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guc-tests's Introduction

guc-tests

This is the test suite for guc, a glTF to USD converter.

For test-specific information, please see the Graphical Test Overview.

Local setup

  1. Build and install USD v23.08 with the following flags:
    --materialx --openimageio --build-args OpenImageIO,"-DOIIO_BUILD_TOOLS=ON"
  2. Build guc in debug configuration, add it to your PATH
  3. Execute run_tests.sh using bash

Environment variables

Test execution can be influenced using following variables:

Name Description
GT_DISABLE_CONVERSION Disable glTF to USD conversion. This option reduces test execution time when debugging the MaterialX glTF PBR implementation or hdStorm.
GT_DISABLE_GRAPHICAL Disable all graphical tests
GT_DISABLE_GRAPHICAL_MTLX Disable MaterialX graphical tests
GT_DISABLE_GRAPHICAL_PREVIEW Disable UsdPreviewSurface graphical tests
GT_VERBOSE Print all executed commands

Continuous integration

Tests can be executed on the CI, via guc's GitHub Actions workflow.

Note: graphical test execution on the CI is not advised due to long execution times and rendering artifacts.

guc-tests's People

Contributors

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Stargazers

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Watchers

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Forkers

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guc-tests's Issues

Coverage improvements

Tests to cover following topics need to be added:

  • Instancing
  • Display colors
  • Negative glTF-Asset-Generator tests
  • Hard error handling (exit codes)
  • Soft error handling
    • Malformed base64
    • Missing mesh, light, camera, material
    • Invalid image signature
    • Invalid PXR_MTLX_STDLIB_SEARCH_PATHS path
    • Invalid image file path
    • Invalid accessor
  • Name generation & conflict resolution
  • Valgrind

Check log messages for errors and warnings

stderr and stdout messages should be checked for specific keywords ("error", "fail") indicating a test failure.

Similarily, warnings should be detected and treated as errors if the environment variable GT_ENABLE_WARNINGS_AS_ERRORS is set.

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