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package toml
import "testing"
func testFlow(t *testing.T, input string, expectedFlow []token) {
ch := lexToml(input)
for _, expected := range expectedFlow {
token := <-ch
if token != expected {
t.Log("While testing: ", input)
t.Log("compared", token, "to", expected)
t.Log(token.val, "<->", expected.val)
t.Log(token.typ, "<->", expected.typ)
t.Log(token.Line, "<->", expected.Line)
t.Log(token.Col, "<->", expected.Col)
t.FailNow()
}
}
tok, ok := <-ch
if ok {
t.Log("channel is not closed!")
t.Log(len(ch)+1, "tokens remaining:")
t.Log("token ->", tok)
for token := range ch {
t.Log("token ->", token)
}
t.FailNow()
}
}
func TestValidKeyGroup(t *testing.T) {
testFlow(t, "[hello world]", []token{
token{Position{1, 1}, tokenLeftBracket, "["},
token{Position{1, 2}, tokenKeyGroup, "hello world"},
token{Position{1, 13}, tokenRightBracket, "]"},
token{Position{1, 14}, tokenEOF, ""},
})
}
func TestUnclosedKeyGroup(t *testing.T) {
testFlow(t, "[hello world", []token{
token{Position{1, 1}, tokenLeftBracket, "["},
token{Position{1, 2}, tokenError, "unclosed key group"},
})
}
func TestComment(t *testing.T) {
testFlow(t, "# blahblah", []token{
token{Position{1, 11}, tokenEOF, ""},
})
}
func TestKeyGroupComment(t *testing.T) {
testFlow(t, "[hello world] # blahblah", []token{
token{Position{1, 1}, tokenLeftBracket, "["},
token{Position{1, 2}, tokenKeyGroup, "hello world"},
token{Position{1, 13}, tokenRightBracket, "]"},
token{Position{1, 25}, tokenEOF, ""},
})
}
func TestMultipleKeyGroupsComment(t *testing.T) {
testFlow(t, "[hello world] # blahblah\n[test]", []token{
token{Position{1, 1}, tokenLeftBracket, "["},
token{Position{1, 2}, tokenKeyGroup, "hello world"},
token{Position{1, 13}, tokenRightBracket, "]"},
token{Position{2, 1}, tokenLeftBracket, "["},
token{Position{2, 2}, tokenKeyGroup, "test"},
token{Position{2, 6}, tokenRightBracket, "]"},
token{Position{2, 7}, tokenEOF, ""},
})
}
func TestBasicKey(t *testing.T) {
testFlow(t, "hello", []token{
token{Position{1, 1}, tokenKey, "hello"},
token{Position{1, 6}, tokenEOF, ""},
})
}
func TestBasicKeyWithUnderscore(t *testing.T) {
testFlow(t, "hello_hello", []token{
token{Position{1, 1}, tokenKey, "hello_hello"},
token{Position{1, 12}, tokenEOF, ""},
})
}
func TestBasicKeyWithDash(t *testing.T) {
testFlow(t, "hello-world", []token{
token{Position{1, 1}, tokenKey, "hello-world"},
token{Position{1, 12}, tokenEOF, ""},
})
}
func TestBasicKeyWithUppercaseMix(t *testing.T) {
testFlow(t, "helloHELLOHello", []token{
token{Position{1, 1}, tokenKey, "helloHELLOHello"},
token{Position{1, 16}, tokenEOF, ""},
})
}
func TestBasicKeyWithInternationalCharacters(t *testing.T) {
testFlow(t, "héllÖ", []token{
token{Position{1, 1}, tokenKey, "héllÖ"},
token{Position{1, 6}, tokenEOF, ""},
})
}
func TestBasicKeyAndEqual(t *testing.T) {
testFlow(t, "hello =", []token{
token{Position{1, 1}, tokenKey, "hello"},
token{Position{1, 7}, tokenEqual, "="},
token{Position{1, 8}, tokenEOF, ""},
})
}
func TestKeyWithSharpAndEqual(t *testing.T) {
testFlow(t, "key#name = 5", []token{
token{Position{1, 1}, tokenError, "keys cannot contain # character"},
})
}
func TestKeyWithSymbolsAndEqual(t *testing.T) {
testFlow(t, "~!@$^&*()_+-`1234567890[]\\|/?><.,;:' = 5", []token{
token{Position{1, 1}, tokenKey, "~!@$^&*()_+-`1234567890[]\\|/?><.,;:'"},
token{Position{1, 38}, tokenEqual, "="},
token{Position{1, 40}, tokenInteger, "5"},
token{Position{1, 41}, tokenEOF, ""},
})
}
func TestKeyEqualStringEscape(t *testing.T) {
testFlow(t, `foo = "hello\""`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 8}, tokenString, "hello\""},
token{Position{1, 16}, tokenEOF, ""},
})
}
func TestKeyEqualStringUnfinished(t *testing.T) {
testFlow(t, `foo = "bar`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 8}, tokenError, "unclosed string"},
})
}
func TestKeyEqualString(t *testing.T) {
testFlow(t, `foo = "bar"`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 8}, tokenString, "bar"},
token{Position{1, 12}, tokenEOF, ""},
})
}
func TestKeyEqualTrue(t *testing.T) {
testFlow(t, "foo = true", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenTrue, "true"},
token{Position{1, 11}, tokenEOF, ""},
})
}
func TestKeyEqualFalse(t *testing.T) {
testFlow(t, "foo = false", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenFalse, "false"},
token{Position{1, 12}, tokenEOF, ""},
})
}
func TestArrayNestedString(t *testing.T) {
testFlow(t, `a = [ ["hello", "world"] ]`, []token{
token{Position{1, 1}, tokenKey, "a"},
token{Position{1, 3}, tokenEqual, "="},
token{Position{1, 5}, tokenLeftBracket, "["},
token{Position{1, 7}, tokenLeftBracket, "["},
token{Position{1, 9}, tokenString, "hello"},
token{Position{1, 15}, tokenComma, ","},
token{Position{1, 18}, tokenString, "world"},
token{Position{1, 24}, tokenRightBracket, "]"},
token{Position{1, 26}, tokenRightBracket, "]"},
token{Position{1, 27}, tokenEOF, ""},
})
}
func TestArrayNestedInts(t *testing.T) {
testFlow(t, "a = [ [42, 21], [10] ]", []token{
token{Position{1, 1}, tokenKey, "a"},
token{Position{1, 3}, tokenEqual, "="},
token{Position{1, 5}, tokenLeftBracket, "["},
token{Position{1, 7}, tokenLeftBracket, "["},
token{Position{1, 8}, tokenInteger, "42"},
token{Position{1, 10}, tokenComma, ","},
token{Position{1, 12}, tokenInteger, "21"},
token{Position{1, 14}, tokenRightBracket, "]"},
token{Position{1, 15}, tokenComma, ","},
token{Position{1, 17}, tokenLeftBracket, "["},
token{Position{1, 18}, tokenInteger, "10"},
token{Position{1, 20}, tokenRightBracket, "]"},
token{Position{1, 22}, tokenRightBracket, "]"},
token{Position{1, 23}, tokenEOF, ""},
})
}
func TestArrayInts(t *testing.T) {
testFlow(t, "a = [ 42, 21, 10, ]", []token{
token{Position{1, 1}, tokenKey, "a"},
token{Position{1, 3}, tokenEqual, "="},
token{Position{1, 5}, tokenLeftBracket, "["},
token{Position{1, 7}, tokenInteger, "42"},
token{Position{1, 9}, tokenComma, ","},
token{Position{1, 11}, tokenInteger, "21"},
token{Position{1, 13}, tokenComma, ","},
token{Position{1, 15}, tokenInteger, "10"},
token{Position{1, 17}, tokenComma, ","},
token{Position{1, 19}, tokenRightBracket, "]"},
token{Position{1, 20}, tokenEOF, ""},
})
}
func TestMultilineArrayComments(t *testing.T) {
testFlow(t, "a = [1, # wow\n2, # such items\n3, # so array\n]", []token{
token{Position{1, 1}, tokenKey, "a"},
token{Position{1, 3}, tokenEqual, "="},
token{Position{1, 5}, tokenLeftBracket, "["},
token{Position{1, 6}, tokenInteger, "1"},
token{Position{1, 7}, tokenComma, ","},
token{Position{2, 1}, tokenInteger, "2"},
token{Position{2, 2}, tokenComma, ","},
token{Position{3, 1}, tokenInteger, "3"},
token{Position{3, 2}, tokenComma, ","},
token{Position{4, 1}, tokenRightBracket, "]"},
token{Position{4, 2}, tokenEOF, ""},
})
}
func TestKeyEqualArrayBools(t *testing.T) {
testFlow(t, "foo = [true, false, true]", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenLeftBracket, "["},
token{Position{1, 8}, tokenTrue, "true"},
token{Position{1, 12}, tokenComma, ","},
token{Position{1, 14}, tokenFalse, "false"},
token{Position{1, 19}, tokenComma, ","},
token{Position{1, 21}, tokenTrue, "true"},
token{Position{1, 25}, tokenRightBracket, "]"},
token{Position{1, 26}, tokenEOF, ""},
})
}
func TestKeyEqualArrayBoolsWithComments(t *testing.T) {
testFlow(t, "foo = [true, false, true] # YEAH", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenLeftBracket, "["},
token{Position{1, 8}, tokenTrue, "true"},
token{Position{1, 12}, tokenComma, ","},
token{Position{1, 14}, tokenFalse, "false"},
token{Position{1, 19}, tokenComma, ","},
token{Position{1, 21}, tokenTrue, "true"},
token{Position{1, 25}, tokenRightBracket, "]"},
token{Position{1, 33}, tokenEOF, ""},
})
}
func TestDateRegexp(t *testing.T) {
if dateRegexp.FindString("1979-05-27T07:32:00Z") == "" {
t.Error("basic lexing")
}
if dateRegexp.FindString("1979-05-27T00:32:00-07:00") == "" {
t.Error("offset lexing")
}
if dateRegexp.FindString("1979-05-27T00:32:00.999999-07:00") == "" {
t.Error("nano precision lexing")
}
}
func TestKeyEqualDate(t *testing.T) {
testFlow(t, "foo = 1979-05-27T07:32:00Z", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenDate, "1979-05-27T07:32:00Z"},
token{Position{1, 27}, tokenEOF, ""},
})
testFlow(t, "foo = 1979-05-27T00:32:00-07:00", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenDate, "1979-05-27T00:32:00-07:00"},
token{Position{1, 32}, tokenEOF, ""},
})
testFlow(t, "foo = 1979-05-27T00:32:00.999999-07:00", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenDate, "1979-05-27T00:32:00.999999-07:00"},
token{Position{1, 39}, tokenEOF, ""},
})
}
func TestFloatEndingWithDot(t *testing.T) {
testFlow(t, "foo = 42.", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenError, "float cannot end with a dot"},
})
}
func TestFloatWithTwoDots(t *testing.T) {
testFlow(t, "foo = 4.2.", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenError, "cannot have two dots in one float"},
})
}
func TestFloatWithExponent1(t *testing.T) {
testFlow(t, "a = 5e+22", []token{
token{Position{1, 1}, tokenKey, "a"},
token{Position{1, 3}, tokenEqual, "="},
token{Position{1, 5}, tokenFloat, "5e+22"},
token{Position{1, 10}, tokenEOF, ""},
})
}
func TestFloatWithExponent2(t *testing.T) {
testFlow(t, "a = 5E+22", []token{
token{Position{1, 1}, tokenKey, "a"},
token{Position{1, 3}, tokenEqual, "="},
token{Position{1, 5}, tokenFloat, "5E+22"},
token{Position{1, 10}, tokenEOF, ""},
})
}
func TestFloatWithExponent3(t *testing.T) {
testFlow(t, "a = -5e+22", []token{
token{Position{1, 1}, tokenKey, "a"},
token{Position{1, 3}, tokenEqual, "="},
token{Position{1, 5}, tokenFloat, "-5e+22"},
token{Position{1, 11}, tokenEOF, ""},
})
}
func TestFloatWithExponent4(t *testing.T) {
testFlow(t, "a = -5e-22", []token{
token{Position{1, 1}, tokenKey, "a"},
token{Position{1, 3}, tokenEqual, "="},
token{Position{1, 5}, tokenFloat, "-5e-22"},
token{Position{1, 11}, tokenEOF, ""},
})
}
func TestFloatWithExponent5(t *testing.T) {
testFlow(t, "a = 6.626e-34", []token{
token{Position{1, 1}, tokenKey, "a"},
token{Position{1, 3}, tokenEqual, "="},
token{Position{1, 5}, tokenFloat, "6.626e-34"},
token{Position{1, 14}, tokenEOF, ""},
})
}
func TestDoubleEqualKey(t *testing.T) {
testFlow(t, "foo= = 2", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 4}, tokenEqual, "="},
token{Position{1, 5}, tokenError, "cannot have multiple equals for the same key"},
})
}
func TestInvalidEsquapeSequence(t *testing.T) {
testFlow(t, `foo = "\x"`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 8}, tokenError, "invalid escape sequence: \\x"},
})
}
func TestNestedArrays(t *testing.T) {
testFlow(t, "foo = [[[]]]", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenLeftBracket, "["},
token{Position{1, 8}, tokenLeftBracket, "["},
token{Position{1, 9}, tokenLeftBracket, "["},
token{Position{1, 10}, tokenRightBracket, "]"},
token{Position{1, 11}, tokenRightBracket, "]"},
token{Position{1, 12}, tokenRightBracket, "]"},
token{Position{1, 13}, tokenEOF, ""},
})
}
func TestKeyEqualNumber(t *testing.T) {
testFlow(t, "foo = 42", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenInteger, "42"},
token{Position{1, 9}, tokenEOF, ""},
})
testFlow(t, "foo = +42", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenInteger, "+42"},
token{Position{1, 10}, tokenEOF, ""},
})
testFlow(t, "foo = -42", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenInteger, "-42"},
token{Position{1, 10}, tokenEOF, ""},
})
testFlow(t, "foo = 4.2", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenFloat, "4.2"},
token{Position{1, 10}, tokenEOF, ""},
})
testFlow(t, "foo = +4.2", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenFloat, "+4.2"},
token{Position{1, 11}, tokenEOF, ""},
})
testFlow(t, "foo = -4.2", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenFloat, "-4.2"},
token{Position{1, 11}, tokenEOF, ""},
})
}
func TestMultiline(t *testing.T) {
testFlow(t, "foo = 42\nbar=21", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 7}, tokenInteger, "42"},
token{Position{2, 1}, tokenKey, "bar"},
token{Position{2, 4}, tokenEqual, "="},
token{Position{2, 5}, tokenInteger, "21"},
token{Position{2, 7}, tokenEOF, ""},
})
}
func TestKeyEqualStringUnicodeEscape(t *testing.T) {
testFlow(t, `foo = "hello \u2665"`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 8}, tokenString, "hello ♥"},
token{Position{1, 21}, tokenEOF, ""},
})
}
func TestLiteralString(t *testing.T) {
testFlow(t, `foo = 'C:\Users\nodejs\templates'`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 8}, tokenString, `C:\Users\nodejs\templates`},
token{Position{1, 34}, tokenEOF, ""},
})
testFlow(t, `foo = '\\ServerX\admin$\system32\'`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 8}, tokenString, `\\ServerX\admin$\system32\`},
token{Position{1, 35}, tokenEOF, ""},
})
testFlow(t, `foo = 'Tom "Dubs" Preston-Werner'`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 8}, tokenString, `Tom "Dubs" Preston-Werner`},
token{Position{1, 34}, tokenEOF, ""},
})
testFlow(t, `foo = '<\i\c*\s*>'`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 8}, tokenString, `<\i\c*\s*>`},
token{Position{1, 19}, tokenEOF, ""},
})
}
func TestMultilineLiteralString(t *testing.T) {
testFlow(t, `foo = '''hello 'literal' world'''`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 10}, tokenString, `hello 'literal' world`},
token{Position{1, 34}, tokenEOF, ""},
})
testFlow(t, "foo = '''\nhello\n'literal'\nworld'''", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{2, 1}, tokenString, "hello\n'literal'\nworld"},
token{Position{4, 9}, tokenEOF, ""},
})
}
func TestMultilineString(t *testing.T) {
testFlow(t, `foo = """hello "literal" world"""`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 10}, tokenString, `hello "literal" world`},
token{Position{1, 34}, tokenEOF, ""},
})
testFlow(t, "foo = \"\"\"\nhello\n\"literal\"\nworld\"\"\"", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{2, 1}, tokenString, "hello\n\"literal\"\nworld"},
token{Position{4, 9}, tokenEOF, ""},
})
testFlow(t, "foo = \"\"\"\\\n \\\n \\\n hello\nmultiline\nworld\"\"\"", []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 10}, tokenString, "hello\nmultiline\nworld"},
token{Position{6, 9}, tokenEOF, ""},
})
}
func TestUnicodeString(t *testing.T) {
testFlow(t, `foo = "hello ♥ world"`, []token{
token{Position{1, 1}, tokenKey, "foo"},
token{Position{1, 5}, tokenEqual, "="},
token{Position{1, 8}, tokenString, "hello ♥ world"},
token{Position{1, 22}, tokenEOF, ""},
})
}
func TestKeyGroupArray(t *testing.T) {
testFlow(t, "[[foo]]", []token{
token{Position{1, 1}, tokenDoubleLeftBracket, "[["},
token{Position{1, 3}, tokenKeyGroupArray, "foo"},
token{Position{1, 6}, tokenDoubleRightBracket, "]]"},
token{Position{1, 8}, tokenEOF, ""},
})
}
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