52 lines
862 B
Go
52 lines
862 B
Go
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package config
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import (
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"io/ioutil"
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"path/filepath"
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"reflect"
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"testing"
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)
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func TestLex(t *testing.T) {
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cases := []struct {
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Input string
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Output []int
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}{
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{
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"concat.hcl",
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[]int{IDENTIFIER, LEFTPAREN,
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STRING, COMMA, STRING, COMMA, STRING,
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RIGHTPAREN, lexEOF},
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},
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}
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for _, tc := range cases {
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d, err := ioutil.ReadFile(filepath.Join(
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fixtureDir, "interpolations", tc.Input))
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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l := &exprLex{Input: string(d)}
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var actual []int
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for {
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token := l.Lex(new(exprSymType))
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actual = append(actual, token)
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if token == lexEOF {
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break
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}
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if len(actual) > 500 {
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t.Fatalf("Input:%s\n\nExausted.", tc.Input)
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}
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}
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if !reflect.DeepEqual(actual, tc.Output) {
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t.Fatalf(
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"Input: %s\n\nBad: %#v\n\nExpected: %#v",
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tc.Input, actual, tc.Output)
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}
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}
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}
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