Unittest - default to ../src/ as location for task/taskd binaries

test/basetest/task.py

@@ -5,7 +5,7 @@ import tempfile
 import shutil
 import atexit
 import unittest
-from .utils import run_cmd_wait, run_cmd_wait_nofail, which
+from .utils import run_cmd_wait, run_cmd_wait_nofail, which, binary_location
 from .exceptions import CommandError
 
 
@@ -20,7 +20,9 @@ class Task(object):
 
     A taskw client should not be used after being destroyed.
     """
-    def __init__(self, taskd=None, taskw="task"):
+    DEFAULT_TASK = binary_location("task")
+
+    def __init__(self, taskd=None, taskw=DEFAULT_TASK):
         """Initialize a Task warrior (client) that can interact with a taskd
         server. The task client runs in a temporary folder.
 

test/basetest/taskd.py

@@ -8,7 +8,7 @@ import atexit
 from time import sleep
 from subprocess import Popen
 from .utils import (find_unused_port, release_port, port_used, run_cmd_wait,
-                    which, parse_datafile)
+                    which, parse_datafile, CURRENT_DIR, binary_location)
 from .exceptions import CommandError
 
 try:
@@ -16,9 +16,10 @@ try:
 except ImportError:
     DEVNULL = open(os.devnull, 'w')
 
-# Location relative to current script location
-_curdir = os.path.dirname(os.path.abspath(__file__))
-DEFAULT_CERT_PATH = os.path.abspath(os.path.join(_curdir, "..", "test_certs"))
+# Directory relative to basetest module location
+DEFAULT_CERT_PATH = os.path.abspath(
+    os.path.join(CURRENT_DIR, "..", "test_certs")
+)
 
 
 class Taskd(object):
@@ -34,7 +35,7 @@ class Taskd(object):
     A server can be stopped and started multiple times, but should not be
     started or stopped after being destroyed.
     """
-    DEFAULT_TASKD = "taskd"
+    DEFAULT_TASKD = binary_location("taskd")
 
     def __init__(self, taskd=DEFAULT_TASKD, certpath=None,
                  address="127.0.0.1"):

test/basetest/utils.py

@@ -18,9 +18,29 @@ from .exceptions import CommandError
 USED_PORTS = set()
 ON_POSIX = 'posix' in sys.builtin_module_names
 
+# Directory relative to basetest module location
+CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
+
+# Location of binary files (usually the src/ folder)
+BIN_PREFIX = os.path.abspath(
+    os.path.join(CURRENT_DIR, "..", "..", "src")
+)
+
 # Environment flags to control skipping of task and taskd tests
 TASKW_SKIP = os.environ.get("TASKW_SKIP", False)
 TASKD_SKIP = os.environ.get("TASKD_SKIP", False)
+# Environment flags to control use of PATH or in-tree binaries
+USE_PATH = os.environ.get("USE_PATH", False)
+
+
+def binary_location(cmd):
+    """If USE_PATH is set rely on PATH to look for task/taskd binaries.
+    Otherwise ../src/ is used by default.
+    """
+    if USE_PATH:
+        return cmd
+    else:
+        return os.path.join(BIN_PREFIX, cmd)
 
 
 def wait_process(proc, timeout=1):