[PATCH 3/4] testsuite: emit output filenames in generate_dependency_graph

["'Felix Moessbauer' via isar-users" <isar-users@googlegroups.com>]

Emit the filenames of the buildlist and dot output, so consumers can
directly use that for further analysis (instead of guessing the path).
For that, we also need to sanitize the filename to ensure it does not
contain a path seperator.

Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
---
 testsuite/cibase.py | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/testsuite/cibase.py b/testsuite/cibase.py
index 52748004..033b3b19 100755
--- a/testsuite/cibase.py
+++ b/testsuite/cibase.py
@@ -29,7 +29,10 @@ class CIBaseTest(CIBuilder):
                                   should_fail=False,
                                   reconfigure=True,
                                   **kwargs):
-        """Debug helper to better understand test task graphs."""
+        """
+        Debug helper to better understand test task graphs.
+        Returns a path pair (buildlist, task-depends.dot)
+        """
         if reconfigure:
             self.configure(targets=targets, **kwargs)
 
@@ -37,8 +40,14 @@ class CIBaseTest(CIBuilder):
 
         self.bitbake(targets, should_fail=should_fail,
                      bitbake_extra_args=["-g"], **kwargs)
-        self.move_in_build_dir('task-depends.dot', f"task-depends-{self.name}.dot")
-        self.move_in_build_dir('pn-buildlist', f"pn-buildlist-{self.name}")
+        # self.name may contain path separators and colons
+        name = re.sub(r'[^\w.-]', '_', str(self.name))
+        self.move_in_build_dir('task-depends.dot', f"task-depends-{name}.dot")
+        self.move_in_build_dir('pn-buildlist', f"pn-buildlist-{name}")
+        return (
+            f"{self.build_dir}/pn-buildlist-{name}",
+            f"{self.build_dir}/task-depends-{name}.dot"
+        )
 
     def perform_wic_partition_test(self, targets, wic_deploy_parts, **kwargs):
         self.configure(targets=targets, wic_deploy_parts=wic_deploy_parts, **kwargs)
-- 
2.53.0

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