test: parser exceptions

.pre-commit-config.yaml

@@ -1,7 +1,8 @@
 exclude: |
     (?x)^(
         README.md|
-        LICENSE
+        LICENSE|
+        tests/in/invalid.yaml
     )
 repos:
     - repo: https://github.com/pre-commit/pre-commit-hooks

tests/in/invalid.yaml

@@ -0,0 +1,3 @@
+what-is-this:
+  "an invalid yaml"
+  "test purpose"

tests/in/no-services.yaml

@@ -0,0 +1,3 @@
+what-is-this:
+  - "a yaml file without services"
+  - "test purpose"

tests/test_extends.py

@@ -1,7 +1,6 @@
 import pytest
 
 from compose_viz.extends import Extends
-from compose_viz.service import Service
 
 
 def test_extend_init():
@@ -15,15 +14,3 @@ def test_extend_init():
 
     with pytest.raises(TypeError):
         Extends(from_file="tests/in/000001.yaml")  # type: ignore
-
-
-def test_service_init():
-    with pytest.raises(ValueError, match=r"Both image and extends are not defined in service 'frontend', aborting."):
-        Service(name="frontend")
-
-    with pytest.raises(
-        ValueError, match=r"Only one of image and extends can be defined in service 'frontend', aborting."
-    ):
-        Service(
-            name="frontend", image="image", extends=Extends(service_name="frontend", from_file="tests/in/000001.yaml")
-        )

tests/test_parser.py

@@ -0,0 +1,18 @@
+import pytest
+
+from compose_viz.parser import Parser
+
+
+def test_parser_error_parsing_file():
+    with pytest.raises(RuntimeError, match=r"Error parsing file 'tests/in/invalid.yaml'.*"):
+        Parser().parse("tests/in/invalid.yaml")
+
+
+def test_parser_invalid_yaml():
+    with pytest.raises(RuntimeError, match=r"Empty yaml file, aborting."):
+        Parser().parse("tests/in/000000.yaml")
+
+
+def test_parser_no_services_found():
+    with pytest.raises(RuntimeError, match=r"No services found, aborting."):
+        Parser().parse("tests/in/no-services.yaml")

tests/test_service.py

@@ -0,0 +1,16 @@
+import pytest
+
+from compose_viz.extends import Extends
+from compose_viz.service import Service
+
+
+def test_service_init():
+    with pytest.raises(ValueError, match=r"Both image and extends are not defined in service 'frontend', aborting."):
+        Service(name="frontend")
+
+    with pytest.raises(
+        ValueError, match=r"Only one of image and extends can be defined in service 'frontend', aborting."
+    ):
+        Service(
+            name="frontend", image="image", extends=Extends(service_name="frontend", from_file="tests/in/000001.yaml")
+        )