test: handle user-chosen cargo target directory

Sponsored-by: author

1 files changed, 5 insertions, 9 deletions

diff --git a/subplot/ewww.py b/subplot/ewww.py
index a6c4c4f..11915ae 100644
--- a/subplot/ewww.py
+++ b/subplot/ewww.py
@@ -10,12 +10,6 @@ import urllib.parse
 import yaml
 
 
-# Name of Rust binary, debug-build.
-def _binary(name):
-    srcdir = globals()["srcdir"]
-    return os.path.abspath(os.path.join(srcdir, "target", "debug", name))
-
-
 # Write a file with given content.
 def _write(filename, content):
     open(filename, "w").write(content)
@@ -59,6 +53,7 @@ def copy_test_certificate(ctx, cert=None, key=None):
 # Start server using named configuration file.
 def start_server(ctx, filename=None):
     get_file = globals()["get_file"]
+    srcdir = globals()["srcdir"]
     daemon_start_on_port = globals()["daemon_start_on_port"]
 
     logging.debug(f"Starting ewww with config file {filename}")
@@ -72,9 +67,10 @@ def start_server(ctx, filename=None):
     config = yaml.safe_dump(config)
     _write(filename, config)
 
-    daemon_start_on_port(
-        ctx, path=_binary("ewww"), args=filename, name="ewww", port=port
-    )
+    target = os.environ.get("CARGO_TARGET_DIR", os.path.join(srcdir, "target"))
+    logging.debug(f"Cargo target directory: {target}")
+    binary = os.path.join(target, "debug", "ewww")
+    daemon_start_on_port(ctx, binary, args=filename, name="ewww", port=port)
 
 
 # Stop previously started server.