Add tests for new reading functions that take a Context.

pkg/pdfcpu/read_test.go

@@ -0,0 +1,56 @@
+/*
+Copyright 2024 The pdfcpu Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package pdfcpu
+
+import (
+	"context"
+	"errors"
+	"os"
+	"testing"
+
+	"github.com/pdfcpu/pdfcpu/pkg/pdfcpu/model"
+)
+
+func TestReadFileContext(t *testing.T) {
+	ctx, cancel := context.WithTimeout(context.Background(), 0)
+	defer cancel()
+
+	conf := model.NewDefaultConfiguration()
+	if doc, err := ReadFileContext(ctx, "../samples/basic/Test.pdf", conf); err == nil {
+		t.Errorf("reading should have failed, got %+v", doc)
+	} else if !errors.Is(err, context.DeadlineExceeded) {
+		t.Errorf("should have failed with timeout, got %s", err)
+	}
+}
+
+func TestReadContext(t *testing.T) {
+	fp, err := os.Open("../samples/basic/Test.pdf")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer fp.Close()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 0)
+	defer cancel()
+
+	conf := model.NewDefaultConfiguration()
+	if doc, err := ReadContext(ctx, fp, conf); err == nil {
+		t.Errorf("reading should have failed, got %+v", doc)
+	} else if !errors.Is(err, context.DeadlineExceeded) {
+		t.Errorf("should have failed with timeout, got %s", err)
+	}
+}