golangci-lint/test/run_test.go

77 lines
2.0 KiB
Go

package test
import (
"os/exec"
"path/filepath"
"sync"
"syscall"
"testing"
"github.com/stretchr/testify/assert"
)
var installOnce sync.Once
func installBinary(t assert.TestingT) {
installOnce.Do(func() {
cmd := exec.Command("go", "install", filepath.Join("..", "cmd", binName))
assert.NoError(t, cmd.Run(), "Can't go install %s", binName)
})
}
func checkNoIssuesRun(t *testing.T, out string, exitCode int) {
assert.Equal(t, 0, exitCode)
assert.Equal(t, "Congrats! No issues were found.\n", out)
}
func TestCongratsMessageIfNoIssues(t *testing.T) {
out, exitCode := runGolangciLint(t, "../...")
checkNoIssuesRun(t, out, exitCode)
}
func TestDeadline(t *testing.T) {
out, exitCode := runGolangciLint(t, "--deadline=1ms", "../...")
assert.Equal(t, 4, exitCode)
assert.Equal(t, "", out) // no 'Congrats! No issues were found.'
}
func runGolangciLint(t *testing.T, args ...string) (string, int) {
installBinary(t)
runArgs := append([]string{"run"}, args...)
cmd := exec.Command("golangci-lint", runArgs...)
out, err := cmd.Output()
if err != nil {
if exitError, ok := err.(*exec.ExitError); ok {
t.Logf("stderr: %s", exitError.Stderr)
ws := exitError.Sys().(syscall.WaitStatus)
return string(out), ws.ExitStatus()
}
t.Fatalf("can't get error code from %s", err)
return "", -1
}
// success, exitCode should be 0 if go is ok
ws := cmd.ProcessState.Sys().(syscall.WaitStatus)
return string(out), ws.ExitStatus()
}
func TestTestsAreLintedByDefault(t *testing.T) {
out, exitCode := runGolangciLint(t, "./testdata/withtests")
assert.Equal(t, 0, exitCode, out)
}
func TestConfigFileIsDetected(t *testing.T) {
checkGotConfig := func(out string, exitCode int) {
assert.Equal(t, 0, exitCode, out)
assert.Equal(t, "test\n", out) // test config contains InternalTest: true, it triggers such output
}
checkGotConfig(runGolangciLint(t, "testdata/withconfig/pkg"))
checkGotConfig(runGolangciLint(t, "testdata/withconfig/..."))
out, exitCode := runGolangciLint(t) // doesn't detect when no args
checkNoIssuesRun(t, out, exitCode)
}