Added/Updated tests\bugs\gh_7886_test.py: Checked on 6.0.0.157 (intermediate snapshot)

tests/bugs/gh_7886_test.py

@@ -0,0 +1,50 @@
+#coding:utf-8
+
+"""
+ID:          issue-7886
+ISSUE:       https://github.com/FirebirdSQL/firebird/issues/7886
+TITLE:       ISQL sets return code to 1 for script that is called via IN command even if this script completes OK. Problem caused by presence of tail comments in the callee
+DESCRIPTION:
+NOTES:
+    Confirmed bug on 6.0.0.154
+    Checked on 6.0.0.157 (intermediate snapshot), 5.0.0.1280, 4.0.1.2519
+"""
+
+from pathlib import Path
+import locale
+import pytest
+from firebird.qa import *
+
+db = db_factory()
+act = python_act('db')
+
+tmp_worker = temp_file('tmp.core_4578.worker.sql')
+tmp_caller = temp_file('tmp.core_4578.caller.sql')
+
+@pytest.mark.version('>=3.0')
+def test_1(act: Action, tmp_worker: Path, tmp_caller: Path):
+
+    worker_sql = """
+        set term ^;
+        execute block as
+        begin
+            -- nop --
+        end ^
+        set term ;^
+        -- this is final comment
+    """
+
+    caller_sql = f"""
+        set list on;
+        commit;
+        in "{str(tmp_worker)}";
+    """
+    tmp_worker.write_text(worker_sql)
+    tmp_caller.write_text(caller_sql)
+    
+    expected_stdout = """
+    """
+
+    act.isql(switches=['-q'], input_file = str(tmp_caller), io_enc = locale.getpreferredencoding(), combine_output = True)
+    assert act.return_code == 0, f'### BUG ### act.return_code = {act.return_code}'
+