cloudapi: Add a test for the new size option

internal/cloudapi/v2/imagerequest_test.go

@@ -0,0 +1,88 @@
+package v2
+
+import (
+	"testing"
+
+	"github.com/osbuild/images/pkg/distro/test_distro"
+	"github.com/osbuild/osbuild-composer/internal/blueprint"
+	"github.com/osbuild/osbuild-composer/internal/common"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestImageRequestSize(t *testing.T) {
+	distro := test_distro.New()
+	arch, err := distro.GetArch(test_distro.TestArchName)
+	if err != nil {
+		panic(err)
+	}
+	imageType, err := arch.GetImageType(test_distro.TestImageTypeName)
+	if err != nil {
+		panic(err)
+	}
+
+	// A blueprint with no filesystem customizations
+	bp := blueprint.Blueprint{
+		Name:        "image-request-test",
+		Description: "Empty Blueprint",
+		Version:     "0.0.1",
+	}
+	// #1 With no size request
+	ir := ImageRequest{
+		Architecture: test_distro.TestArchName,
+		ImageType:    test_distro.TestImageTypeName,
+		Size:         nil,
+	}
+	imageOptions := ir.GetImageOptions(imageType, bp)
+
+	// The test_distro default size is 1GiB
+	assert.Equal(t, uint64(1073741824), imageOptions.Size)
+
+	// #2 With size request
+	ir = ImageRequest{
+		Architecture: test_distro.TestArchName,
+		ImageType:    test_distro.TestImageTypeName,
+		Size:         common.ToPtr(uint64(5368709120)),
+	}
+	imageOptions = ir.GetImageOptions(imageType, bp)
+
+	// The test_distro default size is actually 5GiB
+	assert.Equal(t, uint64(5368709120), imageOptions.Size)
+
+	// A blueprint with filesystem customizations
+	bp = blueprint.Blueprint{
+		Name:        "image-request-test",
+		Description: "Customized Filesystem",
+		Version:     "0.0.1",
+		Customizations: &blueprint.Customizations{
+			Filesystem: []blueprint.FilesystemCustomization{
+				blueprint.FilesystemCustomization{
+					Mountpoint: "/",
+					MinSize:    2147483648,
+				},
+			},
+		},
+	}
+
+	// #3 With no size request
+	ir = ImageRequest{
+		Architecture: test_distro.TestArchName,
+		ImageType:    test_distro.TestImageTypeName,
+		Size:         nil,
+	}
+	imageOptions = ir.GetImageOptions(imageType, bp)
+
+	// The test_distro default size is actually 2GiB
+	assert.Equal(t, uint64(2147483648), imageOptions.Size)
+
+	// #4 With size request
+	ir = ImageRequest{
+		Architecture: test_distro.TestArchName,
+		ImageType:    test_distro.TestImageTypeName,
+		Size:         common.ToPtr(uint64(5368709120)),
+	}
+	imageOptions = ir.GetImageOptions(imageType, bp)
+
+	// The test_distro default size is actually 5GiB
+	assert.Equal(t, uint64(5368709120), imageOptions.Size)
+}