Create cli_test.py

tests/cli_test.py

@@ -0,0 +1,24 @@
+import subprocess
+from pathlib import Path
+from typing import List
+
+import pytest
+
+PROJECT_DIR = Path(__file__).parent.parent
+EXAMPLE_FILE = PROJECT_DIR / "example.json"
+
+
+@pytest.mark.parametrize(
+    "cmd",
+    [
+        f"extremitypathfinder {EXAMPLE_FILE} -s 2.5 3.2 -g 7.9 6.8",
+    ],
+)
+def test_main(cmd: List[str]):
+    res = subprocess.getoutput(cmd)
+    assert not res.endswith("command not found"), "package not installed"
+    splits = res.split(" ")
+    length = float(splits[-1])
+    print("length:", length)
+    path = " ".join(splits[:-1])
+    print("path:", path)