169 lines
3.7 KiB
Go
169 lines
3.7 KiB
Go
package datasource
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import (
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"bytes"
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"fmt"
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"reflect"
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"testing"
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"github.com/coreos/coreos-cloudinit/pkg"
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)
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type TestHttpClient struct {
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metadata map[string]string
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err error
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}
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func (t *TestHttpClient) GetRetry(url string) ([]byte, error) {
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if t.err != nil {
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return nil, t.err
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}
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if val, ok := t.metadata[url]; ok {
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return []byte(val), nil
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} else {
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return nil, pkg.ErrNotFound{fmt.Errorf("not found: %q", url)}
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}
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}
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func TestFetchAttributes(t *testing.T) {
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for _, s := range []struct {
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metadata map[string]string
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err error
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tests []struct {
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path string
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val []string
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}
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}{
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{
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metadata: map[string]string{
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"/": "a\nb\nc/",
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"/c/": "d\ne/",
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"/c/e/": "f",
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"/a": "1",
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"/b": "2",
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"/c/d": "3",
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"/c/e/f": "4",
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},
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tests: []struct {
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path string
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val []string
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}{
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{"/", []string{"a", "b", "c/"}},
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{"/b", []string{"2"}},
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{"/c/d", []string{"3"}},
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{"/c/e/", []string{"f"}},
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},
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},
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{
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err: pkg.ErrNotFound{fmt.Errorf("test error")},
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tests: []struct {
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path string
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val []string
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}{
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{"", nil},
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},
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},
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} {
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client := &TestHttpClient{s.metadata, s.err}
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for _, tt := range s.tests {
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attrs, err := fetchAttributes(client, tt.path)
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if err != s.err {
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t.Fatalf("bad error for %q (%q): want %q, got %q", tt.path, s.metadata, s.err, err)
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}
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if !reflect.DeepEqual(attrs, tt.val) {
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t.Fatalf("bad fetch for %q (%q): want %q, got %q", tt.path, s.metadata, tt.val, attrs)
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}
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}
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}
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}
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func TestFetchAttribute(t *testing.T) {
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for _, s := range []struct {
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metadata map[string]string
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err error
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tests []struct {
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path string
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val string
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}
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}{
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{
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metadata: map[string]string{
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"/": "a\nb\nc/",
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"/c/": "d\ne/",
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"/c/e/": "f",
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"/a": "1",
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"/b": "2",
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"/c/d": "3",
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"/c/e/f": "4",
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},
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tests: []struct {
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path string
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val string
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}{
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{"/a", "1"},
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{"/b", "2"},
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{"/c/d", "3"},
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{"/c/e/f", "4"},
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},
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},
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{
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err: pkg.ErrNotFound{fmt.Errorf("test error")},
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tests: []struct {
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path string
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val string
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}{
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{"", ""},
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},
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},
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} {
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client := &TestHttpClient{s.metadata, s.err}
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for _, tt := range s.tests {
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attr, err := fetchAttribute(client, tt.path)
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if err != s.err {
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t.Fatalf("bad error for %q (%q): want %q, got %q", tt.path, s.metadata, s.err, err)
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}
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if attr != tt.val {
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t.Fatalf("bad fetch for %q (%q): want %q, got %q", tt.path, s.metadata, tt.val, attr)
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}
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}
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}
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}
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func TestFetchMetadata(t *testing.T) {
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for _, tt := range []struct {
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metadata map[string]string
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err error
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expect []byte
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}{
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{
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metadata: map[string]string{
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"http://169.254.169.254/2009-04-04/meta-data/": "a\nb\nc/",
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"http://169.254.169.254/2009-04-04/meta-data/c/": "d\ne/",
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"http://169.254.169.254/2009-04-04/meta-data/c/e/": "f",
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"http://169.254.169.254/2009-04-04/meta-data/a": "1",
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"http://169.254.169.254/2009-04-04/meta-data/b": "2",
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"http://169.254.169.254/2009-04-04/meta-data/c/d": "3",
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"http://169.254.169.254/2009-04-04/meta-data/c/e/f": "4",
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},
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expect: []byte(`{"a":"1","b":"2","c":{"d":"3","e":{"f":"4"}}}`),
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},
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{
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metadata: map[string]string{
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"http://169.254.169.254/openstack/2012-08-10/meta_data.json": "test",
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},
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expect: []byte("test"),
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},
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{err: pkg.ErrTimeout{fmt.Errorf("test error")}},
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{err: pkg.ErrNotFound{fmt.Errorf("test error")}},
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} {
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client := &TestHttpClient{tt.metadata, tt.err}
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metadata, err := fetchMetadata(client)
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if err != tt.err {
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t.Fatalf("bad error (%q): want %q, got %q", tt.metadata, tt.err, err)
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}
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if !bytes.Equal(metadata, tt.expect) {
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t.Fatalf("bad fetch (%q): want %q, got %q", tt.metadata, tt.expect, metadata)
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}
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}
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}
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