split tests into multiple files, and fixed tests to work with refactor

test/onionshare_web_test.py

@@ -0,0 +1,17 @@
+from onionshare import web
+from nose import with_setup
+
+def test_generate_slug_length():
+    "generates a 26-character slug"
+    assert len(web.slug) == 26
+
+def test_generate_slug_characters():
+    "generates a base32-encoded slug"
+
+    def is_b32(string):
+        b32_alphabet = "01234556789abcdefghijklmnopqrstuvwxyz"
+        return all(char in b32_alphabet for char in string)
+
+    assert is_b32(web.slug)
+
+