
from brian2 import *
from brian2.codegen.templates import Templater
import pytest


@pytest.mark.codegen_independent
def test_templates():
    T1 = Templater('brian2.tests.test_templates.fake_package_1',
                   env_globals={'f': lambda: 'F1', 'g': lambda: 'G1'},
                   extension='.txt')
    T2 = T1.derive('brian2.tests.test_templates.fake_package_2',
                   env_globals={'f': lambda: 'F2'})
    ns = {}
    for i, T in enumerate([T1, T2], start=1):
        for c in ['A', 'B', 'C', 'D']:
            ns[c+str(i)] = getattr(T, c)('', '')
    # for k, v in ns.items():
    #     print k, v
    assert 'A1' in ns['A1']
    assert 'B1' in ns['A1']
    assert 'F1' in ns['A1']
    assert 'G1' in ns['A1']
    assert 'A2' in ns['A2']
    assert 'F2' in ns['A2']
    assert 'G1' in ns['A2']
    assert 'B1' not in ns['A2']
    assert 'B1' in ns['B1']
    assert 'B1' in ns['B2']
    assert 'C1' in ns['C1']
    assert 'D1' in ns['C1']
    assert 'C1' in ns['C2']
    assert 'D2' in ns['C2']
    assert 'D1' not in ns['C2']
    assert 'D1' in ns['D1']
    assert 'D2' in ns['D2']

if __name__=='__main__':
    test_templates()
