fix: recover MySQL collation migration

backend/src/test/java/com/kaidi/finance/setup/SetupApplicationIntegrationTest.java

@@ -1,6 +1,7 @@
 package com.kaidi.finance.setup;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.kaidi.setup.SetupApplication;
@@ -13,6 +14,7 @@ import java.sql.Statement;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.UUID;
+import org.flywaydb.core.Flyway;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
@@ -60,6 +62,8 @@ class SetupApplicationIntegrationTest {
 
     @Test
     void firstRunTestsDatabaseCreatesAdministratorAndLocksWizard() throws Exception {
+        seedRecoverableV068CollationFailure();
+
         ResponseEntity<JsonNode> initial = rest.getForEntity(url("/api/v1/setup/status"), JsonNode.class);
         assertThat(initial.getStatusCode()).isEqualTo(HttpStatus.OK);
         assertThat(initial.getBody().path("data").path("required").asBoolean()).isTrue();
@@ -77,7 +81,8 @@ class SetupApplicationIntegrationTest {
         assertThat(tested.getStatusCode()).isEqualTo(HttpStatus.OK);
         assertThat(tested.getBody().path("data").path("successful").asBoolean()).isTrue();
         assertThat(tested.getBody().path("data").path("schemaReady").asBoolean()).isTrue();
-        assertThat(tested.getBody().path("data").path("message").asText()).contains("完整迁移权限验证通过");
+        assertThat(tested.getBody().path("data").path("message").asText())
+            .contains("排序规则和完整迁移权限验证通过");
 
         try (Connection connection = DriverManager.getConnection(MYSQL.getJdbcUrl(), MYSQL.getUsername(),
             MYSQL.getPassword()); Statement statement = connection.createStatement()) {
@@ -92,6 +97,22 @@ class SetupApplicationIntegrationTest {
                 result.next();
                 assertThat(result.getInt(1)).isZero();
             }
+            try (ResultSet result = statement.executeQuery("""
+                SELECT default_collation_name
+                FROM information_schema.schemata
+                WHERE schema_name = DATABASE()
+                """)) {
+                result.next();
+                assertThat(result.getString(1)).isEqualTo("utf8mb4_0900_ai_ci");
+            }
+            try (ResultSet result = statement.executeQuery("""
+                SELECT COUNT(*)
+                FROM flyway_schema_history
+                WHERE success = FALSE
+                """)) {
+                result.next();
+                assertThat(result.getInt(1)).isZero();
+            }
         }
 
         Map<String, Object> complete = new LinkedHashMap<>(database);
@@ -141,6 +162,33 @@ class SetupApplicationIntegrationTest {
         assertThat(locked.getBody().path("data").path("ready").asBoolean()).isFalse();
     }
 
+    private void seedRecoverableV068CollationFailure() throws Exception {
+        try (Connection connection = DriverManager.getConnection(MYSQL.getJdbcUrl(), MYSQL.getUsername(),
+            MYSQL.getPassword()); Statement statement = connection.createStatement()) {
+            statement.execute("ALTER DATABASE `" + MYSQL.getDatabaseName()
+                + "` CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci");
+        }
+        assertThatThrownBy(() -> Flyway.configure()
+            .dataSource(MYSQL.getJdbcUrl(), MYSQL.getUsername(), MYSQL.getPassword())
+            .locations("classpath:db/migration")
+            .target("68")
+            .load()
+            .migrate())
+            .hasMessageContaining("V068__source_table_column_validation_metadata.sql");
+        try (Connection connection = DriverManager.getConnection(MYSQL.getJdbcUrl(), MYSQL.getUsername(),
+            MYSQL.getPassword()); Statement statement = connection.createStatement();
+             ResultSet result = statement.executeQuery("""
+                 SELECT COUNT(*)
+                 FROM flyway_schema_history
+                 WHERE version = '68'
+                   AND script = 'V068__source_table_column_validation_metadata.sql'
+                   AND success = FALSE
+                 """)) {
+            result.next();
+            assertThat(result.getInt(1)).isEqualTo(1);
+        }
+    }
+
     private Map<String, Object> databaseRequest(String setupCode) {
         Map<String, Object> request = new LinkedHashMap<>();
         request.put("setupCode", setupCode);