mirror of https://github.com/docker/cli.git
69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
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package containerized
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"gotest.tools/assert"
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)
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func TestUpdateConfigNotExist(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "cfg-update")
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assert.NilError(t, err)
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defer os.RemoveAll(tmpdir)
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origProxyDir := proxydir
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defer func() {
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proxydir = origProxyDir
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}()
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proxydir = tmpdir
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name := "myname"
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newImage := "newimage:foo"
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err = updateConfig(name, newImage)
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assert.NilError(t, err)
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}
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func TestUpdateConfigBadJson(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "cfg-update")
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assert.NilError(t, err)
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defer os.RemoveAll(tmpdir)
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origProxyDir := proxydir
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defer func() {
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proxydir = origProxyDir
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}()
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proxydir = tmpdir
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filename := filepath.Join(tmpdir, "dockerd.json")
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err = ioutil.WriteFile(filename, []byte("not json"), 0644)
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assert.NilError(t, err)
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name := "dockerd"
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newImage := "newimage:foo"
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err = updateConfig(name, newImage)
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assert.ErrorContains(t, err, "invalid character")
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}
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func TestUpdateConfigHappyPath(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "cfg-update")
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assert.NilError(t, err)
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defer os.RemoveAll(tmpdir)
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origProxyDir := proxydir
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defer func() {
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proxydir = origProxyDir
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}()
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proxydir = tmpdir
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filename := filepath.Join(tmpdir, "dockerd.json")
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err = ioutil.WriteFile(filename, []byte("{}"), 0644)
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assert.NilError(t, err)
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name := "dockerd"
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newImage := "newimage:foo"
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err = updateConfig(name, newImage)
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assert.NilError(t, err)
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data, err := ioutil.ReadFile(filename)
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assert.NilError(t, err)
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var cfg map[string]string
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err = json.Unmarshal(data, &cfg)
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assert.NilError(t, err)
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assert.Assert(t, cfg["image"] == newImage)
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}
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