snapshot of https://github.com/traggo/server.git (master, 2026-09-16; blobs > 131072B omitted)

config/config_test.go

@@ -0,0 +1,160 @@
+package config
+
+import (
+	"errors"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/rs/zerolog"
+	"github.com/stretchr/testify/assert"
+	"github.com/traggo/server/config/mode"
+)
+
+func TestMain(m *testing.M) {
+	absoluteFiles = []string{}
+	os.Exit(m.Run())
+}
+
+func TestGet_withoutFiles_containsDefault(t *testing.T) {
+	conf, logs := Get()
+
+	assert.Empty(t, logs)
+	assert.Equal(t, 3030, conf.Port)
+}
+
+func TestGet_withoutFiles_usesEnvVariables(t *testing.T) {
+	assert.Nil(t, os.Setenv("TRAGGO_PORT", "9999"))
+	defer os.Unsetenv("TRAGGO_PORT")
+
+	conf, logs := Get()
+
+	assert.Empty(t, logs)
+	assert.Equal(t, 9999, conf.Port)
+}
+
+func TestGet_withFile_usesFile(t *testing.T) {
+	defer os.Unsetenv("TRAGGO_PORT")
+	assert.Nil(t, ioutil.WriteFile(".env", []byte("TRAGGO_PORT=5555"), 0777))
+	defer os.Remove(".env")
+
+	conf, logs := Get()
+
+	expected := []FutureLog{{
+		Msg:   `Loading file .env`,
+		Level: zerolog.DebugLevel,
+	}}
+	assert.Equal(t, expected, logs)
+	assert.Equal(t, 5555, conf.Port)
+}
+
+func TestGet_withInvalidEnvParam_errs(t *testing.T) {
+	assert.Nil(t, os.Setenv("TRAGGO_PORT", "asdasd"))
+	defer os.Unsetenv("TRAGGO_PORT")
+
+	_, logs := Get()
+
+	expected := []FutureLog{{
+		Msg:   `cannot parse env params: envconfig.Process: assigning TRAGGO_PORT to Port: converting 'asdasd' to type int. details: strconv.ParseInt: parsing "asdasd": invalid syntax`,
+		Level: zerolog.FatalLevel,
+	}}
+	assert.Equal(t, expected, logs)
+}
+
+func TestGet_prodMode_findFileRelativeToExecutable(t *testing.T) {
+	defer os.Unsetenv("TRAGGO_PORT")
+	oldMode := mode.Get()
+	mode.Set(mode.Prod)
+	defer func() {
+		mode.Set(oldMode)
+	}()
+	old := osExecutable
+	defer func() {
+		osExecutable = old
+	}()
+	osExecutable = func() (string, error) {
+		return "./testpath/some.exe", nil
+	}
+	assert.Nil(t, os.MkdirAll("./testpath", 0777))
+	defer os.RemoveAll("./testpath")
+
+	assert.Nil(t, ioutil.WriteFile("./testpath/.env", []byte("TRAGGO_PORT=6666"), 0777))
+
+	conf, logs := Get()
+
+	expected := []FutureLog{{
+		Msg:   `Loading file ` + filepath.Join("testpath", ".env"),
+		Level: zerolog.DebugLevel,
+	}}
+	assert.Equal(t, expected, logs)
+	assert.Equal(t, 6666, conf.Port)
+}
+
+func TestGet_errsOnOsExecutable(t *testing.T) {
+	defer os.Unsetenv("TRAGGO_PORT")
+	oldMode := mode.Get()
+	mode.Set(mode.Prod)
+	defer func() {
+		mode.Set(oldMode)
+	}()
+	old := osExecutable
+	defer func() {
+		osExecutable = old
+	}()
+	osExecutable = func() (string, error) {
+		return "", errors.New("oops")
+	}
+
+	_, logs := Get()
+
+	expected := []FutureLog{{
+		Msg:   `Could not get path of executable using working directory instead. oops`,
+		Level: zerolog.ErrorLevel,
+	}}
+	assert.Equal(t, expected, logs)
+}
+
+func TestGet_withoutFilePermission(t *testing.T) {
+	defer os.Unsetenv("TRAGGO_PORT")
+	old := osStat
+	defer func() {
+		osStat = old
+	}()
+	osStat = func(name string) (os.FileInfo, error) {
+		if name == ".env" {
+			return nil, os.ErrPermission
+		}
+		return os.Stat(name)
+	}
+
+	_, logs := Get()
+
+	expected := []FutureLog{{
+		Msg:   `cannot read file .env because permission denied`,
+		Level: zerolog.WarnLevel,
+	}}
+	assert.Equal(t, expected, logs)
+}
+
+func TestGet_checksAbsoluteFiles(t *testing.T) {
+	defer os.Unsetenv("TRAGGO_PORT")
+	assert.Nil(t, os.MkdirAll("./absolutepath", 0777))
+	defer os.RemoveAll("./absolutepath")
+	path, err := filepath.Abs("./absolutepath/.env")
+	assert.Nil(t, err)
+	absoluteFiles = []string{path}
+	defer func() {
+		absoluteFiles = []string{}
+	}()
+	assert.Nil(t, ioutil.WriteFile("./absolutepath/.env", []byte("TRAGGO_PORT=7777"), 0777))
+
+	conf, logs := Get()
+
+	expected := []FutureLog{{
+		Msg:   `Loading file ` + path,
+		Level: zerolog.DebugLevel,
+	}}
+	assert.Equal(t, expected, logs)
+	assert.Equal(t, 7777, conf.Port)
+}