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Commit35442a2

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TST: Use placeholders for text in layout tests
1 parent662239c commit35442a2

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57 files changed

+3713
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lines changed

‎lib/matplotlib/testing/conftest.py

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@@ -125,3 +125,46 @@ def test_imshow_xarray(xr):
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xr=pytest.importorskip('xarray')
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returnxr
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@pytest.fixture
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def_text_placeholders(monkeypatch):
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frommatplotlib.patchesimportRectangle
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defpatched_get_text_metrics_with_cache(renderer,text,fontprop,ismath,dpi):
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"""
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Replace ``_get_text_metrics_with_cache`` with fixed results.
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The usual ``renderer.get_text_width_height_descent`` would depend on font
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metrics; instead the fixed results are based on font size and the length of the
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string only.
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"""
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# While get_window_extent returns pixels and font size is in points, font size
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# includes ascenders and descenders. Leaving out this factor and setting
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# descent=0 ends up with a box that is relatively close to DejaVu Sans.
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height=fontprop.get_size()
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width=len(text)*height/1.618# Golden ratio for character size.
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descent=0
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returnwidth,height,descent
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defpatched_text_draw(self,renderer):
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"""
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Replace ``Text.draw`` with a fixed bounding box Rectangle.
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The bounding box corresponds to ``Text.get_window_extent``, which ultimately
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depends on the above patched ``_get_text_metrics_with_cache``.
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"""
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ifrendererisnotNone:
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self._renderer=renderer
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ifnotself.get_visible():
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return
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ifself.get_text()=='':
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return
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bbox=self.get_window_extent()
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rect=Rectangle(bbox.p0,bbox.width,bbox.height,
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facecolor=(self.get_color(),0.5),edgecolor='none')
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rect.draw(renderer)
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monkeypatch.setattr('matplotlib.text._get_text_metrics_with_cache',
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patched_get_text_metrics_with_cache)
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monkeypatch.setattr('matplotlib.text.Text.draw',patched_text_draw)

‎lib/matplotlib/testing/conftest.pyi

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Original file line numberDiff line numberDiff line change
@@ -10,3 +10,4 @@ def mpl_test_settings(request: pytest.FixtureRequest) -> None: ...
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defpd()->ModuleType: ...
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@pytest.fixture
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defxr()->ModuleType: ...
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def_text_placeholders(monkeypatch:pytest.MonkeyPatch)->None: ...
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