minor refactoring of const + better timeout handling in pinter package + api package tests

internal/pkg/timeout/timeout_test.go

@@ -1,20 +1,40 @@
 package timeout
 
 import (
+	"errors"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/thecodingmachine/gotenberg/internal/pkg/standarderror"
+	"github.com/thecodingmachine/gotenberg/test"
 )
 
-func TestContext(t *testing.T) {
-	ctx, cancel := Context(1.5)
-	assert.NotNil(t, ctx)
-	assert.NotNil(t, cancel)
-}
-
 func TestDuration(t *testing.T) {
 	expected := time.Duration(1500) * time.Millisecond
 	result := Duration(1.5)
 	assert.Equal(t, expected.String(), result.String())
 }
+
+func TestErr(t *testing.T) {
+	previousErr := errors.New("previous error")
+	// should be OK.
+	ctx, cancel := Context(5)
+	defer cancel()
+	assert.NotNil(t, Err(ctx, previousErr))
+	// should timeout.
+	ctx, cancel = Context(0.5)
+	defer cancel()
+	time.Sleep(Duration(1))
+	err := Err(ctx, previousErr)
+	assert.NotNil(t, err)
+	standardized := test.RequireStandardError(t, err)
+	assert.Equal(t, standarderror.Timeout, standardized.Code)
+	// should failed.
+	ctx, cancel = Context(5)
+	cancel()
+	err = Err(ctx, previousErr)
+	assert.NotNil(t, err)
+	standardized = test.RequireStandardError(t, err)
+	assert.Equal(t, standarderror.Internal, standarderror.Code(err))
+}