Files
learngo/logparser/testing/main_test.go
2019-10-30 19:41:13 +03:00

68 lines
1.6 KiB
Go

// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
// +build integration
// go test -tags=integration
package main_test
import (
"bytes"
"os/exec"
"strings"
"testing"
)
const (
okIn = `
a.com 1 2
b.com 3 4
a.com 4 5
b.com 6 7`
okOut = `
DOMAIN VISITS TIME SPENT
-----------------------------------------------------------------
a.com 5 7
b.com 9 11
TOTAL 14 18`
)
func TestSummary(t *testing.T) {
tests := []struct {
name, in, out string
}{
{"valid input", okIn, okOut},
{"missing fields", "a.com 1 2\nb.com 3", "> Err: line #2: missing fields: [b.com 3]"},
{"incorrect visits", "a.com 1 2\nb.com -1 1", `> Err: line #2: incorrect visits: "-1"`},
{"incorrect time spent", "a.com 1 2\nb.com 3 -1", `> Err: line #2: incorrect time spent: "-1"`},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
run(t, strings.TrimSpace(tt.in), strings.TrimSpace(tt.out))
})
}
}
func run(t *testing.T, in, out string) {
cmd := exec.Command("go", "run", ".")
cmd.Stdin = strings.NewReader(in)
got, err := cmd.CombinedOutput()
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(got, []byte(out+"\n")) {
t.Fatalf("\nwant:\n%s\n\ngot:\n%s", out, got)
}
}