Some testing logic.

Author: Lukasa

test/test_osx.py

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+# -*- coding: utf-8 -*-
+"""
+Tests of the OS X-specific functionality in certitude. These tests will only
+run on the OS X platform, and will otherwise be skipped.
+"""
+import os.path
+import platform
+
+import pytest
+
+import certitude
+import certitude.osx
+
+
+is_osx = (platform.system() == 'Darwin')
+
+
+@pytest.mark.skipif(not is_osx, reason="OS X tests skipped on this platform")
+class TestOSX(object):
+    def test_os_x_certificate_string_contains_pem_files(self):
+        """
+        Calling the OS X-specific certificate_string function gives PEM files.
+        """
+        data = certitude.osx.certificate_string()
+        data.rstrip()
+        assert data.startswith(b'-----BEGIN CERTIFICATE-----')
+        assert data.endswith(b'-----END CERTIFICATE-----')
+
+    def test_certificate_string_matches_osx_cert_string(self):
+        """
+        The OS X-specific certificate_string function gives the same output as
+        the "general" one.
+        """
+        specific = certitude.osx.certificate_string()
+        general = certitude.certificate_string()
+
+        assert specific == general
+
+    def test_certificate_file_contains_certificate_string(self):
+        """
+        Confirm the certificate file written out is the same as the certificate
+        string generated.
+        """
+        with certitude.CertificateFile() as f:
+            file_data = f.read()
+
+        certstring = certitude.certificate_string()
+        assert certstring == file_data
+
+    def test_certificate_file_is_deleted_after_context_manager(self):
+        """
+        The certificate file gets deleted after the context manager is exited.
+        """
+        with certitude.CertificateFile() as f:
+            path = f.path
+            assert os.path.exists(path)
+
+        assert not os.path.exists(path)
+
+    def test_certificate_file_is_deleted_after_destroy(self):
+        """
+        The certificate file gets deleted after the destroy method is called.
+        """
+        f = certitude.CertificateFile()
+        f.build()
+        path = f.path
+        assert os.path.exists(path)
+
+        f.destroy()
+        assert not os.path.exists(path)
+
+    def test_cannot_read_destroyed_tempfile(self):
+        """
+        Destroying a tempfile prevents reading from it.
+        """
+        with certitude.CertificateFile() as f:
+            assert len(f.read(1)) == 1
+
+        with pytest.raises(AttributeError):
+            f.read()

test_requirements.txt

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+pytest==2.8.5
+pytest-cov==2.2.0
+pytest-xdist==1.13.1
+hypothesis==1.16.0

tox.ini

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+[tox]
+envlist = py27, py33, py34, py35, pypy, lint
+
+[testenv]
+deps= -r{toxinidir}/test_requirements.txt
+commands= py.test {toxinidir}/test/
+
+[testenv:lint]
+basepython=python3.4
+deps = flake8==2.5.1
+commands = flake8 --max-complexity 10 src/certitude test