhenSettingUp(DingusTestCase(TemplateParser, exclude=['yaml'])):
+
+    def setup(self):
+        super(WhenSettingUp, self).setup()
+        self.template_parser = TemplateParser()
+
+    def should_setup_yaml(self):
+        assert isinstance(self.template_parser.yaml, type(yaml))
+
+    def should_degine_template_data_attribute(self):
+        assert self.template_parser.template_data is None
+
+    def should_define_file_attribute(self):
+        assert self.template_parser._current_template_file is None
+
+    def should_set_file_to_parse(self):
+        self.template_parser.template_file = 'examples/webserver.yaml'
+        assert self.template_parser.template_file is not None
+
+    def should_load_template(self):
+        self.template_parser.template_file = 'examples/webserver.yaml'
+        self.template_parser.load_template()
+        assert self.template_parser.template_data is not None
+
+    def should_raise_io_error(self):
+        try:
+            self.template_parser.template_file = 'examples/invalid_template.yaml'
+        except IOError:
+            assert True