🐛 Match EPI fmaps

[shnizzedy]

Fixes

Related to #2225 by @shnizzedy
Related to #2227 by @shnizzedy

Description

• Decodes bytestring from fmap metadata

  C-PAC/CPAC/utils/datasource.py

  Lines 508 to 510 in 81e8eaf

  	epi_pedir: str | bytes = scan_params["PhaseEncodingDirection"]
  	if isinstance(epi_pedir, bytes):
  	epi_pedir = epi_pedir.decode("utf-8")

• Refactors existing test
• Adds test with bytestring metadata

Technical details

This PR is based on the #2230 branch and includes the changes from #2246.

Tests

C-PAC/CPAC/utils/tests/test_datasource.py

Lines 340 to 371 in 81e8eaf

	@pytest.mark.parametrize("generate", [True, False])
	def test_match_epi_fmaps(generate: bool, tmp_path: Path) -> None:
	"""Test `~CPAC.utils.datasource.match_epi_fmaps`."""
	wf, data = match_epi_fmaps_inputs(generate, tmp_path)
	match_fmaps = pe.Node(
	Function(
	input_names=[
	"bold_pedir",
	"epi_fmap_one",
	"epi_fmap_params_one",
	"epi_fmap_two",
	"epi_fmap_params_two",
	],
	output_names=["opposite_pe_epi", "same_pe_epi"],
	function=match_epi_fmaps,
	as_module=True,
	),
	name="match_epi_fmaps",
	)
	match_fmaps.inputs.bold_pedir = data.bold_pedir
	match_fmaps.inputs.epi_fmap_one = data.epi_fmaps[0][0]
	match_fmaps.inputs.epi_fmap_params_one = data.epi_fmaps[0][1]
	match_fmaps.inputs.epi_fmap_two = data.epi_fmaps[1][0]
	match_fmaps.inputs.epi_fmap_params_two = data.epi_fmaps[1][1]
	wf.add_nodes([match_fmaps])
	graph: DiGraph = wf.run()
	result = list(graph.nodes)[-1].run()
	assert Path(result.outputs.opposite_pe_epi).exists()
	assert Path(result.outputs.same_pe_epi).exists()

Checklist

• My pull request has a descriptive title (not a vague title like Update index.md).
• My pull request targets the develop branch of the repository.
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added tests for the changes I made (if applicable).
• I updated the changelog.
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no visible errors.

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[codecov]

Codecov Report

❌ Patch coverage is 89.41176% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 29.1%. Comparing base (7c1275c) to head (d056365).
⚠️ Report is 12 commits behind head on develop.

Files with missing lines	Patch %	Lines
CPAC/utils/datasource.py	53.8%	4 Missing and 2 partials ⚠️
CPAC/utils/test_resources.py	83.3%	2 Missing ⚠️
...PAC/distortion_correction/distortion_correction.py	50.0%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           develop   #2247     +/-   ##
=========================================
+ Coverage     28.8%   29.1%   +0.3%     
=========================================
  Files          231     231             
  Lines        26219   26255     +36     
  Branches      4122    4129      +7     
=========================================
+ Hits          7538    7632     +94     
+ Misses       18028   17964     -64     
- Partials       653     659      +6     

Files with missing lines	Coverage Δ
CPAC/utils/tests/test_datasource.py	100.0% <100.0%> (+74.2%)	⬆️
...PAC/distortion_correction/distortion_correction.py	7.5% <50.0%> (+<0.1%)	⬆️
CPAC/utils/test_resources.py	69.7% <83.3%> (+64.4%)	⬆️
CPAC/utils/datasource.py	30.3% <53.8%> (+2.9%)	⬆️

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