grass.tools: Add API and CLI to access tools without a session

python/grass/app/tests/grass_app_cli_test.py

@@ -53,3 +53,21 @@ def test_subcommand_run_tool_regular_run():
 def test_subcommand_run_tool_failure_run():
     """Check that a tool produces non-zero return code"""
     assert main(["run", "g.region", "raster=does_not_exist"]) == 1
+
+
+def test_subcommand_run_tool_pack(rows_raster_file3x2, tmp_path):
+    """Check that a tool accepts and produces a raster pack file"""
+    output = tmp_path / "output.grass_raster"
+    assert (
+        main(
+            [
+                "run",
+                "r.mapcalc.simple",
+                "expression=2 * A",
+                f"a={rows_raster_file3x2}",
+                f"output={output}",
+            ]
+        )
+        == 0
+    )
+    assert output.exists()

python/grass/experimental/tests/conftest.py

@@ -33,6 +33,14 @@ def xy_session_for_module(tmp_path_factory):
         yield session
 
 
+@pytest.fixture
+def xy_dataset_session(tmp_path):
+    """Creates a session with a mapset which has vector with a float column"""
+    gs.core._create_location_xy(tmp_path, "test")  # pylint: disable=protected-access
+    with gs.setup.init(tmp_path / "test") as session:
+        yield session
+
+
 @pytest.fixture
 def unique_id():
     """A unique alphanumeric identifier"""
@@ -69,3 +77,41 @@ def xy_mapset_non_permament(xy_session):  # pylint: disable=redefined-outer-name
         "test1", create=True, env=xy_session.env
     ) as session:
         yield session
+
+
+@pytest.fixture
+def rows_raster_file3x3(tmp_path):
+    project = tmp_path / "xy_test3x3"
+    gs.create_project(project)
+    with gs.setup.init(project, env=os.environ.copy()) as session:
+        gs.run_command("g.region", rows=3, cols=3, env=session.env)
+        gs.mapcalc("rows = row()", env=session.env)
+        output_file = tmp_path / "rows3x3.grass_raster"
+        gs.run_command(
+            "r.pack",
+            input="rows",
+            output=output_file,
+            flags="c",
+            superquiet=True,
+            env=session.env,
+        )
+    return output_file
+
+
+@pytest.fixture
+def rows_raster_file4x5(tmp_path):
+    project = tmp_path / "xy_test4x5"
+    gs.create_project(project)
+    with gs.setup.init(project, env=os.environ.copy()) as session:
+        gs.run_command("g.region", rows=4, cols=5, env=session.env)
+        gs.mapcalc("rows = row()", env=session.env)
+        output_file = tmp_path / "rows4x5.grass_raster"
+        gs.run_command(
+            "r.pack",
+            input="rows",
+            output=output_file,
+            flags="c",
+            superquiet=True,
+            env=session.env,
+        )
+    return output_file