[libcamera-devel,v9,0/5] lc-compliance: Refactor using Googletest
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Nícolas F. R. A. Prado June 25, 2021, 7:39 p.m. UTC 
(We're now running lc-compliance on KernelCI, more details below)

This is a refactoring of lc-compliance using Googletest as the framework.

Patches 1 and 2 are just to simplify the cleanup path from the tests. Patch 3
adds an Environment singleton to provide access to the camera from all tests.
Patch 4 does the actual refactor. Patch 5 adds two new parameters, --list and
--filter.

lc-compliance on KernelCI
-------------------------

lc-compliance is already being run on KernelCI [1] for mt8173-elm-hana
(Chromebook), which has an USB camera. All test runs of lc-compliance so far can
be seen on the Tests tab [2] by searching for "lc-compliance". I'm currently
looking into adding Rock Pi 4 boards to the lab so that the tests can run on
those too.

[1] https://linux.kernelci.org/test/job/tip/branch/master/kernel/v5.13-rc6-239-g0b42677e2e5d/plan/lc-compliance/

[2] https://linux.kernelci.org/test/

I wrote a blog post on Collabora's blog [3] going over the process of adding
lc-compliance to KernelCI, so check it out for more details on that. At the
moment lc-compliance is being compiled from my tree [4], but as soon as this
series get merged we can easily change KernelCI to compile from upstream.

[3] https://www.collabora.com/news-and-blog/blog/2021/06/15/testing-cameras-with-lc-compliance-on-kernelci/

[4] https://gitlab.collabora.com/nfraprado/libcamera/-/tree/lcc-gtest-v5

lc-compliance Usage
-------------------

lc-compliance is built around testing a single camera (and possibly optional
secondary cameras in the future), which is passed through the -c flag. The list
of tests can be queried with:

	lc-compliance --list

By default all tests are run, but it's possible to select which tests to run by
using:

	lc-compliance -c '<camera_name>' --filter '<test_filter>'

where the test_filter is in the same format as Googletest's --gtest_filter.
Quoting its help:

  --gtest_filter=POSTIVE_PATTERNS[-NEGATIVE_PATTERNS]
      Run only the tests whose name matches one of the positive patterns but
      none of the negative patterns. '?' matches any single character; '*'
      matches any substring; ':' separates two patterns.

This is a snippet of a successful run:

	[==========] Running 120 tests from 1 test suite.
	[----------] Global test environment set-up.
	[----------] 120 tests from RolesAndRequests/FixedRequestsTest
	[ RUN      ] RolesAndRequests/FixedRequestsTest.BalancedSingleCycle/Raw_1
	[31:53:24.860985336] [271719]  INFO Camera camera.cpp:915 configuring streams: (0) 1280x720-MJPEG
	Camera needs 4 requests, can't test only 1
	[  SKIPPED ] RolesAndRequests/FixedRequestsTest.BalancedSingleCycle/Raw_1 (64 ms)

	[...]

	[ RUN      ] RolesAndRequests/FixedRequestsTest.Unbalanced/Viewfinder_89
	[31:56:18.607757616] [271719]  INFO Camera camera.cpp:915 configuring streams: (0) 1280x720-MJPEG
	[       OK ] RolesAndRequests/FixedRequestsTest.Unbalanced/Viewfinder_89 (3148 ms)
	[----------] 120 tests from RolesAndRequests/FixedRequestsTest (176896 ms total)
	
	[----------] Global test environment tear-down
	[==========] 120 tests from 1 test suite ran. (176896 ms total)
	[  PASSED  ] 96 tests.
	[  SKIPPED ] 24 tests, listed below:
	[  SKIPPED ] RolesAndRequests/FixedRequestsTest.BalancedSingleCycle/Raw_1
	[  SKIPPED ] RolesAndRequests/FixedRequestsTest.BalancedSingleCycle/Raw_2
	[  SKIPPED ] RolesAndRequests/FixedRequestsTest.BalancedSingleCycle/Raw_3
	[  SKIPPED ] RolesAndRequests/FixedRequestsTest.BalancedSingleCycle/StillCapture_1

	[...]

And how a failure looks like:

	[ RUN      ] RolesAndRequests/FixedRequestsTest.BalancedSingleCycle/Raw_5
	[31:59:59.528082413] [272962]  INFO Camera camera.cpp:915 configuring streams: (0) 1280x720-MJPEG
	../src/lc-compliance/simple_capture.cpp:117: Failure
	Expected equality of these values:
	  captureCount_
	    Which is: 5
	  captureLimit_
	    Which is: 6
	[  FAILED  ] RolesAndRequests/FixedRequestsTest.BalancedSingleCycle/Raw_5, where GetParam() = (0, 5) (317 ms)

The current complete list of tests is shown below:

	RolesAndRequests/FixedRequestsTest.
	  BalancedSingleCycle/Raw_1  # GetParam() = (0, 1)
	  BalancedSingleCycle/Raw_2  # GetParam() = (0, 2)
	  BalancedSingleCycle/Raw_3  # GetParam() = (0, 3)
	  BalancedSingleCycle/Raw_5  # GetParam() = (0, 5)
	  BalancedSingleCycle/Raw_8  # GetParam() = (0, 8)
	  BalancedSingleCycle/Raw_13  # GetParam() = (0, 13)
	  BalancedSingleCycle/Raw_21  # GetParam() = (0, 21)
	  BalancedSingleCycle/Raw_34  # GetParam() = (0, 34)
	  BalancedSingleCycle/Raw_55  # GetParam() = (0, 55)
	  BalancedSingleCycle/Raw_89  # GetParam() = (0, 89)
	  BalancedSingleCycle/StillCapture_1  # GetParam() = (1, 1)
	  BalancedSingleCycle/StillCapture_2  # GetParam() = (1, 2)
	  BalancedSingleCycle/StillCapture_3  # GetParam() = (1, 3)
	  BalancedSingleCycle/StillCapture_5  # GetParam() = (1, 5)
	  BalancedSingleCycle/StillCapture_8  # GetParam() = (1, 8)
	  BalancedSingleCycle/StillCapture_13  # GetParam() = (1, 13)
	  BalancedSingleCycle/StillCapture_21  # GetParam() = (1, 21)
	  BalancedSingleCycle/StillCapture_34  # GetParam() = (1, 34)
	  BalancedSingleCycle/StillCapture_55  # GetParam() = (1, 55)
	  BalancedSingleCycle/StillCapture_89  # GetParam() = (1, 89)
	  BalancedSingleCycle/VideoRecording_1  # GetParam() = (2, 1)
	  BalancedSingleCycle/VideoRecording_2  # GetParam() = (2, 2)
	  BalancedSingleCycle/VideoRecording_3  # GetParam() = (2, 3)
	  BalancedSingleCycle/VideoRecording_5  # GetParam() = (2, 5)
	  BalancedSingleCycle/VideoRecording_8  # GetParam() = (2, 8)
	  BalancedSingleCycle/VideoRecording_13  # GetParam() = (2, 13)
	  BalancedSingleCycle/VideoRecording_21  # GetParam() = (2, 21)
	  BalancedSingleCycle/VideoRecording_34  # GetParam() = (2, 34)
	  BalancedSingleCycle/VideoRecording_55  # GetParam() = (2, 55)
	  BalancedSingleCycle/VideoRecording_89  # GetParam() = (2, 89)
	  BalancedSingleCycle/Viewfinder_1  # GetParam() = (3, 1)
	  BalancedSingleCycle/Viewfinder_2  # GetParam() = (3, 2)
	  BalancedSingleCycle/Viewfinder_3  # GetParam() = (3, 3)
	  BalancedSingleCycle/Viewfinder_5  # GetParam() = (3, 5)
	  BalancedSingleCycle/Viewfinder_8  # GetParam() = (3, 8)
	  BalancedSingleCycle/Viewfinder_13  # GetParam() = (3, 13)
	  BalancedSingleCycle/Viewfinder_21  # GetParam() = (3, 21)
	  BalancedSingleCycle/Viewfinder_34  # GetParam() = (3, 34)
	  BalancedSingleCycle/Viewfinder_55  # GetParam() = (3, 55)
	  BalancedSingleCycle/Viewfinder_89  # GetParam() = (3, 89)
	  BalancedMultiCycle/Raw_1  # GetParam() = (0, 1)
	  BalancedMultiCycle/Raw_2  # GetParam() = (0, 2)
	  BalancedMultiCycle/Raw_3  # GetParam() = (0, 3)
	  BalancedMultiCycle/Raw_5  # GetParam() = (0, 5)
	  BalancedMultiCycle/Raw_8  # GetParam() = (0, 8)
	  BalancedMultiCycle/Raw_13  # GetParam() = (0, 13)
	  BalancedMultiCycle/Raw_21  # GetParam() = (0, 21)
	  BalancedMultiCycle/Raw_34  # GetParam() = (0, 34)
	  BalancedMultiCycle/Raw_55  # GetParam() = (0, 55)
	  BalancedMultiCycle/Raw_89  # GetParam() = (0, 89)
	  BalancedMultiCycle/StillCapture_1  # GetParam() = (1, 1)
	  BalancedMultiCycle/StillCapture_2  # GetParam() = (1, 2)
	  BalancedMultiCycle/StillCapture_3  # GetParam() = (1, 3)
	  BalancedMultiCycle/StillCapture_5  # GetParam() = (1, 5)
	  BalancedMultiCycle/StillCapture_8  # GetParam() = (1, 8)
	  BalancedMultiCycle/StillCapture_13  # GetParam() = (1, 13)
	  BalancedMultiCycle/StillCapture_21  # GetParam() = (1, 21)
	  BalancedMultiCycle/StillCapture_34  # GetParam() = (1, 34)
	  BalancedMultiCycle/StillCapture_55  # GetParam() = (1, 55)
	  BalancedMultiCycle/StillCapture_89  # GetParam() = (1, 89)
	  BalancedMultiCycle/VideoRecording_1  # GetParam() = (2, 1)
	  BalancedMultiCycle/VideoRecording_2  # GetParam() = (2, 2)
	  BalancedMultiCycle/VideoRecording_3  # GetParam() = (2, 3)
	  BalancedMultiCycle/VideoRecording_5  # GetParam() = (2, 5)
	  BalancedMultiCycle/VideoRecording_8  # GetParam() = (2, 8)
	  BalancedMultiCycle/VideoRecording_13  # GetParam() = (2, 13)
	  BalancedMultiCycle/VideoRecording_21  # GetParam() = (2, 21)
	  BalancedMultiCycle/VideoRecording_34  # GetParam() = (2, 34)
	  BalancedMultiCycle/VideoRecording_55  # GetParam() = (2, 55)
	  BalancedMultiCycle/VideoRecording_89  # GetParam() = (2, 89)
	  BalancedMultiCycle/Viewfinder_1  # GetParam() = (3, 1)
	  BalancedMultiCycle/Viewfinder_2  # GetParam() = (3, 2)
	  BalancedMultiCycle/Viewfinder_3  # GetParam() = (3, 3)
	  BalancedMultiCycle/Viewfinder_5  # GetParam() = (3, 5)
	  BalancedMultiCycle/Viewfinder_8  # GetParam() = (3, 8)
	  BalancedMultiCycle/Viewfinder_13  # GetParam() = (3, 13)
	  BalancedMultiCycle/Viewfinder_21  # GetParam() = (3, 21)
	  BalancedMultiCycle/Viewfinder_34  # GetParam() = (3, 34)
	  BalancedMultiCycle/Viewfinder_55  # GetParam() = (3, 55)
	  BalancedMultiCycle/Viewfinder_89  # GetParam() = (3, 89)
	  Unbalanced/Raw_1  # GetParam() = (0, 1)
	  Unbalanced/Raw_2  # GetParam() = (0, 2)
	  Unbalanced/Raw_3  # GetParam() = (0, 3)
	  Unbalanced/Raw_5  # GetParam() = (0, 5)
	  Unbalanced/Raw_8  # GetParam() = (0, 8)
	  Unbalanced/Raw_13  # GetParam() = (0, 13)
	  Unbalanced/Raw_21  # GetParam() = (0, 21)
	  Unbalanced/Raw_34  # GetParam() = (0, 34)
	  Unbalanced/Raw_55  # GetParam() = (0, 55)
	  Unbalanced/Raw_89  # GetParam() = (0, 89)
	  Unbalanced/StillCapture_1  # GetParam() = (1, 1)
	  Unbalanced/StillCapture_2  # GetParam() = (1, 2)
	  Unbalanced/StillCapture_3  # GetParam() = (1, 3)
	  Unbalanced/StillCapture_5  # GetParam() = (1, 5)
	  Unbalanced/StillCapture_8  # GetParam() = (1, 8)
	  Unbalanced/StillCapture_13  # GetParam() = (1, 13)
	  Unbalanced/StillCapture_21  # GetParam() = (1, 21)
	  Unbalanced/StillCapture_34  # GetParam() = (1, 34)
	  Unbalanced/StillCapture_55  # GetParam() = (1, 55)
	  Unbalanced/StillCapture_89  # GetParam() = (1, 89)
	  Unbalanced/VideoRecording_1  # GetParam() = (2, 1)
	  Unbalanced/VideoRecording_2  # GetParam() = (2, 2)
	  Unbalanced/VideoRecording_3  # GetParam() = (2, 3)
	  Unbalanced/VideoRecording_5  # GetParam() = (2, 5)
	  Unbalanced/VideoRecording_8  # GetParam() = (2, 8)
	  Unbalanced/VideoRecording_13  # GetParam() = (2, 13)
	  Unbalanced/VideoRecording_21  # GetParam() = (2, 21)
	  Unbalanced/VideoRecording_34  # GetParam() = (2, 34)
	  Unbalanced/VideoRecording_55  # GetParam() = (2, 55)
	  Unbalanced/VideoRecording_89  # GetParam() = (2, 89)
	  Unbalanced/Viewfinder_1  # GetParam() = (3, 1)
	  Unbalanced/Viewfinder_2  # GetParam() = (3, 2)
	  Unbalanced/Viewfinder_3  # GetParam() = (3, 3)
	  Unbalanced/Viewfinder_5  # GetParam() = (3, 5)
	  Unbalanced/Viewfinder_8  # GetParam() = (3, 8)
	  Unbalanced/Viewfinder_13  # GetParam() = (3, 13)
	  Unbalanced/Viewfinder_21  # GetParam() = (3, 21)
	  Unbalanced/Viewfinder_34  # GetParam() = (3, 34)
	  Unbalanced/Viewfinder_55  # GetParam() = (3, 55)
	  Unbalanced/Viewfinder_89  # GetParam() = (3, 89)

Changes in v9:
- Thanks to Jacopo:
  - Removed the Harness class, substituting methods with static helper functions
  - Added EXPECT() for the number of buffers allocated in SimpleCapture::start()
  - Changed ASSERT_FALSE() to ASSERT_EQ(..., 0) in SetUp()
  - Changed tests naming
  - Renamed single_stream.cpp to capture_test.cpp
  - Fixed some style issues
  - Added to --help that further Googletest options can be passed as environment
    variables
- Thanks to Paul:
  - Fixed compiling error on clang

v8: https://lists.libcamera.org/pipermail/libcamera-devel/2021-June/021398.html

Changes in v8:
- Thanks to Laurent:
  - Fixed lc-compliance's meson.build to disable when gtest is not installed
  - Fixed compiling errors in Clang
- Thanks to Kieran:
  - Fixed coding style issues
  - Switched from malloc/free to new/delete in gtest parameter allocation

v7: https://lists.libcamera.org/pipermail/libcamera-devel/2021-June/021253.html

Changes in v7:
- Thanks to Jacopo:
  - Fixed style issue
  - Made CameraManager a unique_ptr and passed to Environment as raw pointer
  - Moved the check for buffers allocated to the beginning of
    SimpleCapture::stop()
- Thanks to Niklas:
  - Removed intermediary filter string variable in Harness::initGtestParameters()

v6: https://lists.libcamera.org/pipermail/libcamera-devel/2021-June/021137.html

Changes in v6:
- Thanks to Niklas:
  - Made return of Environment::cameraId() be a const reference
  - Changed buildGtestParameters() into initGtestParameters() and removed the
    need for Harness::gtestArgc_ and Harness::gtestArgv_

v5: https://lists.libcamera.org/pipermail/libcamera-devel/2021-May/020759.html

Changes in v5:
- Thanks to Laurent:
  - Fixed style issues
  - Stored CameraManager and cameraId instead of Camera in Environment, and
    acquire and release the camera for each test
- Thanks to Niklas:
  - Moved buildGtestParameters() inside run()
- Thanks to Laurent & Niklas:
  - Improved Environment singleton class instantiation and destruction

v4: https://lists.libcamera.org/pipermail/libcamera-devel/2021-May/020594.html

Changes in v4:
- Removed old lc-compliance results classes
- Thanks to Niklas:
  - Added patch 3 with the environment singleton in its own files
  - Improved naming of tests
- Thanks to Jacopo:
  - Added \todo in Camera::stop()

v3: https://lists.libcamera.org/pipermail/libcamera-devel/2021-May/020382.html

Changes in v3:
- Thanks to Niklas:
  - Went back to static test registration, and created a Singleton Environment
    class to store the camera global variable
- Added patch 4 implementing list and filter parameters
- Added a nameParameters() function to give meaningful names to the test
  parameters, removing the need to register each test suite for every role

v2: https://lists.libcamera.org/pipermail/libcamera-devel/2021-May/020056.html

Changes in v2:
- Added patch 1 to make Camera::stop() idempotent as well from [5].
- Made test registration dynamic in patch 3
- Some other minor fixes

[5] https://lists.libcamera.org/pipermail/libcamera-devel/2021-April/019735.html

v1: https://lists.libcamera.org/pipermail/libcamera-devel/2021-April/019702.html

Nícolas F. R. A. Prado (5):
  libcamera: camera: Make stop() idempotent
  lc-compliance: Make SimpleCapture::stop() idempotent
  lc-compliance: Add Environment singleton
  lc-compliance: Refactor using Googletest
  lc-compliance: Add list and filter parameters

 src/lc-compliance/capture_test.cpp   | 127 ++++++++++++++++++++
 src/lc-compliance/environment.cpp    |  20 ++++
 src/lc-compliance/environment.h      |  31 +++++
 src/lc-compliance/main.cpp           | 170 +++++++++++++++++----------
 src/lc-compliance/meson.build        |   8 +-
 src/lc-compliance/results.cpp        |  75 ------------
 src/lc-compliance/results.h          |  47 --------
 src/lc-compliance/simple_capture.cpp |  95 ++++++---------
 src/lc-compliance/simple_capture.h   |   9 +-
 src/lc-compliance/single_stream.cpp  |  97 ---------------
 src/lc-compliance/tests.h            |  16 ---
 src/libcamera/camera.cpp             |  20 +++-
 12 files changed, 346 insertions(+), 369 deletions(-)
 create mode 100644 src/lc-compliance/capture_test.cpp
 create mode 100644 src/lc-compliance/environment.cpp
 create mode 100644 src/lc-compliance/environment.h
 delete mode 100644 src/lc-compliance/results.cpp
 delete mode 100644 src/lc-compliance/results.h
 delete mode 100644 src/lc-compliance/single_stream.cpp
 delete mode 100644 src/lc-compliance/tests.h

Comments

Nícolas F. R. A. Prado June 25, 2021, 8:22 p.m. UTC | #1 
Hi,

I forgot to update the list of tests in the cover letter after the rename. Here
it is:

    CaptureTests/SingleStream.
      Capture/Raw_1  # GetParam() = (0, 1)
      Capture/Raw_2  # GetParam() = (0, 2)
      Capture/Raw_3  # GetParam() = (0, 3)
      Capture/Raw_5  # GetParam() = (0, 5)
      Capture/Raw_8  # GetParam() = (0, 8)
      Capture/Raw_13  # GetParam() = (0, 13)
      Capture/Raw_21  # GetParam() = (0, 21)
      Capture/Raw_34  # GetParam() = (0, 34)
      Capture/Raw_55  # GetParam() = (0, 55)
      Capture/Raw_89  # GetParam() = (0, 89)
      Capture/StillCapture_1  # GetParam() = (1, 1)
      Capture/StillCapture_2  # GetParam() = (1, 2)
      Capture/StillCapture_3  # GetParam() = (1, 3)
      Capture/StillCapture_5  # GetParam() = (1, 5)
      Capture/StillCapture_8  # GetParam() = (1, 8)
      Capture/StillCapture_13  # GetParam() = (1, 13)
      Capture/StillCapture_21  # GetParam() = (1, 21)
      Capture/StillCapture_34  # GetParam() = (1, 34)
      Capture/StillCapture_55  # GetParam() = (1, 55)
      Capture/StillCapture_89  # GetParam() = (1, 89)
      Capture/VideoRecording_1  # GetParam() = (2, 1)
      Capture/VideoRecording_2  # GetParam() = (2, 2)
      Capture/VideoRecording_3  # GetParam() = (2, 3)
      Capture/VideoRecording_5  # GetParam() = (2, 5)
      Capture/VideoRecording_8  # GetParam() = (2, 8)
      Capture/VideoRecording_13  # GetParam() = (2, 13)
      Capture/VideoRecording_21  # GetParam() = (2, 21)
      Capture/VideoRecording_34  # GetParam() = (2, 34)
      Capture/VideoRecording_55  # GetParam() = (2, 55)
      Capture/VideoRecording_89  # GetParam() = (2, 89)
      Capture/Viewfinder_1  # GetParam() = (3, 1)
      Capture/Viewfinder_2  # GetParam() = (3, 2)
      Capture/Viewfinder_3  # GetParam() = (3, 3)
      Capture/Viewfinder_5  # GetParam() = (3, 5)
      Capture/Viewfinder_8  # GetParam() = (3, 8)
      Capture/Viewfinder_13  # GetParam() = (3, 13)
      Capture/Viewfinder_21  # GetParam() = (3, 21)
      Capture/Viewfinder_34  # GetParam() = (3, 34)
      Capture/Viewfinder_55  # GetParam() = (3, 55)
      Capture/Viewfinder_89  # GetParam() = (3, 89)
      CaptureStartStop/Raw_1  # GetParam() = (0, 1)
      CaptureStartStop/Raw_2  # GetParam() = (0, 2)
      CaptureStartStop/Raw_3  # GetParam() = (0, 3)
      CaptureStartStop/Raw_5  # GetParam() = (0, 5)
      CaptureStartStop/Raw_8  # GetParam() = (0, 8)
      CaptureStartStop/Raw_13  # GetParam() = (0, 13)
      CaptureStartStop/Raw_21  # GetParam() = (0, 21)
      CaptureStartStop/Raw_34  # GetParam() = (0, 34)
      CaptureStartStop/Raw_55  # GetParam() = (0, 55)
      CaptureStartStop/Raw_89  # GetParam() = (0, 89)
      CaptureStartStop/StillCapture_1  # GetParam() = (1, 1)
      CaptureStartStop/StillCapture_2  # GetParam() = (1, 2)
      CaptureStartStop/StillCapture_3  # GetParam() = (1, 3)
      CaptureStartStop/StillCapture_5  # GetParam() = (1, 5)
      CaptureStartStop/StillCapture_8  # GetParam() = (1, 8)
      CaptureStartStop/StillCapture_13  # GetParam() = (1, 13)
      CaptureStartStop/StillCapture_21  # GetParam() = (1, 21)
      CaptureStartStop/StillCapture_34  # GetParam() = (1, 34)
      CaptureStartStop/StillCapture_55  # GetParam() = (1, 55)
      CaptureStartStop/StillCapture_89  # GetParam() = (1, 89)
      CaptureStartStop/VideoRecording_1  # GetParam() = (2, 1)
      CaptureStartStop/VideoRecording_2  # GetParam() = (2, 2)
      CaptureStartStop/VideoRecording_3  # GetParam() = (2, 3)
      CaptureStartStop/VideoRecording_5  # GetParam() = (2, 5)
      CaptureStartStop/VideoRecording_8  # GetParam() = (2, 8)
      CaptureStartStop/VideoRecording_13  # GetParam() = (2, 13)
      CaptureStartStop/VideoRecording_21  # GetParam() = (2, 21)
      CaptureStartStop/VideoRecording_34  # GetParam() = (2, 34)
      CaptureStartStop/VideoRecording_55  # GetParam() = (2, 55)
      CaptureStartStop/VideoRecording_89  # GetParam() = (2, 89)
      CaptureStartStop/Viewfinder_1  # GetParam() = (3, 1)
      CaptureStartStop/Viewfinder_2  # GetParam() = (3, 2)
      CaptureStartStop/Viewfinder_3  # GetParam() = (3, 3)
      CaptureStartStop/Viewfinder_5  # GetParam() = (3, 5)
      CaptureStartStop/Viewfinder_8  # GetParam() = (3, 8)
      CaptureStartStop/Viewfinder_13  # GetParam() = (3, 13)
      CaptureStartStop/Viewfinder_21  # GetParam() = (3, 21)
      CaptureStartStop/Viewfinder_34  # GetParam() = (3, 34)
      CaptureStartStop/Viewfinder_55  # GetParam() = (3, 55)
      CaptureStartStop/Viewfinder_89  # GetParam() = (3, 89)
      UnbalancedStop/Raw_1  # GetParam() = (0, 1)
      UnbalancedStop/Raw_2  # GetParam() = (0, 2)
      UnbalancedStop/Raw_3  # GetParam() = (0, 3)
      UnbalancedStop/Raw_5  # GetParam() = (0, 5)
      UnbalancedStop/Raw_8  # GetParam() = (0, 8)
      UnbalancedStop/Raw_13  # GetParam() = (0, 13)
      UnbalancedStop/Raw_21  # GetParam() = (0, 21)
      UnbalancedStop/Raw_34  # GetParam() = (0, 34)
      UnbalancedStop/Raw_55  # GetParam() = (0, 55)
      UnbalancedStop/Raw_89  # GetParam() = (0, 89)
      UnbalancedStop/StillCapture_1  # GetParam() = (1, 1)
      UnbalancedStop/StillCapture_2  # GetParam() = (1, 2)
      UnbalancedStop/StillCapture_3  # GetParam() = (1, 3)
      UnbalancedStop/StillCapture_5  # GetParam() = (1, 5)
      UnbalancedStop/StillCapture_8  # GetParam() = (1, 8)
      UnbalancedStop/StillCapture_13  # GetParam() = (1, 13)
      UnbalancedStop/StillCapture_21  # GetParam() = (1, 21)
      UnbalancedStop/StillCapture_34  # GetParam() = (1, 34)
      UnbalancedStop/StillCapture_55  # GetParam() = (1, 55)
      UnbalancedStop/StillCapture_89  # GetParam() = (1, 89)
      UnbalancedStop/VideoRecording_1  # GetParam() = (2, 1)
      UnbalancedStop/VideoRecording_2  # GetParam() = (2, 2)
      UnbalancedStop/VideoRecording_3  # GetParam() = (2, 3)
      UnbalancedStop/VideoRecording_5  # GetParam() = (2, 5)
      UnbalancedStop/VideoRecording_8  # GetParam() = (2, 8)
      UnbalancedStop/VideoRecording_13  # GetParam() = (2, 13)
      UnbalancedStop/VideoRecording_21  # GetParam() = (2, 21)
      UnbalancedStop/VideoRecording_34  # GetParam() = (2, 34)
      UnbalancedStop/VideoRecording_55  # GetParam() = (2, 55)
      UnbalancedStop/VideoRecording_89  # GetParam() = (2, 89)
      UnbalancedStop/Viewfinder_1  # GetParam() = (3, 1)
      UnbalancedStop/Viewfinder_2  # GetParam() = (3, 2)
      UnbalancedStop/Viewfinder_3  # GetParam() = (3, 3)
      UnbalancedStop/Viewfinder_5  # GetParam() = (3, 5)
      UnbalancedStop/Viewfinder_8  # GetParam() = (3, 8)
      UnbalancedStop/Viewfinder_13  # GetParam() = (3, 13)
      UnbalancedStop/Viewfinder_21  # GetParam() = (3, 21)
      UnbalancedStop/Viewfinder_34  # GetParam() = (3, 34)
      UnbalancedStop/Viewfinder_55  # GetParam() = (3, 55)
      UnbalancedStop/Viewfinder_89  # GetParam() = (3, 89)

Thanks,
Nícolas