46b360b059
This commit adds tests for the commands docker diff and docker rename. Also, it creates the mock methods of the docker client ContainerDiff and ContainerRename so they can be used in the tests. For docker diff, it covers the cases that: - the command runs successfully - the client returns an error - the container id is empty For docker rename, it covers the cases that: - the command runs successfully - the container old name is empty - the container new name is empty - the client returns an error Co-authored-by: Laura Brehm <laurabrehm@hey.com> Signed-off-by: Stavros Panakakis <stavrospanakakis@gmail.com>
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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"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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"github.com/pkg/errors"
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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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