Import code from internal repository to git

javatests/com/google/domain/registry/tldconfig/idn/IdnLabelValidatorTest.java

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+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.domain.registry.tldconfig.idn;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.domain.registry.tldconfig.idn.IdnLabelValidator.findValidIdnTableForTld;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import com.google.domain.registry.testing.InjectRule;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link IdnLabelValidator}. */
+@RunWith(JUnit4.class)
+public class IdnLabelValidatorTest {
+
+  @Rule
+  public final InjectRule inject = new InjectRule();
+
+  private void doJapaneseLanguageTests(String tld) {
+    assertThat(findValidIdnTableForTld("foo", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("12379foar", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("みんな", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("アシヨ", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("わみけ", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("みんなアシヨわみけabc", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("-みんなアシヨわみけ-", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("あいう〆", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("〆わをん", tld)).isPresent();
+
+    // This should fail since it mixes Japanese characters with extended Latin characters. These are
+    // allowed individually, but not together, since they are in separate IDN tables.
+    assertThat(findValidIdnTableForTld("みんなアシヨわみけæ", tld)).isAbsent();
+
+    // This fails because it has Cyrillic characters, which just aren't allowed in either IDN table.
+    assertThat(findValidIdnTableForTld("aЖЗ", tld)).isAbsent();
+
+    assertThat(findValidIdnTableForTld("abcdefghæ", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("happy", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("ite-love-you", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("凹凸商事", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("いすゞ製鉄", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("日々の生活", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("1000万円", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("たか--い", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("ザ・セール", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("example・例", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("カレー・ライス",   tld)).isPresent();
+    assertThat(findValidIdnTableForTld("〆切・明日", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("そのスピードで",   tld)).isPresent();
+    assertThat(findValidIdnTableForTld("visaクレジットカード", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("cdケース", tld)).isPresent();
+    assertThat(findValidIdnTableForTld("らーめん",   tld)).isPresent();
+
+    // These fail because they have a KATAKANA MIDDLE DOT or IDEOGRAPHIC_CLOSING_MARK without any
+    // Japanese non-exception characters.
+    assertThat(findValidIdnTableForTld("eco・driving", tld)).isAbsent();
+    assertThat(findValidIdnTableForTld("・ー・", tld)).isAbsent();
+    assertThat(findValidIdnTableForTld("〆〆example・・", tld)).isAbsent();
+    assertThat(findValidIdnTableForTld("abc〆", tld)).isAbsent();
+    assertThat(findValidIdnTableForTld("〆xyz", tld)).isAbsent();
+    assertThat(findValidIdnTableForTld("〆bar・", tld)).isAbsent();
+
+    // This is a Japanese label with exactly 15 characters.
+    assertThat(findValidIdnTableForTld("カレー・ライスaaaaaaaa", tld)).isPresent();
+
+    // Should fail since it has Japanese characters but is more than 15 characters long.
+    assertThat(findValidIdnTableForTld("カレー・ライスaaaaaaaaa", tld)).isAbsent();
+
+    // Should fail since it has a prolonged sound mark that is not preceded by Hiragana or Katakana
+    // characters.
+    assertThat(findValidIdnTableForTld("aー", tld)).isAbsent();
+    assertThat(findValidIdnTableForTld("-ー", tld)).isAbsent();
+    assertThat(findValidIdnTableForTld("0ー", tld)).isAbsent();
+  }
+
+  @Test
+  public void testMinna() {
+    doJapaneseLanguageTests("xn--q9jyb4c");
+  }
+
+  @Test
+  public void testFoo() {
+    doJapaneseLanguageTests("foo");
+  }
+
+  @Test
+  public void testSoy() {
+    doJapaneseLanguageTests("soy");
+  }
+
+  @Test
+  public void testOverridenTables() {
+    // Set .tld to have only the extended latin table and not japanese.
+    inject.setStaticField(
+        IdnLabelValidator.class,
+        "idnTableListsPerTld",
+        ImmutableMap.of("tld", ImmutableList.of(IdnTableEnum.EXTENDED_LATIN)));
+    assertThat(findValidIdnTableForTld("foo", "tld")).isPresent();
+    assertThat(findValidIdnTableForTld("みんな",  "tld")).isAbsent();
+  }
+}