deckhouse-cli/internal/dataexport/cmd/list/list_http_test.go at bb193eab69cf1816ed73a461b11068ccab2e77fd · deckhouse/deckhouse-cli · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
package list

import (
	"bytes"
	"context"
	"io"
	"net/http"
	"net/http/httptest"
	"os"
	"testing"

	"log/slog"

	"github.com/stretchr/testify/require"

	"github.com/deckhouse/deckhouse-cli/internal/dataexport/util"
	safereq "github.com/deckhouse/deckhouse-cli/pkg/libsaferequest/client"
	ctrlclient "sigs.k8s.io/controller-runtime/pkg/client"
)

func newSafe() *safereq.SafeClient { sc, _ := safereq.NewSafeClient(); return sc.Copy() }

func TestListFilesystem_OK(t *testing.T) {
	// JSON listing for root dir
	respBody := `{"apiVersion":"v1","items":[{"name":"file.txt","type":"file"}]}`
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		require.Equal(t, "/api/v1/files/", r.URL.Path)
		w.Header().Set("Content-Type", "application/json")
		w.WriteHeader(200)
		w.Write([]byte(respBody))
	}))
	defer srv.Close()

	origPrep := util.PrepareDownloadFunc
	origCreate := util.CreateDataExporterIfNeededFunc
	util.PrepareDownloadFunc = func(_ context.Context, _ *slog.Logger, _, _ string, _ bool, _ *safereq.SafeClient) (string, string, *safereq.SafeClient, error) {
		// Re-enable support for unauthenticated requests inside unit tests.
		safereq.SupportNoAuth = true
		return srv.URL + "/api/v1/files", "Filesystem", newSafe(), nil
	}
	util.CreateDataExporterIfNeededFunc = func(_ context.Context, _ *slog.Logger, de, _ string, _ bool, _ string, _ ctrlclient.Client) (string, string, error) {
		return de, "", nil
	}
	defer func() { util.PrepareDownloadFunc = origPrep; util.CreateDataExporterIfNeededFunc = origCreate }()

	oldStd := os.Stdout
	r, w, _ := os.Pipe()
	os.Stdout = w

	cmd := NewCommand(context.TODO(), slog.Default())
	cmd.SetArgs([]string{"myexport", "/"})
	require.NoError(t, cmd.Execute())

	w.Close()
	var bufOut bytes.Buffer
	io.Copy(&bufOut, r)
	os.Stdout = oldStd

	require.Contains(t, bufOut.String(), "file.txt")
}

func TestListBlock_OK(t *testing.T) {
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		require.Equal(t, http.MethodHead, r.Method)
		w.Header().Set("Content-Length", "1234")
		w.WriteHeader(200)
	}))
	defer srv.Close()

	origPrep := util.PrepareDownloadFunc
	origCreate := util.CreateDataExporterIfNeededFunc
	util.PrepareDownloadFunc = func(_ context.Context, _ *slog.Logger, _, _ string, _ bool, _ *safereq.SafeClient) (string, string, *safereq.SafeClient, error) {
		// Re-enable support for unauthenticated requests inside unit tests.
		safereq.SupportNoAuth = true
		return srv.URL + "/api/v1/block", "Block", newSafe(), nil
	}
	util.CreateDataExporterIfNeededFunc = func(_ context.Context, _ *slog.Logger, de, _ string, _ bool, _ string, _ ctrlclient.Client) (string, string, error) {
		return de, "", nil
	}
	defer func() { util.PrepareDownloadFunc = origPrep; util.CreateDataExporterIfNeededFunc = origCreate }()

	// capture stdout because list writes to Stdout directly
	oldStd := os.Stdout
	r, w, _ := os.Pipe()
	os.Stdout = w

	cmd := NewCommand(context.TODO(), slog.Default())
	cmd.SetArgs([]string{"myexport"})
	require.NoError(t, cmd.Execute())

	w.Close()
	var buf bytes.Buffer
	io.Copy(&buf, r)
	os.Stdout = oldStd

	require.Contains(t, buf.String(), "Disk size:")
}

func TestListFilesystem_NotDir(t *testing.T) {
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		http.Error(w, "not dir", http.StatusBadRequest)
	}))
	defer srv.Close()

	origPrep := util.PrepareDownloadFunc
	origCreate := util.CreateDataExporterIfNeededFunc
	util.PrepareDownloadFunc = func(_ context.Context, _ *slog.Logger, _, _ string, _ bool, _ *safereq.SafeClient) (string, string, *safereq.SafeClient, error) {
		// Re-enable support for unauthenticated requests inside unit tests.
		safereq.SupportNoAuth = true
		return srv.URL + "/api/v1/files", "Filesystem", newSafe(), nil
	}
	util.CreateDataExporterIfNeededFunc = func(_ context.Context, _ *slog.Logger, de, _ string, _ bool, _ string, _ ctrlclient.Client) (string, string, error) {
		return de, "", nil
	}
	defer func() { util.PrepareDownloadFunc = origPrep; util.CreateDataExporterIfNeededFunc = origCreate }()

	cmd := NewCommand(context.TODO(), slog.Default())
	cmd.SetOut(&bytes.Buffer{})
	cmd.SetErr(&bytes.Buffer{})
	cmd.SetArgs([]string{"myexport", "some/invalid"})
	err := cmd.Execute()
	require.Error(t, err)
}