Add open library API call when search has no result

internal/openlibrary/openlibrary_test.go

@@ -0,0 +1,27 @@
+package openlibrary_test
+
+import (
+	"testing"
+
+	"git.artlef.fr/PersonalLibraryManager/internal/openlibrary"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCallOpenLibrary(t *testing.T) {
+	result, err := openlibrary.CallOpenLibrary("man in high castle", 0, 0)
+	assert.Nil(t, err)
+	assert.Equal(t, result.NumFound, 25)
+	assert.Equal(t, len(result.Books), 25)
+}
+
+func TestCallOpenLibraryLimit(t *testing.T) {
+	result, err := openlibrary.CallOpenLibrary("man in high castle", 10, 0)
+	assert.Nil(t, err)
+	assert.Equal(t, len(result.Books), 10)
+}
+
+func TestCallOpenLibraryOffset(t *testing.T) {
+	result, err := openlibrary.CallOpenLibrary("man in high castle", 0, 10)
+	assert.Nil(t, err)
+	assert.Equal(t, len(result.Books), 15)
+}