fix: update integration tests

Author: olavloite

pom.xml

@@ -439,6 +439,7 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
         <configuration>
+          <argLine>-Dstdout.encoding=UTF-8 -Dstderr.encoding=UTF-8</argLine>
           <forkedProcessExitTimeoutInSeconds>3</forkedProcessExitTimeoutInSeconds>
           <forkedProcessTimeoutInSeconds>3600</forkedProcessTimeoutInSeconds>
           <!--suppress UnresolvedMavenProperty -->

src/test/csharp/pgadapter_npgsql_tests/npgsql_tests/NpgsqlTest.cs

@@ -278,7 +278,7 @@ public void TestUpdateAllDataTypes()
                 new () {Value = DateTime.Parse("2022-04-02"), DbType = DbType.Date},
                 new () {Value = "test_string"},
                 new () {Value = JsonDocument.Parse("{\"key\": \"value\"}")},
-                new () {Value = "test"},
+                new () {Value = "testÄ"},
             }
         };
         var updateCount = cmd.ExecuteNonQuery();
@@ -384,7 +384,7 @@ public void TestInsertAllDataTypesReturning()
                 new () {Value = DateTime.Parse("2022-02-16T13:18:02.123456789Z").ToUniversalTime(), DbType = DbType.DateTimeOffset},
                 new () {Value = new NpgsqlInterval(14, 3, 14400000000L + 300000000L + 6789000L)},
                 new () {Value = DateTime.Parse("2022-03-29"), DbType = DbType.Date},
-                new () {Value = "test"},
+                new () {Value = "testÄ"},
                 new () {Value = JsonDocument.Parse("{\"key\":\"value\"}")},
             }
         };
@@ -871,6 +871,7 @@ public void TestBinaryCopyOut()
         using var connection = new NpgsqlConnection(ConnectionString);
         connection.Open();
 
+        Console.OutputEncoding = Encoding.UTF8;
         using (var reader =
                connection.BeginBinaryExport("COPY (select col_bigint, col_bool, col_bytea, col_float4, col_float8, col_int, col_numeric, col_timestamptz, col_interval::interval, col_date, col_varchar, col_jsonb, col_array_bigint, col_array_bool, col_array_bytea, col_array_float4, col_array_float8, col_array_int, col_array_numeric, col_array_timestamptz, col_array_interval, col_array_date, col_array_varchar, col_array_jsonb from all_types order by col_bigint) " +
                                             "TO STDOUT (FORMAT BINARY)"))
@@ -1136,6 +1137,7 @@ public void TestTextCopyOut()
         using var connection = new NpgsqlConnection(ConnectionString);
         connection.Open();
 
+        Console.OutputEncoding = Encoding.UTF8;
         using (var reader =
                connection.BeginTextExport("COPY (select * from all_types order by col_bigint) " +
                                             "TO STDOUT"))

src/test/java/com/google/cloud/spanner/pgadapter/csharp/AbstractNpgsqlMockServerTest.java

@@ -32,6 +32,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
 import java.util.Scanner;
 import org.junit.BeforeClass;
 import org.postgresql.core.Oid;
@@ -893,7 +894,8 @@ static String execute(String test, String connectionString)
 
   static String readAll(InputStream inputStream) {
     StringBuilder result = new StringBuilder();
-    try (Scanner scanner = new Scanner(new InputStreamReader(inputStream))) {
+    try (Scanner scanner =
+        new Scanner(new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
       while (scanner.hasNextLine()) {
         result.append(scanner.nextLine()).append("\n");
       }

src/test/java/com/google/cloud/spanner/pgadapter/csharp/ITNpgsqlTest.java

@@ -120,7 +120,7 @@ public void insertTestData() {
                 .set("col_date")
                 .to(Date.parseDate("2022-03-29"))
                 .set("col_varchar")
-                .to("test")
+                .to("testÄ")
                 .set("col_jsonb")
                 .to("{\"key\": \"value\"}")
                 .set("col_array_bigint")
@@ -392,7 +392,7 @@ public void testBinaryCopyOut() throws IOException, InterruptedException {
     addNullRow();
     String result = execute("TestBinaryCopyOut", createConnectionString());
     assertEqualsIgnoreControlCharacters(
-        "1\tTrue\tdGVzdA==\t3.14\t3.14\t100\t6.626\t20220216T131802123456\t14M3DT14706789000\t20220329\ttest\t{\"key\": \"value\"}\t[1, , 2]\t[True, , False]\t[Ynl0ZXMx, , Ynl0ZXMy]\t[3.14, , -99.99]\t[3.14, , -99.99]\t[-100, , -200]\t[6.626, , -3.14]\t[20220216T161802123456, , 20000101T000000]\tNULL\t[20230220, , 20000101]\t[string1, , string2]\t[{\"key\": \"value1\"}, , {\"key\": \"value2\"}]\n"
+        "1\tTrue\tdGVzdA==\t3.14\t3.14\t100\t6.626\t20220216T131802123456\t14M3DT14706789000\t20220329\ttest\u00C4\t{\"key\": \"value\"}\t[1, , 2]\t[True, , False]\t[Ynl0ZXMx, , Ynl0ZXMy]\t[3.14, , -99.99]\t[3.14, , -99.99]\t[-100, , -200]\t[6.626, , -3.14]\t[20220216T161802123456, , 20000101T000000]\tNULL\t[20230220, , 20000101]\t[string1, , string2]\t[{\"key\": \"value1\"}, , {\"key\": \"value2\"}]\n"
             + "2\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\tNULL\n"
             + "Success\n",
         result);
@@ -404,7 +404,7 @@ public void testTextCopyOut() throws IOException, InterruptedException {
     addNullRow();
     String result = execute("TestTextCopyOut", createConnectionString());
     assertEqualsIgnoreControlCharacters(
-        "1\tt\t\\\\x74657374\t3.14\t3.14\t100\t6.626\t2022-02-16 14:18:02.123456+01\tP1Y2M3DT4H5M6.789S\t2022-03-29\ttest\t{\"key\": \"value\"}\t{1,NULL,2}\t{t,NULL,f}\t{\"\\\\\\\\x627974657331\",NULL,\"\\\\\\\\x627974657332\"}\t{3.14,NULL,-99.99}\t{3.14,NULL,-99.99}\t{-100,NULL,-200}\t{6.626,NULL,-3.14}\t{\"2022-02-16 17:18:02.123456+01\",NULL,\"2000-01-01 01:00:00+01\"}\t\\N\t{\"2023-02-20\",NULL,\"2000-01-01\"}\t{\"string1\",NULL,\"string2\"}\t{\"{\\\\\"key\\\\\": \\\\\"value1\\\\\"}\",NULL,\"{\\\\\"key\\\\\": \\\\\"value2\\\\\"}\"}\n"
+        "1\tt\t\\\\x74657374\t3.14\t3.14\t100\t6.626\t2022-02-16 14:18:02.123456+01\tP1Y2M3DT4H5M6.789S\t2022-03-29\ttest\u00C4\t{\"key\": \"value\"}\t{1,NULL,2}\t{t,NULL,f}\t{\"\\\\\\\\x627974657331\",NULL,\"\\\\\\\\x627974657332\"}\t{3.14,NULL,-99.99}\t{3.14,NULL,-99.99}\t{-100,NULL,-200}\t{6.626,NULL,-3.14}\t{\"2022-02-16 17:18:02.123456+01\",NULL,\"2000-01-01 01:00:00+01\"}\t\\N\t{\"2023-02-20\",NULL,\"2000-01-01\"}\t{\"string1\",NULL,\"string2\"}\t{\"{\\\\\"key\\\\\": \\\\\"value1\\\\\"}\",NULL,\"{\\\\\"key\\\\\": \\\\\"value2\\\\\"}\"}\n"
             + "2\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\t\\N\n"
             + "Success\n",
         result);

src/test/java/com/google/cloud/spanner/pgadapter/csharp/NpgsqlMockServerTest.java

@@ -261,7 +261,7 @@ public void testUpdateAllDataTypes() throws IOException, InterruptedException {
                 .bind("p10")
                 .to(com.google.cloud.spanner.Value.pgJsonb("{\"key\":\"value\"}"))
                 .bind("p11")
-                .to("test")
+                .to("testÄ")
                 .build(),
             1L));
 
@@ -406,7 +406,7 @@ public void testInsertAllDataTypesReturning() throws IOException, InterruptedExc
                 .bind("p10")
                 .to(Date.parseDate("2022-03-29"))
                 .bind("p11")
-                .to("test")
+                .to("testÄ")
                 .bind("p12")
                 .to(com.google.cloud.spanner.Value.pgJsonb("{\"key\":\"value\"}"))
                 .build(),

src/test/java/com/google/cloud/spanner/pgadapter/golang/ITPgx5Test.java

@@ -149,7 +149,7 @@ public void insertTestData() {
                 .set("col_date")
                 .to(Date.parseDate("2022-03-29"))
                 .set("col_varchar")
-                .to("test")
+                .to("testÄ")
                 .set("col_jsonb")
                 .to("{\"key\": \"value\"}")
                 .build()));

src/test/java/com/google/cloud/spanner/pgadapter/golang/ITPgxTest.java

@@ -150,7 +150,7 @@ public void insertTestData() {
                 .set("col_date")
                 .to(Date.parseDate("2022-03-29"))
                 .set("col_varchar")
-                .to("test")
+                .to("testÄ")
                 .set("col_jsonb")
                 .to("{\"key\": \"value\"}")
                 .set("col_array_bigint")