grassTask.get_param(): full match also for strings (OSGeo#3582)

* script.task: Create test file grassTask.get_param()

Co-authored-by: Edouard Choinière <[email protected]>

python/grass/script/task.py

@@ -148,9 +148,6 @@ def get_param(self, value, element="name", raiseError=True):
             if isinstance(val, (list, tuple)):
                 if value in val:
                     return p
-            elif isinstance(val, (bytes, str)):
-                if p[element][: len(value)] == value:
-                    return p
             else:
                 if p[element] == value:
                     return p

python/grass/script/tests/test_script_task.py

@@ -0,0 +1,11 @@
+from grass.script.task import grassTask as gtask
+
+
+def test_mapcalc_simple_e_name():
+    gt = gtask("r.mapcalc.simple")
+    assert gt.get_param("e")["name"] == "e"
+
+
+def test_mapcalc_simple_expession_name():
+    gt = gtask("r.mapcalc.simple")
+    assert gt.get_param("expression")["name"] == "expression"