[1/2] oeqa/selftest: introduce gitarchive tests

diff --git a/meta/lib/oeqa/selftest/cases/gitarchivetests.py b/meta/lib/oeqa/selftest/cases/gitarchivetests.py
new file mode 100644
index 000000000000..4f7acd3311d5
--- /dev/null
+++ b/meta/lib/oeqa/selftest/cases/gitarchivetests.py
@@ -0,0 +1,96 @@ 
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+import os
+import sys
+basepath = os.path.abspath(os.path.dirname(__file__) + '/../../../../../')
+lib_path = basepath + '/scripts/lib'
+sys.path = sys.path + [lib_path]
+import oeqa.utils.gitarchive as ga
+import tempfile
+import shutil
+import scriptutils
+from oeqa.selftest.case import OESelftestTestCase
+
+logger = scriptutils.logger_create('resulttool')
+
+def create_fake_repository(commit, tag_list=[]):
+    """ Create a testing git directory
+
+    Initialize a simple git repository with one initial commit, and as many
+    tags on this commit as listed in tag_list
+    Returns both git directory path and gitarchive git object
+    If commit is true, fake data will be commited, otherwise it will stay in staging area
+    If commit is true and tag_lsit is non empty, all tags in tag_list will be
+    created on the initial commit
+    Fake remote will also be added to make git ls-remote work
+    """
+    fake_data_file = "fake_data.txt"
+    tempdir = tempfile.mkdtemp(prefix='fake_results.')
+    repo = ga.init_git_repo(tempdir, False, False, logger)
+    repo.run_cmd(["remote", "add", "origin", "."])
+    with open(os.path.join(tempdir, fake_data_file), "w") as fake_data:
+        fake_data.write("Fake data")
+    if commit:
+        repo.run_cmd(["add", fake_data_file])
+        repo.run_cmd(["commit", "-m", "\"Add fake data\""])
+        for tag in tag_list:
+            repo.run_cmd(["tag", tag])
+    
+    return tempdir, repo
+
+def delete_fake_repository(path):
+    shutil.rmtree(path)
+
+def tag_exists(git_obj, target_tag):
+    for tag in git_obj.run_cmd(["tag"]).splitlines():
+        if target_tag == tag:
+            return True
+    return False
+
+class GitArchiveTests(OESelftestTestCase):
+    TEST_BRANCH="main"
+    TEST_COMMIT="0f7d5df"
+    TEST_COMMIT_COUNT="42"
+
+    def test_create_first_test_tag(self):
+        path, git_obj = create_fake_repository(False)
+        keywords = {'commit': self.TEST_COMMIT, 'branch': self.TEST_BRANCH, "commit_count": self.TEST_COMMIT_COUNT}
+        target_tag = f"{self.TEST_BRANCH}/{self.TEST_COMMIT_COUNT}-g{self.TEST_COMMIT}/0"
+
+        ga.gitarchive(path, path, True, False,
+                              "Results of {branch}:{commit}", "branch: {branch}\ncommit: {commit}", "{branch}",
+                              False, "{branch}/{commit_count}-g{commit}/{tag_number}",
+                              'Test run #{tag_number} of {branch}:{commit}', '',
+                              [], [], False, keywords, logger)
+        self.assertTrue(tag_exists(git_obj, target_tag), msg=f"Tag {target_tag} has not been created")
+        delete_fake_repository(path)
+
+    def test_create_second_test_tag(self):
+        first_tag = f"{self.TEST_BRANCH}/{self.TEST_COMMIT_COUNT}-g{self.TEST_COMMIT}/0"
+        second_tag = f"{self.TEST_BRANCH}/{self.TEST_COMMIT_COUNT}-g{self.TEST_COMMIT}/1"
+        keywords = {'commit': self.TEST_COMMIT, 'branch': self.TEST_BRANCH, "commit_count": self.TEST_COMMIT_COUNT}
+
+        path, git_obj = create_fake_repository(True, [first_tag])
+        ga.gitarchive(path, path, True, False,
+                              "Results of {branch}:{commit}", "branch: {branch}\ncommit: {commit}", "{branch}",
+                              False, "{branch}/{commit_count}-g{commit}/{tag_number}",
+                              'Test run #{tag_number} of {branch}:{commit}', '',
+                              [], [], False, keywords, logger)
+        self.assertTrue(tag_exists(git_obj, second_tag), msg=f"Second tag {second_tag} has not been created")
+        delete_fake_repository(path)
+
+    def test_get_revs_on_branch(self):
+        fake_tags_list=["main/10-g0f7d5df/0", "main/10-g0f7d5df/1", "foo/20-g2468f5d/0"]
+        tag_name = "{branch}/{commit_number}-g{commit}/{tag_number}"
+
+        path, git_obj = create_fake_repository(True, fake_tags_list)
+        revs = ga.get_test_revs(logger, git_obj, tag_name, branch="main")
+        self.assertEqual(len(revs), 1)
+        self.assertEqual(revs[0].commit, "0f7d5df")
+        self.assertEqual(len(revs[0].tags), 2)
+        self.assertEqual(revs[0].tags, ['main/10-g0f7d5df/0', 'main/10-g0f7d5df/1'])
+        delete_fake_repository(path)