Diff: mbed-os/tools/test/targets/target_test.py

Revision:

0:02dd72d1d465

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/tools/test/targets/target_test.py	Tue Apr 24 11:45:18 2018 +0000
@@ -0,0 +1,133 @@
+#!/usr/bin/env python
+"""
+ mbed
+ Copyright (c) 2017-2017 ARM Limited
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+"""
+import os
+import sys
+import shutil
+import tempfile
+from os.path import join, abspath, dirname
+from contextlib import contextmanager
+import pytest
+
+from tools.targets import TARGETS, TARGET_MAP, Target, update_target_data
+from tools.arm_pack_manager import Cache
+
+
+def test_device_name():
+    """Assert device name is in a pack"""
+    cache = Cache(True, True)
+    named_targets = (target for target in TARGETS if
+                     hasattr(target, "device_name"))
+    for target in named_targets:
+        assert target.device_name in cache.index,\
+            ("Target %s contains invalid device_name %s" %
+             (target.name, target.device_name))
+
+@contextmanager
+def temp_target_file(extra_target, json_filename='custom_targets.json'):
+    """Create an extra targets temp file in a context manager
+
+    :param extra_target: the contents of the extra targets temp file
+    """
+    tempdir = tempfile.mkdtemp()
+    try:
+        targetfile = os.path.join(tempdir, json_filename)
+        with open(targetfile, 'w') as f:
+            f.write(extra_target)
+        yield tempdir
+    finally:
+        # Reset extra targets
+        Target.set_targets_json_location()
+        # Delete temp files
+        shutil.rmtree(tempdir)
+
+def test_add_extra_targets():
+    """Search for extra targets json in a source folder"""
+    test_target_json = """
+    { 
+        "Test_Target": {
+            "inherits": ["Target"]
+        }
+    }
+    """
+    with temp_target_file(test_target_json) as source_dir:
+        Target.add_extra_targets(source_dir=source_dir)
+        update_target_data()
+
+        assert 'Test_Target' in TARGET_MAP
+        assert TARGET_MAP['Test_Target'].core is None, \
+            "attributes should be inherited from Target"
+
+def test_modify_existing_target():
+    """Set default targets file, then override base Target definition"""
+    initial_target_json = """
+    {
+        "Target": {
+            "core": null,
+            "default_toolchain": "ARM",
+            "supported_toolchains": null,
+            "extra_labels": [],
+            "is_disk_virtual": false,
+            "macros": [],
+            "device_has": [],
+            "features": [],
+            "detect_code": [],
+            "public": false,
+            "default_lib": "std",
+            "bootloader_supported": false
+        },
+        "Test_Target": {
+            "inherits": ["Target"],
+            "core": "Cortex-M4",
+            "supported_toolchains": ["ARM"]
+        }
+    }"""
+
+    test_target_json = """
+    { 
+        "Target": {
+            "core": "Cortex-M0",
+            "default_toolchain": "GCC_ARM",
+            "supported_toolchains": null,
+            "extra_labels": [],
+            "is_disk_virtual": false,
+            "macros": [],
+            "device_has": [],
+            "features": [],
+            "detect_code": [],
+            "public": false,
+            "default_lib": "std",
+            "bootloader_supported": true
+        }
+    }
+    """
+
+    with temp_target_file(initial_target_json, json_filename="targets.json") as targets_dir:
+        Target.set_targets_json_location(os.path.join(targets_dir, "targets.json"))
+        update_target_data()
+        assert TARGET_MAP["Test_Target"].core == "Cortex-M4"
+        assert TARGET_MAP["Test_Target"].default_toolchain == 'ARM'
+        assert TARGET_MAP["Test_Target"].bootloader_supported == False
+
+        with temp_target_file(test_target_json) as source_dir:
+            Target.add_extra_targets(source_dir=source_dir)
+            update_target_data()
+
+            assert TARGET_MAP["Test_Target"].core == "Cortex-M4"
+            # The existing target should not be modified by custom targets
+            assert TARGET_MAP["Test_Target"].default_toolchain != 'GCC_ARM'
+            assert TARGET_MAP["Test_Target"].bootloader_supported != True