DockerCLI/cli/context/store/metadata_test.go

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package store
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
"gotest.tools/assert"
"gotest.tools/assert/cmp"
)
func testMetadata(name string) Metadata {
return Metadata{
Endpoints: map[string]interface{}{
"ep1": endpoint{Foo: "bar"},
},
Metadata: context{Bar: "baz"},
Name: name,
}
}
func TestMetadataGetNotExisting(t *testing.T) {
testDir, err := ioutil.TempDir("", t.Name())
assert.NilError(t, err)
defer os.RemoveAll(testDir)
testee := metadataStore{root: testDir, config: testCfg}
_, err = testee.get("noexist")
assert.Assert(t, IsErrContextDoesNotExist(err))
}
func TestMetadataCreateGetRemove(t *testing.T) {
testDir, err := ioutil.TempDir("", t.Name())
assert.NilError(t, err)
defer os.RemoveAll(testDir)
testee := metadataStore{root: testDir, config: testCfg}
expected2 := Metadata{
Endpoints: map[string]interface{}{
"ep1": endpoint{Foo: "baz"},
"ep2": endpoint{Foo: "bee"},
},
Metadata: context{Bar: "foo"},
Name: "test-context",
}
testMeta := testMetadata("test-context")
err = testee.createOrUpdate(testMeta)
assert.NilError(t, err)
// create a new instance to check it does not depend on some sort of state
testee = metadataStore{root: testDir, config: testCfg}
meta, err := testee.get(contextdirOf("test-context"))
assert.NilError(t, err)
assert.DeepEqual(t, meta, testMeta)
// update
err = testee.createOrUpdate(expected2)
assert.NilError(t, err)
meta, err = testee.get(contextdirOf("test-context"))
assert.NilError(t, err)
assert.DeepEqual(t, meta, expected2)
assert.NilError(t, testee.remove(contextdirOf("test-context")))
assert.NilError(t, testee.remove(contextdirOf("test-context"))) // support duplicate remove
_, err = testee.get(contextdirOf("test-context"))
assert.Assert(t, IsErrContextDoesNotExist(err))
}
func TestMetadataRespectJsonAnnotation(t *testing.T) {
testDir, err := ioutil.TempDir("", t.Name())
assert.NilError(t, err)
defer os.RemoveAll(testDir)
testee := metadataStore{root: testDir, config: testCfg}
assert.NilError(t, testee.createOrUpdate(testMetadata("test")))
bytes, err := ioutil.ReadFile(filepath.Join(testDir, string(contextdirOf("test")), "meta.json"))
assert.NilError(t, err)
assert.Assert(t, cmp.Contains(string(bytes), "a_very_recognizable_field_name"))
assert.Assert(t, cmp.Contains(string(bytes), "another_very_recognizable_field_name"))
}
func TestMetadataList(t *testing.T) {
testDir, err := ioutil.TempDir("", t.Name())
assert.NilError(t, err)
defer os.RemoveAll(testDir)
testee := metadataStore{root: testDir, config: testCfg}
wholeData := []Metadata{
testMetadata("context1"),
testMetadata("context2"),
testMetadata("context3"),
}
for _, s := range wholeData {
err = testee.createOrUpdate(s)
assert.NilError(t, err)
}
data, err := testee.list()
assert.NilError(t, err)
assert.DeepEqual(t, data, wholeData)
}
func TestEmptyConfig(t *testing.T) {
testDir, err := ioutil.TempDir("", t.Name())
assert.NilError(t, err)
defer os.RemoveAll(testDir)
testee := metadataStore{root: testDir}
wholeData := []Metadata{
testMetadata("context1"),
testMetadata("context2"),
testMetadata("context3"),
}
for _, s := range wholeData {
err = testee.createOrUpdate(s)
assert.NilError(t, err)
}
data, err := testee.list()
assert.NilError(t, err)
assert.Equal(t, len(data), len(wholeData))
}
type contextWithEmbedding struct {
embeddedStruct
}
type embeddedStruct struct {
Val string
}
func TestWithEmbedding(t *testing.T) {
testDir, err := ioutil.TempDir("", t.Name())
assert.NilError(t, err)
defer os.RemoveAll(testDir)
testee := metadataStore{root: testDir, config: NewConfig(func() interface{} { return &contextWithEmbedding{} })}
testCtxMeta := contextWithEmbedding{
embeddedStruct: embeddedStruct{
Val: "Hello",
},
}
assert.NilError(t, testee.createOrUpdate(Metadata{Metadata: testCtxMeta, Name: "test"}))
res, err := testee.get(contextdirOf("test"))
assert.NilError(t, err)
assert.Equal(t, testCtxMeta, res.Metadata)
}