chore: import upstream snapshot with attribution

testing/go/session_test.go

@@ -0,0 +1,104 @@
+package _go
+
+import (
+	"testing"
+
+	"github.com/dolthub/go-mysql-server/sql"
+)
+
+func TestDiscard(t *testing.T) {
+	RunScripts(t, []ScriptTest{
+		{
+			Name: "Test discard",
+			SetUpScript: []string{
+				`CREATE temporary TABLE test (a INT)`,
+				`insert into test values (1)`,
+			},
+			Assertions: []ScriptTestAssertion{
+				{
+					Query: "select * from test",
+					Expected: []sql.Row{
+						{1},
+					},
+				},
+				{
+					Query:    "DISCARD ALL",
+					Expected: []sql.Row{},
+				},
+				{
+					Query:       "select * from test",
+					ExpectedErr: "table not found",
+				},
+			},
+		},
+		{
+			Name: "Test discard errors",
+			SetUpScript: []string{
+				`CREATE temporary TABLE test (a INT)`,
+				`insert into test values (1)`,
+			},
+			Assertions: []ScriptTestAssertion{
+				{
+					Query:       "DISCARD SEQUENCES",
+					ExpectedErr: "unimplemented",
+				},
+				{
+					Query: "select * from test",
+					Expected: []sql.Row{
+						{1},
+					},
+				},
+			},
+		},
+		{
+			Name: "Test discard in transaction",
+			SetUpScript: []string{
+				`CREATE temporary TABLE test (a INT)`,
+				`insert into test values (1)`,
+			},
+			Assertions: []ScriptTestAssertion{
+				{
+					Query: "BEGIN",
+				},
+				{
+					Query:       "DISCARD ALL",
+					ExpectedErr: "DISCARD ALL cannot run inside a transaction block",
+					Skip:        true, // not yet implemented
+				},
+			},
+		},
+	})
+}
+
+func TestRollback(t *testing.T) {
+	RunScripts(t, []ScriptTest{
+		{
+			Name: "Test rollback transaction",
+			SetUpScript: []string{
+				`BEGIN`,
+				`CREATE temporary TABLE test (a INT)`,
+				`insert into test values (1)`,
+			},
+			Assertions: []ScriptTestAssertion{
+				{
+					Query:    "select * from test",
+					Expected: []sql.Row{{1}},
+				},
+				{
+					Query:    "ROLLBACK",
+					Expected: []sql.Row{},
+				},
+				{
+					Query:       "select * from test",
+					ExpectedErr: "table not found",
+					Skip:        true, // temp table should be dropped after ROLLBACK
+				},
+				{
+					Query:    "create temp table test (b int)",
+					Expected: []sql.Row{},
+					Skip:     true, // temp table should be dropped after ROLLBACK
+				},
+			},
+		},
+	})
+}