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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| /* | ||
| Copyright The containerd Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "runtime" | ||
| "strings" | ||
| "testing" | ||
|
|
||
| "github.com/containerd/nerdctl/v2/pkg/testutil" | ||
| "gotest.tools/v3/assert" | ||
| ) | ||
|
|
||
| type historyObj struct { | ||
| Snapshot string | ||
| CreatedAt string | ||
| CreatedSince string | ||
| CreatedBy string | ||
| Size string | ||
| Comment string | ||
| } | ||
|
|
||
| func imageHistoryJSONHelper(base *testutil.Base, reference string, noTrunc bool, quiet bool, human bool) []historyObj { | ||
| cmd := []string{"image", "history"} | ||
| if noTrunc { | ||
| cmd = append(cmd, "--no-trunc") | ||
| } | ||
| if quiet { | ||
| cmd = append(cmd, "--quiet") | ||
| } | ||
| cmd = append(cmd, fmt.Sprintf("--human=%t", human)) | ||
| cmd = append(cmd, "--format", "json") | ||
| cmd = append(cmd, reference) | ||
|
|
||
| cmdResult := base.Cmd(cmd...).Run() | ||
| assert.Equal(base.T, cmdResult.ExitCode, 0) | ||
|
|
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| dec := json.NewDecoder(strings.NewReader(cmdResult.Stdout())) | ||
| object := []historyObj{} | ||
| for { | ||
| var v historyObj | ||
| if err := dec.Decode(&v); err == io.EOF { | ||
| break | ||
| } else if err != nil { | ||
| base.T.Fatal(err) | ||
| } | ||
| object = append(object, v) | ||
| } | ||
|
|
||
| return object | ||
| } | ||
|
|
||
| func imageHistoryRawHelper(base *testutil.Base, reference string, noTrunc bool, quiet bool, human bool) string { | ||
| cmd := []string{"image", "history"} | ||
| if noTrunc { | ||
| cmd = append(cmd, "--no-trunc") | ||
| } | ||
| if quiet { | ||
| cmd = append(cmd, "--quiet") | ||
| } | ||
| cmd = append(cmd, fmt.Sprintf("--human=%t", human)) | ||
| cmd = append(cmd, reference) | ||
|
|
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| cmdResult := base.Cmd(cmd...).Run() | ||
| assert.Equal(base.T, cmdResult.ExitCode, 0) | ||
|
|
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| return cmdResult.Stdout() | ||
| } | ||
|
|
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| func TestImageHistory(t *testing.T) { | ||
| // Here are the current issues with regard to docker true compatibility: | ||
| // - we have a different definition of what a layer id is (snapshot vs. id) | ||
| // this will require indepth convergence when moby will handle multi platform images | ||
| // - our definition of size is different | ||
| // this requires some investigation to figure out why it differs | ||
| // possibly one is unpacked on the filessystem while the other is the tar file size? | ||
| // - we do not truncate ids when --quiet has been provided | ||
| // this is a conscious decision here - truncating with --quiet does not make much sense | ||
| testutil.DockerIncompatible(t) | ||
|
|
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| base := testutil.NewBase(t) | ||
|
|
||
| // XXX the results here are obviously platform dependent - and it seems like windows cannot pull a linux image? | ||
| // Disabling for now | ||
| if runtime.GOOS != "windows" { | ||
| base.Cmd("pull", "--platform", "linux/arm64", testutil.CommonImage).AssertOK() | ||
|
|
||
| // Human, no quiet, truncate | ||
| history := imageHistoryJSONHelper(base, testutil.CommonImage, false, false, true) | ||
| // Two layers | ||
| assert.Equal(base.T, len(history), 2) | ||
| // First layer is a comment - zero size, no snap, | ||
| assert.Equal(base.T, history[0].Size, "0B") | ||
| assert.Equal(base.T, history[0].CreatedSince, "3 years ago") | ||
| assert.Equal(base.T, history[0].Snapshot, "<missing>") | ||
| assert.Equal(base.T, history[0].Comment, "") | ||
| assert.Equal(base.T, history[0].CreatedAt, "2021-03-31T10:21:23-07:00") | ||
| assert.Equal(base.T, history[0].CreatedBy, "/bin/sh -c #(nop) CMD [\"/bin/sh\"]") | ||
|
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||
| assert.Equal(base.T, history[1].Size, "5.947MB") | ||
| assert.Equal(base.T, history[1].CreatedSince, "3 years ago") | ||
| assert.Equal(base.T, history[1].Snapshot, "sha256:56bf55b8eed1f0b4794a30386e4d1d3da949c…") | ||
| assert.Equal(base.T, history[1].Comment, "") | ||
| assert.Equal(base.T, history[1].CreatedAt, "2021-03-31T10:21:21-07:00") | ||
| assert.Equal(base.T, history[1].CreatedBy, "/bin/sh -c #(nop) ADD file:3b16ffee2b26d8af5…") | ||
|
|
||
| // No human - dates and sizes and not prettyfied | ||
| history = imageHistoryJSONHelper(base, testutil.CommonImage, false, false, false) | ||
| assert.Equal(base.T, history[0].Size, "0") | ||
| assert.Equal(base.T, history[0].CreatedSince, "2021-03-31T10:21:23-07:00") | ||
|
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||
| assert.Equal(base.T, history[1].Size, "5947392") | ||
| assert.Equal(base.T, history[1].CreatedSince, "2021-03-31T10:21:21-07:00") | ||
|
|
||
| // No trunc - do not truncate sha or cmd | ||
| history = imageHistoryJSONHelper(base, testutil.CommonImage, true, false, true) | ||
| assert.Equal(base.T, history[1].Snapshot, "sha256:56bf55b8eed1f0b4794a30386e4d1d3da949c25bcb5155e898097cd75dc77c2a") | ||
| assert.Equal(base.T, history[1].CreatedBy, "/bin/sh -c #(nop) ADD file:3b16ffee2b26d8af5db152fcc582aaccd9e1ec9e3343874e9969a205550fe07d in / ") | ||
|
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| // Quiet has no effect with format, so, go no-json, no-trunc | ||
| rawHistory := imageHistoryRawHelper(base, testutil.CommonImage, true, true, true) | ||
| assert.Equal(base.T, rawHistory, "<missing>\nsha256:56bf55b8eed1f0b4794a30386e4d1d3da949c25bcb5155e898097cd75dc77c2a\n") | ||
|
|
||
| // With quiet, trunc has no effect | ||
| rawHistory = imageHistoryRawHelper(base, testutil.CommonImage, false, true, true) | ||
| assert.Equal(base.T, rawHistory, "<missing>\nsha256:56bf55b8eed1f0b4794a30386e4d1d3da949c25bcb5155e898097cd75dc77c2a\n") | ||
| } | ||
| } |
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