DockerCLI/internal/versions/versions_test.go

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package versions
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
clitypes "github.com/docker/cli/types"
"gotest.tools/assert"
)
func TestParseTagsSimple(t *testing.T) {
tags := []string{"1.0.0", "1.1.2", "1.1.1", "1.2.2"}
currentVersion := "1.1.0"
res, err := parseTags(tags, currentVersion)
assert.NilError(t, err)
assert.Assert(t, err, "already present")
assert.Assert(t, len(res.Downgrades) == 1 && res.Downgrades[0].Tag == "1.0.0")
assert.Assert(t, len(res.Patches) == 2 && res.Patches[0].Tag == "1.1.1" && res.Patches[1].Tag == "1.1.2")
assert.Assert(t, len(res.Upgrades) == 1 && res.Upgrades[0].Tag == "1.2.2")
}
func TestParseConfirmMinSegments(t *testing.T) {
tags := []string{"1", "1.1.1", "2"}
currentVersion := "1.1"
res, err := parseTags(tags, currentVersion)
assert.NilError(t, err)
assert.Assert(t, err, "already present")
assert.Assert(t, len(res.Downgrades) == 1 && res.Downgrades[0].Tag == "1")
assert.Assert(t, len(res.Patches) == 1 && res.Patches[0].Tag == "1.1.1")
assert.Assert(t, len(res.Upgrades) == 1 && res.Upgrades[0].Tag == "2")
}
func TestParseTagsFilterPrerelease(t *testing.T) {
tags := []string{"1.0.0", "1.1.1", "1.2.2", "1.1.0-beta1"}
currentVersion := "1.1.0"
res, err := parseTags(tags, currentVersion)
assert.NilError(t, err)
assert.Assert(t, err, "already present")
assert.Assert(t, len(res.Downgrades) == 2 && res.Downgrades[0].Tag == "1.0.0")
assert.Assert(t, len(res.Patches) == 1 && res.Patches[0].Tag == "1.1.1")
assert.Assert(t, len(res.Upgrades) == 1 && res.Upgrades[0].Tag == "1.2.2")
}
func TestParseTagsBadTag(t *testing.T) {
tags := []string{"1.0.0", "1.1.1", "1.2.2", "notasemanticversion"}
currentVersion := "1.1.0"
res, err := parseTags(tags, currentVersion)
assert.NilError(t, err)
assert.Assert(t, err, "already present")
assert.Assert(t, len(res.Downgrades) == 1 && res.Downgrades[0].Tag == "1.0.0")
assert.Assert(t, len(res.Patches) == 1 && res.Patches[0].Tag == "1.1.1")
assert.Assert(t, len(res.Upgrades) == 1 && res.Upgrades[0].Tag == "1.2.2")
}
func TestParseBadCurrent(t *testing.T) {
tags := []string{"1.0.0", "1.1.2", "1.1.1", "1.2.2"}
currentVersion := "notasemanticversion"
_, err := parseTags(tags, currentVersion)
assert.ErrorContains(t, err, "failed to parse existing")
}
func TestParseBadCurrent2(t *testing.T) {
tags := []string{"1.0.0", "1.1.2", "1.1.1", "1.2.2"}
currentVersion := ""
_, err := parseTags(tags, currentVersion)
assert.ErrorContains(t, err, "failed to parse existing")
}
func TestGetCurrentRuntimeMetadataNotPresent(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-root")
assert.NilError(t, err)
defer os.RemoveAll(tmpdir)
_, err = GetCurrentRuntimeMetadata(tmpdir)
assert.ErrorType(t, err, os.IsNotExist)
}
func TestGetCurrentRuntimeMetadataBadJson(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-root")
assert.NilError(t, err)
defer os.RemoveAll(tmpdir)
filename := filepath.Join(tmpdir, clitypes.RuntimeMetadataName+".json")
err = ioutil.WriteFile(filename, []byte("not json"), 0644)
assert.NilError(t, err)
_, err = GetCurrentRuntimeMetadata(tmpdir)
assert.ErrorContains(t, err, "malformed runtime metadata file")
}
func TestGetCurrentRuntimeMetadataHappyPath(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-root")
assert.NilError(t, err)
defer os.RemoveAll(tmpdir)
metadata := clitypes.RuntimeMetadata{Platform: "platformgoeshere"}
err = WriteRuntimeMetadata(tmpdir, &metadata)
assert.NilError(t, err)
res, err := GetCurrentRuntimeMetadata(tmpdir)
assert.NilError(t, err)
assert.Equal(t, res.Platform, "platformgoeshere")
}