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# Copyright (c) 2010-2026, Lawrence Livermore National Security, LLC. Produced
# at the Lawrence Livermore National Laboratory. All Rights reserved. See files
# LICENSE and NOTICE for details. LLNL-CODE-443271.
#
# This file is part of the GLVis visualization tool and library. For more
# information and source code availability see https://glvis.org.
#
# GLVis is free software; you can redistribute it and/or modify it under the
# terms of the BSD-3 license. We welcome feedback and contributions, see file
# CONTRIBUTING.md for details.
"""
Code snippets to test glvis in the command-line. None of the code
contained here is currently being used.
"""
# Globals
screenshot_keys = "Sq"
screenshot_file = "GLVis_s01.png"
# Below are key commands that are passed to the -keys command-line argument for
# glvis in order to perform testing on raw mesh/grid function data (i.e. non-
# streams).
test_cases = {
"magnify": "*****",
"axes1": "a",
"axes2": "aa",
"mesh1": "m",
"mesh2": "mm",
"cut_plane": "i",
"cut_plane_rotate": "iyyyy",
"cut_plane_rotate_back": "iyyyyYYYY",
"cut_plane_transl": "izzzz",
"cut_plane_transl_back": "izzzzZZZZ",
"orient2d_1": "R",
"orient2d_2": "RR",
"orient2d_3": "RRR",
"orient2d_4": "RRRR",
"orient2d_5": "RRRRR",
"orient2d_6": "RRRRRR",
"orient3d": "Rr",
"perspective": "j",
}
# Function to test a given glvis command with a variety of key-based commands.
def test_case(exec_path, exec_args, baseline, t_group, t_name, cmd):
print(f"Testing {t_group}:{t_name}...")
full_screenshot_cmd = cmd + screenshot_keys
cmd = f"{exec_path} {exec_args} -k \"{full_screenshot_cmd}\""
print(f"Exec: {cmd}")
ret = os.system(cmd + " > /dev/null 2>&1")
if ret != 0:
print(f"[FAIL] GLVis exited with error code {ret}.")
return False
if not os.path.exists(t_group):
os.mkdir(t_group)
output_name = f"{t_group}/{t_name}.png"
ret = os.system(f"mv {screenshot_file} {output_name}")
if ret != 0:
print(f"[FAIL] Could not move output image: exit code {ret}.")
return False
if baseline:
baseline_name = f"{baseline}/test.{t_name}.png"
return compare_images(baseline_name, output_name)
else:
print("[IGNORE] No baseline exists to compare against.")
return True
def test_cmd(exec_path, exec_args, tgroup, baseline):
try:
os.remove(screenshot_file)
except OSError:
pass
all_tests_passed = True
for testname, cmds in test_cases.items():
result = test_case(exec_path, exec_args, baseline, tgroup, testname, cmds)
all_tests_passed = all_tests_passed and result
if all_tests_passed:
print("All tests passed.")
else:
sys.exit(1)
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