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test:add cython synapses regression coverage for #1769 #1805

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06ab8a6
test:add cython synapses regression coverage for #1769
mushkanrana73 Mar 28, 2026
9d3cc38
test: remove direct test call from synapses regression test
mushkanrana73 Mar 29, 2026
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27 changes: 27 additions & 0 deletions brian2/tests/test_synapses.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3730,6 +3730,32 @@ def test_setting_from_weight_matrix():
assert all(syn.w[i, j] == weights[i, j])


def test_synapses_cython_codegen_target_runs():

old_target = prefs.codegen.target
prefs.codegen.target = "cython"

try:
start_scope()

G = NeuronGroup(
2,
"v : 1",
threshold="v > 1",
reset="v = 0",
)

S = Synapses(G, G, on_pre="v_post += 1")
S.connect(i=0, j=1)

G.v = [2, 0]
run(1 * ms)

assert_allclose(G.v[:], [0, 1])
finally:
prefs.codegen.target = old_target


if __name__ == "__main__":
SANITY_CHECK_PERMUTATION_ANALYSIS_EXAMPLE = True
# prefs.codegen.target = 'numpy'
Expand Down Expand Up @@ -3832,5 +3858,6 @@ def test_setting_from_weight_matrix():
test_synaptic_subgroups()
test_incorrect_connect_N_incoming_outgoing()
test_setting_from_weight_matrix()


print("Tests took", time.time() - start)
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