tests: add SQL tests

Added SQL tests. Updated config.lua for creation the space for
using SQL in tests. Added the check of Tarantool version to skip SQL
tests if tarantool version < 2.0.0.

Follows up #62

Author: vr009

config.lua

@@ -40,6 +40,22 @@ box.once("init", function()
     })
     st:truncate()
 
+    local sp = box.schema.space.create('SQL_TEST', {
+        id = 515,
+        temporary = true,
+        if_not_exists = true,
+        field_count = 2,
+        format = {
+            {name = "ID", type = "unsigned"},
+            {name = "NAME", type = "string"},
+        },
+    })
+    sp:create_index('primary', {
+        type = 'tree',
+        parts = {1, 'uint'},
+        unique = true,
+        if_not_exists = true,
+    })
     --box.schema.user.grant('guest', 'read,write,execute', 'universe')
     box.schema.func.create('box.info')
     box.schema.func.create('simple_incr')
@@ -49,6 +65,7 @@ box.once("init", function()
     box.schema.user.grant('test', 'execute', 'universe')
     box.schema.user.grant('test', 'read,write', 'space', 'test')
     box.schema.user.grant('test', 'read,write', 'space', 'schematest')
+    box.schema.user.grant('test', 'read,write', 'space', 'SQL_TEST')
 end)
 
 local function simple_incr(a)

tarantool_test.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"strconv"
 	"strings"
 	"sync"
 	"testing"
@@ -691,6 +692,59 @@ func TestClient(t *testing.T) {
 	if val != 11 {
 		t.Errorf("5 + 6 == 11, but got %v", val)
 	}
+
+	// Check for skip SQL tests if tarantool version < 2.0.0
+	resp, err = conn.Eval("return box.info.version", []interface{}{})
+	if err != nil {
+		t.Errorf("Failed to Eval for checking Tarantool version")
+	}
+	ver := parseTarantoolVersion(resp.Data[0].(string))
+	if !sqlSupported(ver) {
+		return
+	}
+
+	// SQL Execute
+	// prepare map for sql bind
+	sqlBind := map[string]interface{}{
+		"id":   1,
+		"name": "test",
+	}
+	// insert data using sql query
+	resp, err = conn.Execute("INSERT INTO SQL_TEST VALUES (:id, :name);", sqlBind)
+	if err != nil {
+		t.Errorf("Failed to Execute: %s", err.Error())
+	}
+	if resp == nil {
+		t.Errorf("Response is nil after Execute")
+	}
+	if resp.Code != 0 {
+		t.Errorf("Failed to Execute: %d", resp.Code)
+	}
+
+	sqlSelectBind := map[string]interface{}{"name": "test"}
+	// select data using sql query
+	resp, err = conn.Execute("SELECT id, name FROM SQL_TEST WHERE name=:name", sqlSelectBind)
+	if err != nil {
+		t.Errorf("Failed to Execute: %s", err.Error())
+	}
+	if resp == nil {
+		t.Errorf("Response is nil after Execute")
+	}
+	if resp.Data[0] == sqlBind["id"] && resp.Data[1] == sqlBind["name"] {
+		t.Errorf("Select failed")
+	}
+}
+
+// for internal use
+func parseTarantoolVersion(ver string) string {
+	i := strings.Index(ver, "-")
+	ver = ver[:i]
+	return ver
+}
+
+func sqlSupported(ver string) bool {
+	num, _ := strconv.Atoi(string(ver[0]))
+	return num > 1
 }
 
 func TestSchema(t *testing.T) {