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Direktori : /usr/lib/python3/dist-packages/sympy/printing/tests/ |
Current File : //usr/lib/python3/dist-packages/sympy/printing/tests/test_preview.py |
# -*- coding: utf-8 -*- from sympy import Symbol, Piecewise, Eq from sympy.printing.preview import preview from io import BytesIO def test_preview(): x = Symbol('x') obj = BytesIO() try: preview(x, output='png', viewer='BytesIO', outputbuffer=obj) except RuntimeError: pass # latex not installed on CI server def test_preview_unicode_symbol(): # issue 9107 a = Symbol('α') obj = BytesIO() try: preview(a, output='png', viewer='BytesIO', outputbuffer=obj) except RuntimeError: pass # latex not installed on CI server def test_preview_latex_construct_in_expr(): # see PR 9801 x = Symbol('x') pw = Piecewise((1, Eq(x, 0)), (0, True)) obj = BytesIO() try: preview(pw, output='png', viewer='BytesIO', outputbuffer=obj) except RuntimeError: pass # latex not installed on CI server