Start adding nose tests.

test/onionshare_test.py

@@ -0,0 +1,55 @@
+from onionshare import *
+
+def test_get_platform_returns_env_var():
+    "get_platform() returns ONIONSHARE_PLATFORM from the environment"
+    os.environ['ONIONSHARE_PLATFORM'] = 'TI-83+'
+    assert get_platform() == 'TI-83+'
+
+def test_get_platform_returns_platform_system():
+    """
+    get_platform() returns platform.system() when
+    ONIONSHARE_PLATFORM is not defined
+    """
+    os.environ.pop('ONIONSHARE_PLATFORM', None)
+    onionshare.platform.system = lambda: 'Sega Saturn'
+    assert get_platform() == 'Sega Saturn'
+
+def test_get_hidden_service_dir_windows_with_temp():
+    """
+    get_hidden_service_dir() uses a temporary directory from the
+    Windows environment when defined
+    """
+    onionshare.get_platform = lambda: 'Windows'
+    os.environ['Temp'] = "C:\Internet Explorer\Secrets"
+    expected_path = "C:/Internet Explorer/Secrets/onionshare_hidden_service_port"
+    assert get_hidden_service_dir('port') == expected_path
+
+def test_get_hidden_service_dir_windows_default():
+    "get_hidden_service_dir() uses C:/tmp by default on Windows"
+    onionshare.get_platform = lambda: 'Windows'
+    os.environ.pop('Temp', None)
+    expected_path = "C:/tmp/onionshare_hidden_service_port"
+    assert get_hidden_service_dir('port') == expected_path
+
+def test_get_hidden_service_dir_posix():
+    "get_hidden_service_dir() uses /tmp by default on POSIX"
+    onionshare.get_platform = lambda: 'Not Windows'
+    expected_path = "/tmp/onionshare_hidden_service_port"
+    assert get_hidden_service_dir('port') == expected_path
+
+def test_generate_slug_length():
+    "generates a 32-character slug"
+    assert len(slug) == 32
+
+def test_generate_slug_characters():
+    "generates a hex slug"
+
+    def is_hex(string):
+        hex_alphabet = "01234556789abcdef"
+        return all(char in hex_alphabet for char in string)
+
+    assert is_hex(slug)
+
+def test_starts_with_empty_strings():
+    "creates an empty strings dict by default"
+    assert strings == {}