I18n for the database schema

[zzz-pokedex.git] / pokedex / tests / test_schema.py

diff --git a/pokedex/tests/test_schema.py b/pokedex/tests/test_schema.py
new file mode 100644 (file)
index 0000000..5a03777
--- /dev/null
+++ b/pokedex/tests/test_schema.py
@@ -0,0 +1,71 @@
+# encoding: utf8
+from nose.tools import *
+import unittest
+from sqlalchemy.orm import class_mapper
+
+from pokedex.db import tables, markdown
+
+def test_variable_names():
+    """We want pokedex.db.tables to export tables using the class name"""
+    for varname in dir(tables):
+        if not varname[0].isupper():
+            continue
+        table = getattr(tables, varname)
+        try:
+            if not issubclass(table, tables.TableBase) or table is tables.TableBase:
+                continue
+        except TypeError:
+            continue
+        classname = table.__name__
+        if classname and varname[0].isupper():
+            assert varname == classname, '%s refers to %s' % (varname, classname)
+    for table in tables.all_tables():
+        assert getattr(tables, table.__name__) is table
+
+def test_texts():
+    """Check DB schema for integrity of text columns & translations.
+
+    Mostly protects against copy/paste oversights and rebase hiccups.
+    If there's a reason to relax the tests, do it
+    """
+    for table in sorted(tables.all_tables(), key=lambda t: t.__name__):
+        if issubclass(table, tables.LanguageSpecific):
+            good_formats = 'markdown plaintext gametext'.split()
+            assert_text = '%s is language-specific'
+        else:
+            good_formats = 'identifier latex'.split()
+            assert_text = '%s is not language-specific'
+        mapper = class_mapper(table)
+        for column in sorted(mapper.c, key=lambda c: c.name):
+            format = column.info.get('format', None)
+            if format is not None:
+                if format not in good_formats:
+                    raise AssertionError(assert_text % column)
+                is_markdown = isinstance(column.type, markdown.MarkdownColumn)
+                if is_markdown != (format == 'markdown'):
+                    raise AssertionError('%s: markdown format/column type mismatch' % column)
+                if (format != 'identifier') and (column.name == 'identifier'):
+                    raise AssertionError('%s: identifier column name/type mismatch' % column)
+                if column.info.get('official', None) and format not in 'gametext plaintext':
+                    raise AssertionError('%s: official text with bad format' % column)
+            else:
+                if isinstance(column.type, (markdown.MarkdownColumn, tables.Unicode)):
+                    raise AssertionError('%s: text column without format' % column)
+            if column.name == 'name' and format != 'plaintext':
+                raise AssertionError('%s: non-plaintext name' % column)
+            # No mention of English in the description
+            assert 'English' not in column.info['description'], column
+
+def test_identifiers_with_names():
+    """Test that named tables have identifiers, and non-named tables don't
+
+    ...have either names or identifiers.
+    """
+    for table in sorted(tables.all_tables(), key=lambda t: t.__name__):
+        if issubclass(table, tables.Named):
+            assert issubclass(table, tables.OfficiallyNamed) or issubclass(table, tables.UnofficiallyNamed), table
+            assert hasattr(table, 'identifier'), table
+        else:
+            assert not hasattr(table, 'identifier'), table
+            if not issubclass(table, tables.LanguageSpecific):
+                assert not hasattr(table, 'name'), table