Add mock-upload tests

test/conftest.py

@@ -29,14 +29,7 @@
 from .common import Board
 
 
-@pytest.fixture(scope="function")
-def data_dir(tmpdir_factory):
-    """
-    A tmp folder will be created before running
-    each test and deleted at the end, this way all the
-    tests work in isolation.
-    """
-
+def create_data_dir(tmpdir_factory):
     # it seems that paths generated by pytest's tmpdir_factory are too
     # long and may lead to arduino-cli compile failures due to the
     # combination of (some or all of) the following reasons:
@@ -65,6 +58,21 @@ def data_dir(tmpdir_factory):
         shutil.rmtree(data, ignore_errors=True)
 
 
+@pytest.fixture(scope="session")
+def session_data_dir(tmpdir_factory):
+    yield from create_data_dir(tmpdir_factory)
+
+
+@pytest.fixture(scope="function")
+def data_dir(tmpdir_factory):
+    """
+    A tmp folder will be created before running
+    each test and deleted at the end, this way all the
+    tests work in isolation.
+    """
+    yield from create_data_dir(tmpdir_factory)
+
+
 @pytest.fixture(scope="session")
 def downloads_dir(tmpdir_factory, worker_id):
     """
@@ -114,7 +122,7 @@ def run_command(pytestconfig, data_dir, downloads_dir, working_dir):
         "ARDUINO_DOWNLOADS_DIR": downloads_dir,
         "ARDUINO_SKETCHBOOK_DIR": data_dir,
     }
-    (Path(data_dir) / "packages").mkdir()
+    (Path(data_dir) / "packages").mkdir(exist_ok=True)
 
     def _run(cmd_string, custom_working_dir=None, custom_env=None):
 

test/test_upload_mock.py

@@ -0,0 +1,71 @@
+# This file is part of arduino-cli.
+#
+# Copyright 2020 ARDUINO SA (http://www.arduino.cc/)
+#
+# This software is released under the GNU General Public License version 3,
+# which covers the main part of arduino-cli.
+# The terms of this license can be found at:
+# https://www.gnu.org/licenses/gpl-3.0.en.html
+#
+# You can be released from the requirements of the above licenses by purchasing
+# a commercial license. Buying such a license is mandatory if you want to modify or
+# otherwise use the software for commercial activities involving the Arduino
+# software without disclosing the source code of your own applications. To purchase
+# a commercial license, send an email to [email protected].
+
+import tempfile
+import hashlib
+import pytest
+from pathlib import Path
+
+
+def generate_build_dir(sketch_path):
+    sketch_path_md5 = hashlib.md5(bytes(sketch_path)).hexdigest().upper()
+    build_dir = Path(tempfile.gettempdir(), f"arduino-sketch-{sketch_path_md5}")
+    build_dir.mkdir(parents=True, exist_ok=True)
+    return build_dir.resolve()
+
+
+testdata = [
+    (
+        "arduino:avr:uno",
+        "arduino:[email protected]",
+        "/dev/ttyACM0",
+        '"{data_dir}/packages/arduino/tools/avrdude/6.3.0-arduino17/bin/avrdude" '
+        + '"-C{data_dir}/packages/arduino/tools/avrdude/6.3.0-arduino17/etc/avrdude.conf" '
+        + '-v -V -patmega328p -carduino "-P{upload_port}" -b115200 -D "-Uflash:w:{build_dir}/{sketch_name}.ino.hex:i"',
+    ),
+    (
+        "arduino:avr:leonardo",
+        "arduino:[email protected]",
+        "/dev/ttyACM999",
+        '"{data_dir}/packages/arduino/tools/avrdude/6.3.0-arduino17/bin/avrdude" '
+        + '"-C{data_dir}/packages/arduino/tools/avrdude/6.3.0-arduino17/etc/avrdude.conf" '
+        + '-v -V -patmega32u4 -cavr109 "-P{upload_port}0" -b57600 -D "-Uflash:w:{build_dir}/{sketch_name}.ino.hex:i"',
+    ),
+]
+
+
+@pytest.mark.parametrize("fqbn, core, upload_port, expected_output", testdata)
+def test_upload_sketch(run_command, session_data_dir, downloads_dir, fqbn, core, upload_port, expected_output):
+    env = {
+        "ARDUINO_DATA_DIR": session_data_dir,
+        "ARDUINO_DOWNLOADS_DIR": downloads_dir,
+        "ARDUINO_SKETCHBOOK_DIR": session_data_dir,
+    }
+    assert run_command(f"core install {core}", custom_env=env)
+
+    # Create a sketch
+    sketch_name = "TestSketchForUpload"
+    sketch_path = Path(session_data_dir, sketch_name)
+    assert run_command(f'sketch new "{sketch_path}"', custom_env=env)
+
+    # Fake compilation, we just need the folder to exist
+    build_dir = generate_build_dir(sketch_path)
+
+    res = run_command(f'upload -p {upload_port} -b {fqbn} "{sketch_path}" --dry-run -v', custom_env=env)
+    assert res.ok
+
+    assert expected_output.format(
+        data_dir=session_data_dir, upload_port=upload_port, build_dir=build_dir, sketch_name=sketch_name
+    ).replace("\\", "/") in res.stdout.replace("\\", "/")