Make services testable

services.py

@@ -4,28 +4,29 @@ from git_repository import GitRepository
 
 class InitReleaseService():
 
-    def __init__(self, commit_id, file):
-        self.commit_id = commit_id
+    def __init__(self, file):
         self.file = file
         self.version_repo = None        
 
-    def __calculate_release_type(self):
-        return GitRepository().get_release_type_from_latest_commit()
+    def __calculate_release_type(self, commit_string = None):
+        if commit_string is None:
+            return GitRepository().get_release_type_from_latest_commit()
+        else:
+            return GitRepository.create_from_commit_string(commit_string).get_release_type_from_latest_commit()
         
     def get_version(self, release_type):
         self.version_repo = VersionRepository(self.file)
         return self.version_repo.get_version(release_type)
 
-    def create_release_version(self):
-        commit_message = self.read_commit_message(self.commit_id)
-        release_type = self.__calculate_release_type(commit_message)
+    def create_release_version(self, commit_string = None):
+        release_type = self.__calculate_release_type(commit_string)
         version = self.get_version(release_type).create_release_version()
         
         self.version_repo.write_file(version.get_version_string())
 
     def create_bump_version(self):
         if self.version_repo == None:
-            raise Exception('VersionRepo was not created. Did you run create_lease_version()?')
+            raise Exception('VersionRepo was not created. Did you run create_release_version()?')
         version = self.get_version(ReleaseType.BUMP).create_bump_version()
         
         self.version_repo.write_file(version.get_version_string())