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Add test for setting a non-agg Matplotlib backend #1104

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merged 2 commits into from Mar 17, 2023
Merged

Add test for setting a non-agg Matplotlib backend #1104

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ce89607
Add test for setting a non-agg Matplotlib backend
ayshih Mar 16, 2023
bfe8f2c
Update the number of examples
ayshih Mar 17, 2023
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2 changes: 1 addition & 1 deletion sphinx_gallery/tests/test_full.py
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Expand Up @@ -30,7 +30,7 @@

# total number of plot_*.py files in tinybuild/examples + examples_rst_index
# + examples_with_rst
N_EXAMPLES = 13 + 3 + 2
N_EXAMPLES = 14 + 3 + 2
N_FAILING = 2
N_GOOD = N_EXAMPLES - N_FAILING # galleries that run w/o error
# passthroughs examples_rst_index, examples_with_rst
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24 changes: 24 additions & 0 deletions sphinx_gallery/tests/tinybuild/examples/plot_matplotlib_backend.py
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@@ -0,0 +1,24 @@
"""
Setting the Matplotlib backend
==============================
"""

# %%
# The Matplotlib backend should start as `agg`

import matplotlib
print(f"Matplotlib backend is {matplotlib.get_backend()}")
assert matplotlib.get_backend() == "agg"

# %%
# Changing the Matplotlib backend to `svg` should be possible

matplotlib.use("svg")
print(f"Matplotlib backend is {matplotlib.get_backend()}")
assert matplotlib.get_backend() == "svg"

# %%
# In a new code block, the Matplotlib backend should continue to be `svg`

print(f"Matplotlib backend is {matplotlib.get_backend()}")
assert matplotlib.get_backend() == "svg"