X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/b90e719da595b6760b39b7cd64ee29447de2d5e8..63eacc558905aff683c0d9fa1d50b9a571f741e7:/test/python/tokenizer/test_icu_rule_loader.py

diff --git a/test/python/tokenizer/test_icu_rule_loader.py b/test/python/tokenizer/test_icu_rule_loader.py
index e22ccd4b..e89d3734 100644
--- a/test/python/tokenizer/test_icu_rule_loader.py
+++ b/test/python/tokenizer/test_icu_rule_loader.py
@@ -1,3 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# This file is part of Nominatim. (https://nominatim.org)
+#
+# Copyright (C) 2022 by the Nominatim developer community.
+# For a full list of authors see the git log.
 """
 Tests for converting a config file to ICU rules.
 """
@@ -11,18 +17,20 @@ from nominatim.errors import UsageError
 
 from icu import Transliterator
 
-@pytest.fixture
-def test_config(def_config, tmp_path):
-    project_dir = tmp_path / 'project_dir'
-    project_dir.mkdir()
-    def_config.project_dir = project_dir
+CONFIG_SECTIONS = ('normalization', 'transliteration', 'token-analysis')
+
+class TestIcuRuleLoader:
+
+    @pytest.fixture(autouse=True)
+    def init_env(self, project_env):
+        self.project_env = project_env
 
-    return def_config
 
+    def write_config(self, content):
+        (self.project_env.project_dir / 'icu_tokenizer.yaml').write_text(dedent(content))
 
-@pytest.fixture
-def cfgrules(test_config):
-    def _create_config(*variants, **kwargs):
+
+    def config_rules(self, *variants):
         content = dedent("""\
         normalization:
             - ":: NFD ()"
@@ -33,122 +41,116 @@ def cfgrules(test_config):
         transliteration:
             - "::  Latin ()"
             - "[[:Punctuation:][:Space:]]+ > ' '"
-        """)
-        content += "token-analysis:\n  - analyzer: generic\n    variants:\n     - words:\n"
-        content += '\n'.join(("         - " + s for s in variants)) + '\n'
-        for k, v in kwargs:
-            content += "    {}: {}\n".format(k, v)
-        (test_config.project_dir / 'icu_tokenizer.yaml').write_text(content)
-
-        return test_config
-
-    return _create_config
-
-
-def test_empty_rule_set(test_config):
-    (test_config.project_dir / 'icu_tokenizer.yaml').write_text(dedent("""\
-        normalization:
-        transliteration:
         token-analysis:
-          - analyzer: generic
-            variants:
-        """))
+            - analyzer: generic
+              variants:
+                  - words:
+        """)
+        content += '\n'.join(("             - " + s for s in variants)) + '\n'
+        self.write_config(content)
 
-    rules = ICURuleLoader(test_config)
-    assert rules.get_search_rules() == ''
-    assert rules.get_normalization_rules() == ''
-    assert rules.get_transliteration_rules() == ''
 
-CONFIG_SECTIONS = ('normalization', 'transliteration', 'token-analysis')
+    def get_replacements(self, *variants):
+        self.config_rules(*variants)
+        loader = ICURuleLoader(self.project_env)
+        rules = loader.analysis[None].config['replacements']
 
-@pytest.mark.parametrize("section", CONFIG_SECTIONS)
-def test_missing_section(section, test_config):
-    rule_cfg = { s: [] for s in CONFIG_SECTIONS if s != section}
-    (test_config.project_dir / 'icu_tokenizer.yaml').write_text(yaml.dump(rule_cfg))
+        return sorted((k, sorted(v)) for k,v in rules)
 
-    with pytest.raises(UsageError):
-        ICURuleLoader(test_config)
 
+    def test_empty_rule_set(self):
+        self.write_config("""\
+            normalization:
+            transliteration:
+            token-analysis:
+              - analyzer: generic
+                variants:
+            """)
 
-def test_get_search_rules(cfgrules):
-    loader = ICURuleLoader(cfgrules())
+        rules = ICURuleLoader(self.project_env)
+        assert rules.get_search_rules() == ''
+        assert rules.get_normalization_rules() == ''
+        assert rules.get_transliteration_rules() == ''
 
-    rules = loader.get_search_rules()
-    trans = Transliterator.createFromRules("test", rules)
 
-    assert trans.transliterate(" Baum straße ") == " baum straße "
-    assert trans.transliterate(" Baumstraße ") == " baumstraße "
-    assert trans.transliterate(" Baumstrasse ") == " baumstrasse "
-    assert trans.transliterate(" Baumstr ") == " baumstr "
-    assert trans.transliterate(" Baumwegstr ") == " baumwegstr "
-    assert trans.transliterate(" Αθήνα ") == " athēna "
-    assert trans.transliterate(" проспект ") == " prospekt "
+    @pytest.mark.parametrize("section", CONFIG_SECTIONS)
+    def test_missing_section(self, section):
+        rule_cfg = { s: [] for s in CONFIG_SECTIONS if s != section}
+        self.write_config(yaml.dump(rule_cfg))
 
+        with pytest.raises(UsageError):
+            ICURuleLoader(self.project_env)
 
-def test_get_normalization_rules(cfgrules):
-    loader = ICURuleLoader(cfgrules())
-    rules = loader.get_normalization_rules()
-    trans = Transliterator.createFromRules("test", rules)
 
-    assert trans.transliterate(" проспект-Prospekt ") == " проспект prospekt "
+    def test_get_search_rules(self):
+        self.config_rules()
+        loader = ICURuleLoader(self.project_env)
 
+        rules = loader.get_search_rules()
+        trans = Transliterator.createFromRules("test", rules)
 
-def test_get_transliteration_rules(cfgrules):
-    loader = ICURuleLoader(cfgrules())
-    rules = loader.get_transliteration_rules()
-    trans = Transliterator.createFromRules("test", rules)
+        assert trans.transliterate(" Baum straße ") == " baum straße "
+        assert trans.transliterate(" Baumstraße ") == " baumstraße "
+        assert trans.transliterate(" Baumstrasse ") == " baumstrasse "
+        assert trans.transliterate(" Baumstr ") == " baumstr "
+        assert trans.transliterate(" Baumwegstr ") == " baumwegstr "
+        assert trans.transliterate(" Αθήνα ") == " athēna "
+        assert trans.transliterate(" проспект ") == " prospekt "
 
-    assert trans.transliterate(" проспект-Prospekt ") == " prospekt Prospekt "
 
+    def test_get_normalization_rules(self):
+        self.config_rules()
+        loader = ICURuleLoader(self.project_env)
+        rules = loader.get_normalization_rules()
+        trans = Transliterator.createFromRules("test", rules)
 
-def test_transliteration_rules_from_file(test_config):
-    cfgpath = test_config.project_dir / ('icu_tokenizer.yaml')
-    cfgpath.write_text(dedent("""\
-        normalization:
-        transliteration:
-            - "'ax' > 'b'"
-            - !include transliteration.yaml
-        token-analysis:
-            - analyzer: generic
-              variants:
-        """))
-    transpath = test_config.project_dir / ('transliteration.yaml')
-    transpath.write_text('- "x > y"')
+        assert trans.transliterate(" проспект-Prospekt ") == " проспект prospekt "
 
-    loader = ICURuleLoader(test_config)
-    rules = loader.get_transliteration_rules()
-    trans = Transliterator.createFromRules("test", rules)
 
-    assert trans.transliterate(" axxt ") == " byt "
+    def test_get_transliteration_rules(self):
+        self.config_rules()
+        loader = ICURuleLoader(self.project_env)
+        rules = loader.get_transliteration_rules()
+        trans = Transliterator.createFromRules("test", rules)
 
+        assert trans.transliterate(" проспект-Prospekt ") == " prospekt Prospekt "
 
-def test_search_rules(cfgrules):
-    config = cfgrules('~street => s,st', 'master => mstr')
-    proc = ICURuleLoader(config).make_token_analysis()
 
-    assert proc.search.transliterate('Master Street').strip() == 'master street'
-    assert proc.search.transliterate('Earnes St').strip() == 'earnes st'
-    assert proc.search.transliterate('Nostreet').strip() == 'nostreet'
+    def test_transliteration_rules_from_file(self):
+        self.write_config("""\
+            normalization:
+            transliteration:
+                - "'ax' > 'b'"
+                - !include transliteration.yaml
+            token-analysis:
+                - analyzer: generic
+                  variants:
+            """)
+        transpath = self.project_env.project_dir / ('transliteration.yaml')
+        transpath.write_text('- "x > y"')
 
+        loader = ICURuleLoader(self.project_env)
+        rules = loader.get_transliteration_rules()
+        trans = Transliterator.createFromRules("test", rules)
 
-class TestGetReplacements:
+        assert trans.transliterate(" axxt ") == " byt "
 
-    @pytest.fixture(autouse=True)
-    def setup_cfg(self, cfgrules):
-        self.cfgrules = cfgrules
 
-    def get_replacements(self, *variants):
-        loader = ICURuleLoader(self.cfgrules(*variants))
-        rules = loader.analysis[None].config['replacements']
+    def test_search_rules(self):
+        self.config_rules('~street => s,st', 'master => mstr')
+        proc = ICURuleLoader(self.project_env).make_token_analysis()
 
-        return sorted((k, sorted(v)) for k,v in rules)
+        assert proc.search.transliterate('Master Street').strip() == 'master street'
+        assert proc.search.transliterate('Earnes St').strip() == 'earnes st'
+        assert proc.search.transliterate('Nostreet').strip() == 'nostreet'
 
 
     @pytest.mark.parametrize("variant", ['foo > bar', 'foo -> bar -> bar',
                                          '~foo~ -> bar', 'fo~ o -> bar'])
     def test_invalid_variant_description(self, variant):
+        self.config_rules(variant)
         with pytest.raises(UsageError):
-            ICURuleLoader(self.cfgrules(variant))
+            ICURuleLoader(self.project_env)
 
     def test_add_full(self):
         repl = self.get_replacements("foo -> bar")