test_printing.py 文件源码

def test_latex_printing():
    assert latex(v[0]) == '\\mathbf{\\hat{0}}'
    assert latex(v[1]) == '\\mathbf{\\hat{i}_{N}}'
    assert latex(v[2]) == '- \\mathbf{\\hat{i}_{N}}'
    assert latex(v[5]) == ('(a)\\mathbf{\\hat{i}_{N}} + ' +
                           '(- b)\\mathbf{\\hat{j}_{N}}')
    assert latex(v[6]) == ('(a^{2} + \\mathbf{{x}_{N}})\\mathbf{\\' +
                           'hat{i}_{N}} + \\mathbf{\\hat{k}_{N}}')
    assert latex(v[8]) == ('\\mathbf{\\hat{j}_{N}} + (\\mathbf{{x}_' +
                           '{C}}^{2} - \\int f{\\left (b \\right )}\\,' +
                           ' db)\\mathbf{\\hat{k}_{N}}')
    assert latex(s) == '3 \\mathbf{{y}_{C}} \\mathbf{{x}_{N}}^{2}'
    assert latex(d[0]) == '(\\mathbf{\\hat{0}}|\\mathbf{\\hat{0}})'
    assert latex(d[4]) == ('(a)(\\mathbf{\\hat{i}_{N}}{|}\\mathbf' +
                           '{\\hat{k}_{N}})')
    assert latex(d[9]) == ('(\\mathbf{\\hat{k}_{C}}{|}\\mathbf{\\' +
                           'hat{k}_{N}}) + (\\mathbf{\\hat{i}_{N}}{|' +
                           '}\\mathbf{\\hat{k}_{N}})')
    assert latex(d[11]) == ('(a^{2} + b)(\\mathbf{\\hat{i}_{N}}{|}\\' +
                            'mathbf{\\hat{k}_{N}}) + (\\int f{\\left (' +
                            'b \\right )}\\, db)(\\mathbf{\\hat{k}_{N}' +
                            '}{|}\\mathbf{\\hat{k}_{N}})')