From 7388b3f8eac6608c6a204a28fcd636ac49a3d24c Mon Sep 17 00:00:00 2001
From: ldericher <40151420+ldericher@users.noreply.github.com>
Date: Mon, 25 Oct 2021 13:00:11 +0200
Subject: [PATCH] pytest Instance

---
 kiwi_scp/instance.py   |  9 ++++++---
 tests/test_instance.py | 31 +++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 3 deletions(-)
 create mode 100644 tests/test_instance.py

diff --git a/kiwi_scp/instance.py b/kiwi_scp/instance.py
index 41facbe..12b1052 100644
--- a/kiwi_scp/instance.py
+++ b/kiwi_scp/instance.py
@@ -1,7 +1,7 @@
 import functools
 import re
 from pathlib import Path
-from typing import Iterable, List, Dict, Any
+from typing import List, Dict, Any, Generator
 
 import attr
 import yaml
@@ -68,5 +68,8 @@ class Instance:
         return Config.from_instance(self.directory)
 
     @property
-    def projects(self) -> Iterable[Project]:
-        return []
+    def projects(self) -> Generator[Project, None, None]:
+        return (
+            Project.from_directory(self.directory.joinpath(project.name))
+            for project in self.config.projects
+        )
diff --git a/tests/test_instance.py b/tests/test_instance.py
new file mode 100644
index 0000000..60dd462
--- /dev/null
+++ b/tests/test_instance.py
@@ -0,0 +1,31 @@
+from pathlib import Path
+
+from kiwi_scp.instance import Instance
+
+
+def test_example():
+    i = Instance(Path("example"))
+
+    assert i.config is not None
+    assert len(list(i.projects)) == 1
+
+    p = next(i.projects)
+
+    assert p.directory == Path("example/hello-world.project")
+
+
+def test_empty():
+    i = Instance()
+
+    assert i.directory == Path(".")
+    assert i.config is not None
+    assert len(list(i.projects)) == 0
+
+
+def test_no_such_dir():
+    nonexistent_path = Path("nonexistent")
+    i = Instance(nonexistent_path)
+
+    assert i.directory == nonexistent_path
+    assert i.config is not None
+    assert len(list(i.projects)) == 0