use junit for testing translations

build.gradle

@@ -32,15 +32,19 @@ group = project.maven_group
 
 
 dependencies {
-	//to change the versions see the gradle.properties file
+	// loom
 	minecraft "com.mojang:minecraft:${project.minecraft_version}"
 	mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
 	modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
+
+	// mods
 	modImplementation "carpet:fabric-carpet:${project.carpet_core_version}"
 	modCompileOnly "curse.maven:lithium-360438:2904300"
 
+	// libraries
 	implementation "org.yaml:snakeyaml:${project.snakeyaml_version}"
 	include "org.yaml:snakeyaml:${project.snakeyaml_version}"
+	testImplementation "junit:junit:${project.junit_version}"
 }
 
 loom {

gradle.properties

@@ -18,3 +18,5 @@ org.gradle.jvmargs=-Xmx1G
 # Dependencies
 	# https://mvnrepository.com/artifact/org.yaml/snakeyaml
 	snakeyaml_version = 1.29
+	# https://mvnrepository.com/artifact/junit/junit
+	junit_version = 4.13.2

src/main/java/carpettisaddition/translations/TISAdditionTranslations.java

@@ -13,6 +13,7 @@
 import net.minecraft.text.*;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.VisibleForTesting;
 import org.yaml.snakeyaml.Yaml;
 
 import java.io.IOException;
@@ -26,7 +27,9 @@ public class TISAdditionTranslations
     public static final String TRANSLATION_NAMESPACE = CarpetTISAdditionServer.compactName;  // "carpettisaddition"
     public static final String TRANSLATION_KEY_PREFIX = TRANSLATION_NAMESPACE + ".";  // "carpettisaddition."
     private static final String RESOURCE_DIR = String.format("assets/%s/lang", TRANSLATION_NAMESPACE);
-    private static final Map<String, Map<String, String>> translationStorage = Maps.newLinkedHashMap();
+
+    @VisibleForTesting
+    public static final Map<String, Map<String, String>> translationStorage = Maps.newLinkedHashMap();
 
     @NotNull
     public static Map<String, String> getTranslationFromResourcePath(String lang)

src/main/resources/assets/carpettisaddition/lang/zh_cn.yml

@@ -34,8 +34,8 @@ carpettisaddition:
       bad_omen_level_increased: '袭击(id: %1$s)不祥之兆等级提升为%2$s'
       center_moved: '袭击(id: %1$s)的中心点移动至%2$s'
     microTiming:
-      merged_message: 已合并额外%1$s条相同的信息
       gametime: 游戏刻
+      merged_message: 已合并额外%1$s条相同的信息
       common:
         color: 颜色
         indentation: 缩进层数

src/test/java/carpettisaddition/tests/TranslationTest.java

@@ -0,0 +1,51 @@
+package carpettisaddition.tests;
+
+import carpettisaddition.translations.TISAdditionTranslations;
+import com.google.common.collect.Maps;
+import junit.framework.TestCase;
+
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+public class TranslationTest extends TestCase
+{
+	private static final String CM_TRANSLATION_PREFIX = "carpettisaddition.carpet_extension";
+
+	public void testTranslationConsistency()
+	{
+		TISAdditionTranslations.loadTranslations();
+		Map<String, List<String>> translationKeys = Maps.newLinkedHashMap();
+		TISAdditionTranslations.translationStorage.forEach((lang, translations) -> translationKeys.put(
+				lang, translations.keySet().stream().
+						filter(key -> !key.startsWith(CM_TRANSLATION_PREFIX)).
+						collect(Collectors.toList())
+		));
+		if (translationKeys.size() >= 1)
+		{
+			String stdLang = translationKeys.keySet().iterator().next();
+			List<String> stdKeys = translationKeys.get(stdLang);
+			int stdSize = stdKeys.size();
+
+			// translation size
+			for (Map.Entry<String, List<String>> entry : translationKeys.entrySet())
+			{
+				String testLang = entry.getKey();
+				int testSize = entry.getValue().size();
+				assertEquals(String.format("STD language %s has size %d, but language %s has size %d", stdLang, stdSize, testLang, testSize), stdSize, testSize);
+			}
+
+			// translation key order
+			for (int i = 0; i < stdKeys.size(); i++)
+			{
+				String stdKey = stdKeys.get(i);
+				for (Map.Entry<String, List<String>> entry : translationKeys.entrySet())
+				{
+					String testLang = entry.getKey();
+					String testKey = entry.getValue().get(i);
+					assertEquals(String.format("Key #%d, excepted %s in %s, found %s in %s\n", i, stdKey, stdLang, testKey, testLang), stdKey, testKey);
+				}
+			}
+		}
+	}
+}