Add additional environment variables to processes

catfish/project/__init__.py

@@ -53,6 +53,9 @@ class Project:
         except StopIteration:
             return None
 
+    def get_extra_path(self):
+        return [self.root.joinpath("node_modules/.bin"), self.root.joinpath("env/bin")]
+
 
 @dataclass
 class Process:

catfish/worker/server.py

@@ -68,7 +68,14 @@ async def run_process_command(project: Project, process: Process):
         *command,
         stdout=subprocess.PIPE,
         stderr=subprocess.STDOUT,
-        env={**os.environ, "PYTHONUNBUFFERED": "1"},
+        env={
+            **os.environ,
+            "PYTHONUNBUFFERED": "1",
+            "CATFISH_IDENT": process.ident,
+            "PATH": "{}:{}".format(
+                ":".join(map(str, project.get_extra_path())), os.environ["PATH"]
+            ),
+        },
         cwd=project.root
     )
     asyncio.ensure_future(publish_stdout_for(proc, process))

tests/test_worker/test_server.py

@@ -1,3 +1,5 @@
+import psutil
+
 from catfish.project import Project
 from catfish.utils.processes import is_process_running
 from catfish.worker import BASE_SOCKET_DIR
@@ -6,20 +8,37 @@ from tests import BaseWorkerTestCase
 
 
 class WorkerServerTestCase(BaseWorkerTestCase):
-    def test_server_creates_process(self):
-        project = Project(self.EXAMPLE_DIR)
-        process = project.get_process("bg")
-        response = send_to_server(
-            PayloadType.PROCESS,
-            {"path": str(project.root), "process": str(process.name)},
-        )
-        self.assertTrue(is_process_running(response["pid"]))
-
     def test_ping(self):
         response = send_to_server(PayloadType.PING, {})
         self.assertEqual(response, {"ping": "pong"})
 
 
+class ProcessWorkerTestCase(BaseWorkerTestCase):
+    def setUp(self):
+        super().setUp()
+        self.project = Project(self.EXAMPLE_DIR)
+        self.process = self.project.get_process("bg")
+
+    def test_server_creates_process(self):
+        response = send_to_server(
+            PayloadType.PROCESS,
+            {"path": str(self.project.root), "process": str(self.process.name)},
+        )
+        self.assertTrue(is_process_running(response["pid"]))
+
+    def test_additional_environment(self):
+        response = send_to_server(
+            PayloadType.PROCESS,
+            {"path": str(self.project.root), "process": str(self.process.name)},
+        )
+        env = psutil.Process(response["pid"]).environ()
+        self.assertEqual(env["PYTHONUNBUFFERED"], "1")
+        self.assertEqual(env["CATFISH_IDENT"], self.process.ident)
+        path_dirs = env["PATH"].split(":")
+        for path in self.project.get_extra_path():
+            self.assertIn(str(path), path_dirs)
+
+
 class ProcessLogsTestCase(BaseWorkerTestCase):
     def setUp(self):
         super().setUp()