Add the output in the exception message when Sqlcmd execution failed.

Author: GillesTourreau

src/Testing.Databases.SqlServer.SqlCmd/SqlCmdSqlServerDatabaseExtensions.cs

@@ -47,7 +47,7 @@ public static void RunScript(this SqlServerDatabase database, string fileName, S
 
                 if (exitCode != 0)
                 {
-                    throw new SqlCmdException($"Some errors has been occurred when executing the '{fileName}'. Check the {nameof(SqlCmdException.Output)} property of the exception to retrieve the output of the sqlcmd utility.", sqlCmdProcess.Output);
+                    throw new SqlCmdException($"Some errors has been occurred when executing the '{fileName}'.{Environment.NewLine}{Environment.NewLine}-- Output --{Environment.NewLine}{sqlCmdProcess.Output}", sqlCmdProcess.Output);
                 }
             }
         }

tests/Testing.Databases.SqlServer.SqlCmd.Tests/SqlCmdSqlServerExtensionsTest.cs

@@ -119,16 +119,19 @@ public void RunScript_WithErros()
                 CREATE TABLE ErrorBlabla
                 """);
 
-            server.Master.Invoking(m => m.RunScript(temporaryFile.FileName, settings))
-                .Should().ThrowExactly<SqlCmdException>()
-                .Which.Output.Should().StartWith(
+            var exception = server.Master.Invoking(m => m.RunScript(temporaryFile.FileName, settings))
+                .Should().ThrowExactly<SqlCmdException>();
+
+            exception.Which.Output.Should().StartWith(
                 """
                 GOOOOOO !
                 Changed database context to 'SqlCmdSqlServerExtensionsTest_RunScript_WithErros'.
                 Msg 102, Level 15, State 1,
                 """)
                 .And.EndWith("Incorrect syntax near 'ErrorBlabla'.");
 
+            exception.Which.Message.Should().Be($"Some errors has been occurred when executing the '{temporaryFile.FileName}'.{Environment.NewLine}{Environment.NewLine}-- Output --{Environment.NewLine}{exception.Which.Output}");
+
             var database = server.GetDatabase("SqlCmdSqlServerExtensionsTest_RunScript_WithErros");
 
             var table = database.ExecuteQuery("SELECT * FROM sys.tables");