package bazel

import (
	"os"
	"testing"
)

func TestNewTestTmpDir(t *testing.T) {
	prefix := "testy-boi"
	tmpdir, err := NewTestTmpDir(prefix)
	if err != nil {
		t.Errorf("When creating temp dir %s got error %s", prefix, err)
	}

	// Check that the tempdir actually exist
	if _, err := os.Stat(tmpdir); err != nil {
		t.Errorf("New tempdir (%s) not created. Got error %s", tmpdir, err)
	}
}

func TestTestTmpDir(t *testing.T) {
	d := ResolveTestTmpDir()
	if d == "" {
		t.Error("TestTmpDir (TEST_TMPDIR) was left empty")
	}

	// This will return the same value if ran outside of Bazel, so skip
	if !IsBazelTest() {
		return
	}

	os.Unsetenv(TestTmpDir)
	osDir := ResolveTestTmpDir()
	if osDir == d {
		t.Error("Shouldn't have gotten same value after unsetting bazel sandbox variable",
			"sandbox dir", d,
			"os dir", osDir,
		)
	}
	if osDir == "" {
		t.Error("Failed to resolve OS temp directory")
	}
}