TDL/TDL_test.go
2020-11-04 22:27:06 +01:00

93 lines
1.8 KiB
Go

package main
import (
"bytes"
"fmt"
"io/ioutil"
"path"
"testing"
)
func exampleFiles() []string {
files, err := ioutil.ReadDir("example")
if err != nil {
panic(err)
}
names := []string{}
for _, file := range files {
names = append(names, path.Join("example", file.Name()))
}
return names
}
func referenceFile(infile string, suffix string) string {
return path.Join("test", path.Base(infile)+suffix)
}
func readFile(t *testing.T, file string) string {
bytes, err := ioutil.ReadFile(file)
if err != nil {
t.Error(err)
}
return string(bytes)
}
func TestLexer(t *testing.T) {
for _, file := range exampleFiles() {
t.Run(file, func(t *testing.T) {
input := readFile(t, file)
var buf bytes.Buffer
DebugLexer([]rune(input), &buf)
output := buf.String()
reference := readFile(t, referenceFile(file, ".lexer"))
if output != reference {
t.Fail()
}
})
}
}
func TestParser(t *testing.T) {
for _, file := range exampleFiles() {
t.Run(file, func(t *testing.T) {
input := readFile(t, file)
var buf bytes.Buffer
DebugParser([]rune(input), &buf)
output := buf.String()
reference := readFile(t, referenceFile(file, ".parser"))
if output != reference {
t.Fail()
}
})
}
}
func TestSearch(t *testing.T) {
available := map[float64]int{
20: 26,
10: 2,
5: 2,
2.5: 2,
1.25: 2,
0.5: 2,
}
tests := map[float64][]float64{
17: []float64{5, 2.5, 0.5},
42: []float64{20, 0.5},
80: []float64{20, 20},
}
for input, reference := range tests {
t.Run("search"+fmt.Sprint(input), func(t *testing.T) {
output := SearchPlates(available, input)
if len(reference) != len(output) {
t.Fail()
}
for i := 0; i < len(reference); i++ {
if reference[i] != output[i] {
t.Fail()
}
}
})
}
}