[Buildroot] [PATCH 5/5] support/testing: test check-package ignores external.mk

[Ricardo Martincoski <ricardo.martincoski@gmail.com>]

Check external.mk is ignored only when in the root path of a
br2-external.

Add a file called external.mk as a fixture to be used by the test case.

Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Cc: Arnout Vandecappelle <arnout@mind.be>
---
 .../tests/utils/br2-external/external.mk      |  2 ++
 .../br2-external/package/external/external.mk |  1 +
 .../testing/tests/utils/test_check_package.py | 25 ++++++++++++++++++-
 3 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 support/testing/tests/utils/br2-external/package/external/external.mk

diff --git a/support/testing/tests/utils/br2-external/external.mk b/support/testing/tests/utils/br2-external/external.mk
index e69de29bb2..470c01a382 100644
--- a/support/testing/tests/utils/br2-external/external.mk
+++ b/support/testing/tests/utils/br2-external/external.mk
@@ -0,0 +1,2 @@
+custom-target:
+	@echo "do nothing"
diff --git a/support/testing/tests/utils/br2-external/package/external/external.mk b/support/testing/tests/utils/br2-external/package/external/external.mk
new file mode 100644
index 0000000000..74fb6540ab
--- /dev/null
+++ b/support/testing/tests/utils/br2-external/package/external/external.mk
@@ -0,0 +1 @@
+# wrong
diff --git a/support/testing/tests/utils/test_check_package.py b/support/testing/tests/utils/test_check_package.py
index 85f2e280a8..301aae51ac 100644
--- a/support/testing/tests/utils/test_check_package.py
+++ b/support/testing/tests/utils/test_check_package.py
@@ -66,7 +66,7 @@ class TestCheckPackageBasicUsage(TestCheckPackage):
     The script can be called either using relative path, absolute path or from PATH.
     The files to be checked can be passed as arguments using either relative path or absolute path.
     When in in-tree mode (without -b) some in-tree files and also all out-of-tree files are ignored.
-    When in out-tree mode (with -b) the script does generate warnings.
+    When in out-tree mode (with -b) the script does generate warnings but ignores external.mk.
     """
 
     def test_run(self):
@@ -146,3 +146,26 @@ class TestCheckPackageBasicUsage(TestCheckPackage):
         self.assert_file_was_processed(m)
         self.assert_warnings_generated_for_file(m)
         self.assertIn("{}:1: empty line at end of file".format(abs_file), w)
+
+        # external.mk is ignored only when in the root path of a br2-external
+        rel_file = "external.mk"
+        abs_file = os.path.join(abs_path, rel_file)
+
+        _, m = call_script(["check-package", "-b", rel_file], self.WITH_UTILS_IN_PATH, abs_path)
+        self.assert_file_was_ignored(m)
+
+        _, m = call_script(["check-package", "-b", abs_file], self.WITH_UTILS_IN_PATH, infra.basepath())
+        self.assert_file_was_ignored(m)
+
+        rel_file = "package/external/external.mk"
+        abs_file = os.path.join(abs_path, rel_file)
+
+        w, m = call_script(["check-package", "-b", rel_file], self.WITH_UTILS_IN_PATH, abs_path)
+        self.assert_file_was_processed(m)
+        self.assert_warnings_generated_for_file(m)
+        self.assertIn("{}:1: should be 80 hashes (http://nightly.buildroot.org/#writing-rules-mk)".format(abs_file), w)
+
+        w, m = call_script(["check-package", "-b", abs_file], self.WITH_UTILS_IN_PATH, infra.basepath())
+        self.assert_file_was_processed(m)
+        self.assert_warnings_generated_for_file(m)
+        self.assertIn("{}:1: should be 80 hashes (http://nightly.buildroot.org/#writing-rules-mk)".format(abs_file), w)
-- 
2.17.1