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advent41_test.go
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advent41_test.go
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package main
import (
"fmt"
"io/ioutil"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func TestItRetursFalseWhenNoArg(t *testing.T) {
assert.False(t, isValid(""))
}
func TestItRetursTrueWhenNoRepeat(t *testing.T) {
assert.True(t, isValid("aa bb cc dd ee"))
}
func TestItRetursFalseWhenOneRepeat(t *testing.T) {
assert.False(t, isValid("aa bb cc dd ee aa"))
}
func TestItRetursTrueWhenOneAlmostRepeat(t *testing.T) {
assert.True(t, isValid("aa bb cc dd aaa"))
}
func TestItRetursTrueWhenMultipleLinesAlmostRepeat(t *testing.T) {
myInput := `
bdwdjjo avricm cjbmj ran lmfsom ivsof
mxonybc fndyzzi gmdp gdfyoi inrvhr kpuueel wdpga vkq
`
assert.Equal(t, 2, advent3(myInput))
}
func TestItRetursTrueWhenRealFile(t *testing.T) {
text, err := ioutil.ReadFile("./input.txt")
if err != nil {
fmt.Print(err)
}
fmt.Println("1:", advent3(string(text)))
}
func advent3(input string) int {
if input == "" {
return 0
}
valid := 0
for _, line := range strings.Split(input, "\n") {
if isValid(line) {
valid++
}
}
return valid
}
func isValid(line string) bool {
if line == "" {
return false
}
oldTokens := []string{}
for _, token := range strings.Split(line, " ") {
for _, oldToken := range oldTokens {
if oldToken == token {
return false
}
}
oldTokens = append(oldTokens, token)
}
return true
}