package client

import (
	"context"
	"net/http"
	"testing"

	cerrdefs "github.com/containerd/errdefs"
	"github.com/moby/moby/api/types/system"
	"gotest.tools/v3/assert"
	is "gotest.tools/v3/assert/cmp"
)

func TestDiskUsageError(t *testing.T) {
	client, err := NewClientWithOpts(WithMockClient(errorMock(http.StatusInternalServerError, "Server error")))
	assert.NilError(t, err)
	_, err = client.DiskUsage(context.Background(), DiskUsageOptions{})
	assert.Check(t, is.ErrorType(err, cerrdefs.IsInternal))
}

func TestDiskUsage(t *testing.T) {
	const expectedURL = "/system/df"
	client, err := NewClientWithOpts(WithMockClient(func(req *http.Request) (*http.Response, error) {
		if err := assertRequest(req, http.MethodGet, expectedURL); err != nil {
			return nil, err
		}

		return mockJSONResponse(http.StatusOK, nil, system.DiskUsage{
			LayersSize: int64(100),
			Images:     nil,
			Containers: nil,
			Volumes:    nil,
		})(req)
	}))
	assert.NilError(t, err)
	_, err = client.DiskUsage(context.Background(), DiskUsageOptions{})
	assert.NilError(t, err)
}