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package verbose_test
import (
"os"
"os/exec"
"strconv"
"strings"
"testing"
"git.ophivana.moe/cat/fortify/internal/verbose"
)
const (
testVerbose = "GO_TEST_VERBOSE"
wantStdout = "fortify: println\nfortify: printf"
)
func TestPrinter(t *testing.T) {
switch os.Getenv(testVerbose) {
case "0":
verbose.Set(false)
case "1":
verbose.Set(true)
default:
return
}
verbose.Println("println")
verbose.Printf("%s", "printf")
}
func TestPrintf_Println(t *testing.T) {
testPrintfPrintln(t, false)
testPrintfPrintln(t, true)
// make -cover happy
stdout := os.Stdout
t.Cleanup(func() {
os.Stdout = stdout
})
os.Stdout = nil
verbose.Set(true)
verbose.Printf("")
verbose.Println()
}
func testPrintfPrintln(t *testing.T, v bool) {
t.Run("start verbose printer with verbose "+strconv.FormatBool(v), func(t *testing.T) {
stdout, stderr := new(strings.Builder), new(strings.Builder)
stdout.Grow(len(wantStdout))
cmd := exec.Command(os.Args[0], "-test.run=TestPrinter")
cmd.Stdout, cmd.Stderr = stdout, stderr
if v {
cmd.Env = append(cmd.Env, testVerbose+"=1")
} else {
cmd.Env = append(cmd.Env, testVerbose+"=0")
}
if err := cmd.Run(); err != nil {
panic("cannot run printer process: " + err.Error() + " stderr: " + stderr.String())
}
if got := stdout.String(); strings.Contains(got, wantStdout) != v {
t.Errorf("Print: got %v; want %t",
got, v)
}
})
}
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