200 lines
4.5 KiB
Go
200 lines
4.5 KiB
Go
package scanner
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import (
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"bytes"
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"fmt"
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"testing"
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"github.com/fatih/hcl/token"
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)
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var f100 = "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
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type tokenPair struct {
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tok token.Token
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text string
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}
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func testTokenList(t *testing.T, tokenList []tokenPair) {
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// create artifical source code
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buf := new(bytes.Buffer)
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for _, ident := range tokenList {
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fmt.Fprintf(buf, "%s\n", ident.text)
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}
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s, err := NewScanner(buf)
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if err != nil {
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t.Fatal(err)
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}
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for _, ident := range tokenList {
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tok := s.Scan()
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if tok != ident.tok {
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t.Errorf("tok = %q want %q for %q\n", tok, ident.tok, ident.text)
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}
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if s.TokenText() != ident.text {
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t.Errorf("text = %q want %q", s.TokenText(), ident.text)
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}
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}
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}
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func TestComment(t *testing.T) {
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var tokenList = []tokenPair{
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{token.COMMENT, "//"},
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{token.COMMENT, "////"},
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{token.COMMENT, "// comment"},
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{token.COMMENT, "// /* comment */"},
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{token.COMMENT, "// // comment //"},
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{token.COMMENT, "//" + f100},
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{token.COMMENT, "#"},
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{token.COMMENT, "##"},
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{token.COMMENT, "# comment"},
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{token.COMMENT, "# /* comment */"},
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{token.COMMENT, "# # comment #"},
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{token.COMMENT, "#" + f100},
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// {token.COMMENT, "/**/"},
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// {token.COMMENT, "/***/"},
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// {token.COMMENT, "/* comment */"},
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// {token.COMMENT, "/* // comment */"},
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// {token.COMMENT, "/* /* comment */"},
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// {token.COMMENT, "/*\n comment\n*/"},
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// {token.COMMENT, "/*" + f100 + "*/"},
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}
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testTokenList(t, tokenList)
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}
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func TestOperator(t *testing.T) {
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var tokenList = []tokenPair{
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{token.LBRACK, "["},
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{token.LBRACE, "{"},
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{token.COMMA, ","},
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{token.PERIOD, "."},
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{token.RBRACK, "]"},
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{token.RBRACE, "}"},
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{token.ASSIGN, "="},
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{token.ADD, "+"},
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{token.SUB, "-"},
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}
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testTokenList(t, tokenList)
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}
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func TestBool(t *testing.T) {
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var tokenList = []tokenPair{
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{token.BOOL, "true"},
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{token.BOOL, "false"},
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}
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testTokenList(t, tokenList)
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}
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func TestIdent(t *testing.T) {
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var tokenList = []tokenPair{
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{token.IDENT, "a"},
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{token.IDENT, "a0"},
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{token.IDENT, "foobar"},
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{token.IDENT, "abc123"},
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{token.IDENT, "LGTM"},
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{token.IDENT, "_"},
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{token.IDENT, "_abc123"},
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{token.IDENT, "abc123_"},
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{token.IDENT, "_abc_123_"},
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{token.IDENT, "_äöü"},
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{token.IDENT, "_本"},
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{token.IDENT, "äöü"},
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{token.IDENT, "本"},
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{token.IDENT, "a۰۱۸"},
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{token.IDENT, "foo६४"},
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{token.IDENT, "bar９８７６"},
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}
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testTokenList(t, tokenList)
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}
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func TestString(t *testing.T) {
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var tokenList = []tokenPair{
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{token.STRING, `" "`},
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{token.STRING, `"a"`},
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{token.STRING, `"本"`},
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{token.STRING, `"\a"`},
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{token.STRING, `"\b"`},
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{token.STRING, `"\f"`},
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{token.STRING, `"\n"`},
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{token.STRING, `"\r"`},
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{token.STRING, `"\t"`},
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{token.STRING, `"\v"`},
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{token.STRING, `"\""`},
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{token.STRING, `"\000"`},
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{token.STRING, `"\777"`},
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{token.STRING, `"\x00"`},
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{token.STRING, `"\xff"`},
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{token.STRING, `"\u0000"`},
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{token.STRING, `"\ufA16"`},
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{token.STRING, `"\U00000000"`},
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{token.STRING, `"\U0000ffAB"`},
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{token.STRING, `"` + f100 + `"`},
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}
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testTokenList(t, tokenList)
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}
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func TestNumber(t *testing.T) {
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var tokenList = []tokenPair{
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{token.NUMBER, "0"},
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{token.NUMBER, "1"},
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{token.NUMBER, "9"},
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{token.NUMBER, "42"},
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{token.NUMBER, "1234567890"},
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{token.NUMBER, "00"},
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{token.NUMBER, "01"},
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{token.NUMBER, "07"},
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{token.NUMBER, "042"},
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{token.NUMBER, "01234567"},
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{token.NUMBER, "0x0"},
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{token.NUMBER, "0x1"},
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{token.NUMBER, "0xf"},
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{token.NUMBER, "0x42"},
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{token.NUMBER, "0x123456789abcDEF"},
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{token.NUMBER, "0x" + f100},
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{token.NUMBER, "0X0"},
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{token.NUMBER, "0X1"},
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{token.NUMBER, "0XF"},
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{token.NUMBER, "0X42"},
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{token.NUMBER, "0X123456789abcDEF"},
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{token.NUMBER, "0X" + f100},
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{token.FLOAT, "0."},
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{token.FLOAT, "1."},
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{token.FLOAT, "42."},
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{token.FLOAT, "01234567890."},
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{token.FLOAT, ".0"},
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{token.FLOAT, ".1"},
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{token.FLOAT, ".42"},
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{token.FLOAT, ".0123456789"},
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{token.FLOAT, "0.0"},
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{token.FLOAT, "1.0"},
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{token.FLOAT, "42.0"},
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{token.FLOAT, "01234567890.0"},
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{token.FLOAT, "0e0"},
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{token.FLOAT, "1e0"},
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{token.FLOAT, "42e0"},
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{token.FLOAT, "01234567890e0"},
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{token.FLOAT, "0E0"},
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{token.FLOAT, "1E0"},
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{token.FLOAT, "42E0"},
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{token.FLOAT, "01234567890E0"},
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{token.FLOAT, "0e+10"},
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{token.FLOAT, "1e-10"},
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{token.FLOAT, "42e+10"},
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{token.FLOAT, "01234567890e-10"},
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{token.FLOAT, "0E+10"},
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{token.FLOAT, "1E-10"},
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{token.FLOAT, "42E+10"},
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{token.FLOAT, "01234567890E-10"},
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}
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testTokenList(t, tokenList)
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}
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