5a99ea9ad4
While there may be reasons to keep pkg/errors in production code, we don't need them for these tests. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
94 lines
1.9 KiB
Go
94 lines
1.9 KiB
Go
package container
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import (
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"context"
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"errors"
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"io"
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"strings"
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"testing"
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"github.com/docker/cli/internal/test"
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"github.com/docker/docker/api/types/container"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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)
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func TestRunDiff(t *testing.T) {
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cli := test.NewFakeCli(&fakeClient{
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containerDiffFunc: func(
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ctx context.Context,
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containerID string,
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) ([]container.FilesystemChange, error) {
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return []container.FilesystemChange{
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{
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Kind: container.ChangeModify,
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Path: "/path/to/file0",
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},
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{
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Kind: container.ChangeAdd,
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Path: "/path/to/file1",
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},
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{
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Kind: container.ChangeDelete,
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Path: "/path/to/file2",
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},
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}, nil
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},
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})
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cmd := NewDiffCommand(cli)
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cmd.SetOut(io.Discard)
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cmd.SetArgs([]string{"container-id"})
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err := cmd.Execute()
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assert.NilError(t, err)
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diff := strings.SplitN(cli.OutBuffer().String(), "\n", 3)
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assert.Assert(t, is.Len(diff, 3))
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file0 := strings.TrimSpace(diff[0])
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file1 := strings.TrimSpace(diff[1])
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file2 := strings.TrimSpace(diff[2])
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assert.Check(t, is.Equal(file0, "C /path/to/file0"))
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assert.Check(t, is.Equal(file1, "A /path/to/file1"))
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assert.Check(t, is.Equal(file2, "D /path/to/file2"))
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}
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func TestRunDiffClientError(t *testing.T) {
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clientError := errors.New("client error")
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cli := test.NewFakeCli(&fakeClient{
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containerDiffFunc: func(
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ctx context.Context,
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containerID string,
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) ([]container.FilesystemChange, error) {
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return nil, clientError
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},
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})
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cmd := NewDiffCommand(cli)
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cmd.SetOut(io.Discard)
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cmd.SetErr(io.Discard)
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cmd.SetArgs([]string{"container-id"})
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err := cmd.Execute()
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assert.ErrorIs(t, err, clientError)
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}
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func TestRunDiffEmptyContainerError(t *testing.T) {
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cli := test.NewFakeCli(&fakeClient{})
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cmd := NewDiffCommand(cli)
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cmd.SetOut(io.Discard)
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cmd.SetErr(io.Discard)
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containerID := ""
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cmd.SetArgs([]string{containerID})
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err := cmd.Execute()
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assert.Error(t, err, "Container name cannot be empty")
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}
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