Add release notes processing script and unit tests

.github/scripts/release-notes/test_process_release_notes.py

@@ -0,0 +1,95 @@
+import unittest
+import tempfile
+import os
+from process_release_notes import extract_jira_tickets, extract_pr_numbers, process_line, process_file, get_linked_issues
+
+class TestProcessReleaseNotes(unittest.TestCase):
+    def setUp(self):
+        self.test_file = tempfile.NamedTemporaryFile(delete=False)
+
+    def tearDown(self):
+        os.unlink(self.test_file.name)
+
+    def test_extract_jira_tickets(self):
+        test_cases = [
+            ("[ABC-123] Some text", ["ABC-123"]),
+            ("DEF-456: Some text", ["DEF-456"]),
+            ("GHI-789 - Some text", ["GHI-789"]),
+            ("Multiple [ABC-123] and DEF-456: tickets", ["ABC-123", "DEF-456"]),
+            ("No tickets here", []),
+            ("Mixed formats ABC-123 [DEF-456] GHI-789:", ["ABC-123", "DEF-456", "GHI-789"])
+        ]
+        for input_text, expected in test_cases:
+            with self.subTest(input_text=input_text):
+                result = extract_jira_tickets(input_text)
+                self.assertEqual(result, expected)
+
+    def test_extract_pr_numbers(self):
+        test_cases = [
+            ("PR #123 text", ["123"]),
+            ("Multiple PRs #456 and #789", ["456", "789"]),
+            ("No PR numbers", [])
+        ]
+        for input_text, expected in test_cases:
+            with self.subTest(input_text=input_text):
+                result = extract_pr_numbers(input_text)
+                self.assertEqual(result, expected)
+
+    def test_process_line(self):
+        test_cases = [
+            ("[ABC-123] BACKPORT Some text", "Some text"),
+            ("DEF-456: feat(component): Some text", "Some text"),
+            ("GHI-789 - bug(fix): Some text", "Some text"),
+            ("ci: Some text", "Some text"),
+            ("ci(workflow): Some text", "Some text"),
+            ("feat: Direct feature", "Direct feature"),
+            ("bug: Simple bugfix", "Simple bugfix"),
+            ("Normal text", "Normal text")
+        ]
+        for input_text, expected in test_cases:
+            with self.subTest(input_text=input_text):
+                result = process_line(input_text)
+                self.assertEqual(result, expected)
+
+    def test_process_file(self):
+        content = """
+### Features:
+[ABC-123] feat(comp): Feature 1 #123
+DEF-456: bug(fix): Bug fix #456
+GHI-789 - BACKPORT Some text #789
+
+### Bug Fixes:
+Another line without changes
+"""
+        with open(self.test_file.name, 'w') as f:
+            f.write(content)
+
+        jira_tickets, pr_numbers, processed_lines = process_file(self.test_file.name)
+
+        self.assertEqual(jira_tickets, ["ABC-123", "DEF-456", "GHI-789"])
+        self.assertEqual(pr_numbers, ["123", "456", "789"])
+        self.assertEqual(processed_lines, [
+            '',
+            '### Features:',
+            'Feature 1 #123',
+            'Bug fix #456',
+            'Some text #789',
+            '',
+            '### Bug Fixes:',
+            'Another line without changes'
+        ])
+
+    def test_get_linked_issues(self):
+        test_cases = [
+            ("bitwarden", "android", 4696, [4659]),
+            ("bitwarden", "android", 4809, [])
+        ]
+
+        for owner, repo, pr_id, expected_linked_issues in test_cases:
+            with self.subTest(msg=f"Testing PR #{pr_id} for {owner}/{repo}"):
+                result = get_linked_issues(owner, repo, pr_id)
+                self.assertEqual(sorted(result), sorted(expected_linked_issues))
+
+
+if __name__ == '__main__':
+    unittest.main()