dump: add unesacpe test

Author: siddontang

dump/dump_test.go

@@ -121,6 +121,52 @@ func (h *testParseHandler) Data(schema string, table string, values []string) er
 return nil
 }
 
+func (s *parserTestSuite) TestParseFindTable(c *C) {
+tbl := []struct {
+sql string
+table string
+}{
+{"INSERT INTO `note` VALUES ('title', 'here is sql: INSERT INTO `table` VALUES (\\'some value\\')');", "note"},
+{"INSERT INTO `note` VALUES ('1', '2', '3');", "note"},
+{"INSERT INTO `a.b` VALUES ('1');", "a.b"},
+}
+
+for _, t := range tbl {
+res := valuesExp.FindAllStringSubmatch(t.sql, -1)[0][1]
+c.Assert(res, Equals, t.table)
+}
+}
+
+type parserTestSuite struct {
+}
+
+var _ = Suite(&parserTestSuite{})
+
+func (s *parserTestSuite) TestUnescape(c *C) {
+tbl := []struct {
+escaped string
+expected string
+}{
+{`\\n`, `\n`},
+{`\\t`, `\t`},
+{`\\"`, `\"`},
+{`\\'`, `\'`},
+{`\\0`, `\0`},
+{`\\b`, `\b`},
+{`\\Z`, `\Z`},
+{`\\r`, `\r`},
+{`abc`, `abc`},
+{`abc\`, `abc`},
+{`ab\c`, `abc`},
+{`\abc`, `abc`},
+}
+
+for _, t := range tbl {
+unesacped := unescapeString(t.escaped)
+c.Assert(unesacped, Equals, t.expected)
+}
+}
+
 func (s *schemaTestSuite) TestParse(c *C) {
 var buf bytes.Buffer
 
@@ -135,7 +181,7 @@ func (s *schemaTestSuite) TestParse(c *C) {
 c.Assert(err, IsNil)
 }
 
-func (s *schemaTestSuite) TestParseValue(c *C) {
+func (s *parserTestSuite) TestParseValue(c *C) {
 str := `'abc\\',''`
 values, err := parseValues(str)
 c.Assert(err, IsNil)
@@ -150,19 +196,3 @@ func (s *schemaTestSuite) TestParseValue(c *C) {
 values, err = parseValues(str)
 c.Assert(err, NotNil)
 }
-
-func (s *schemaTestSuite) TestParseFindTable(c *C) {
-tbl := []struct {
-sql string
-table string
-}{
-{"INSERT INTO `note` VALUES ('title', 'here is sql: INSERT INTO `table` VALUES (\\'some value\\')');", "note"},
-{"INSERT INTO `note` VALUES ('1', '2', '3');", "note"},
-{"INSERT INTO `a.b` VALUES ('1');", "a.b"},
-}
-
-for _, t := range tbl {
-res := valuesExp.FindAllStringSubmatch(t.sql, -1)[0][1]
-c.Assert(res, Equals, t.table)
-}
-}