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package toolbox_test
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/viant/toolbox"
)
func TestNewTokenizer(t *testing.T) {
tokenizer := toolbox.NewTokenizer("Z Abcf",
0,
-1,
map[int]toolbox.Matcher{
101: toolbox.KeywordMatcher{"Abc", true},
201: toolbox.CharactersMatcher{Chars: " \n\t"},
102: toolbox.LiteralMatcher{},
},
)
assert.Equal(t, 102, tokenizer.Nexts(101, 201, 102).Token)
assert.Equal(t, 201, tokenizer.Nexts(101, 201, 102).Token)
assert.Equal(t, 101, tokenizer.Nexts(101, 201, 102).Token)
assert.Equal(t, 102, tokenizer.Nexts(101, 201, 102).Token)
}
func Test_NewCustomIdMatcher(t *testing.T) {
{
matcher := toolbox.NewCustomIdMatcher("$")
assert.Equal(t, 5, matcher.Match("Z $Abcf", 2))
assert.Equal(t, 1, matcher.Match("Z Abcf", 0))
assert.Equal(t, 0, matcher.Match("### ##", 0))
}
matcher := toolbox.NewCustomIdMatcher("_", "(", ")")
assert.Equal(t, 1, matcher.Match(" v_sc()", 6))
}
func Test_NewSequenceMatcher(t *testing.T) {
matcher := toolbox.NewSequenceMatcher("&&", "||")
assert.Equal(t, 2, matcher.Match("123", 1))
assert.Equal(t, 4, matcher.Match("123 && 123", 0))
}
func Test_NewSingleSequenceMatcher(t *testing.T) {
matcher := toolbox.NewSequenceMatcher("&")
assert.Equal(t, 0, matcher.Match("123", 1))
assert.Equal(t, 5, matcher.Match("12345&3", 0))
}
func TestMatchKeyword(t *testing.T) {
matcher := toolbox.KeywordMatcher{"Abc", true}
assert.Equal(t, 3, matcher.Match("Z Abcf", 2))
assert.Equal(t, 0, matcher.Match("Z Abcf", 0))
assert.Equal(t, 3, matcher.Match("Z Abc", 2))
}
func TestMatchWhitespace(t *testing.T) {
matcher := toolbox.CharactersMatcher{Chars: " \n\t"}
assert.Equal(t, 0, matcher.Match("1, 2, 3", 0))
assert.Equal(t, 2, matcher.Match("1, \t2, 3", 2))
}
func TestLiteralMatcher(t *testing.T) {
matcher := toolbox.LiteralMatcher{}
assert.Equal(t, 0, matcher.Match(" abc ", 0))
assert.Equal(t, 4, matcher.Match(" a1bc", 1))
}
func TestEOFMatcher(t *testing.T) {
matcher := toolbox.EOFMatcher{}
assert.Equal(t, 0, matcher.Match(" abc ", 0))
assert.Equal(t, 1, matcher.Match(" a1bc", 4))
}
func TestKeywordsMatcher(t *testing.T) {
{
matcher := toolbox.KeywordsMatcher{Keywords: []string{"ab", "xy"},
CaseSensitive: false}
assert.Equal(t, 2, matcher.Match(" abcde", 1))
assert.Equal(t, 0, matcher.Match(" abcde", 0))
}
{
matcher := toolbox.KeywordsMatcher{Keywords: []string{"AB", "xy"},
CaseSensitive: true}
assert.Equal(t, 2, matcher.Match(" ABcde", 1))
assert.Equal(t, 0, matcher.Match("abcde", 0))
}
}
func TestBodyMatcher(t *testing.T) {
{
matcher := toolbox.BodyMatcher{Begin: "{", End: "}"}
var text = " { { \n} } "
pos := matcher.Match(text, 1)
assert.Equal(t, 16, pos)
}
{
matcher := toolbox.BodyMatcher{Begin: "begin", End: "end"}
var text = " begin { \n} end "
pos := matcher.Match(text, 1)
assert.Equal(t, 20, pos)
}
}
func TestBlockMatcher(t *testing.T) {
{
matcher := toolbox.NewBlockMatcher(false, "begin", "end;", []string{"CASE"}, []string{"END IF"})
text := ` TRIGGER users_before_insert
BEFORE INSERT ON users
FOR EACH ROW
BEGIN
SELECT users_seq.NEXTVAL
INTO :new.id
FROM dual;
END;
INSERT INTO DUMMY(ID, NAME) VALUES(2, 'xyz');
`
matcher.Match(text, 65)
}
{
matcher := toolbox.BlockMatcher{
CaseSensitive: false,
SequenceStart: "begin",
SequenceTerminator: "end",
NestedSequences: []string{"case"},
IgnoredTerminators: []string{"end if"},
}
text := "\n\n" +
"BEgin\n" +
"IF get_version()=20\n" +
"select *\n" +
"from table\n" +
"where color = case inventory when 1 then 'brown' when 2 then 'red' END;\n" +
"END IF\n" +
"END;"
pos := matcher.Match(text, 2)
assert.Equal(t, 128, pos)
}
{
matcher := toolbox.BlockMatcher{
CaseSensitive: false,
SequenceStart: "begin",
SequenceTerminator: "end;",
NestedSequences: []string{"case"},
}
text := "bEgIn case 123deabc then 22 End; End;"
pos := matcher.Match(text, 0)
assert.Equal(t, 37, pos)
matcher.CaseSensitive = true
pos = matcher.Match(text, 0)
assert.Equal(t, 0, pos)
matcher.SequenceTerminator = "End;"
matcher.SequenceStart = "bEgIn"
pos = matcher.Match(text, 0)
assert.Equal(t, 37, pos)
}
}
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