influx-cli/pkg/template/source_test.go

437 lines
10 KiB
Go

package template_test
import (
"context"
"io"
"net/http"
"net/http/httptest"
"net/url"
"os"
"path/filepath"
"sort"
"strings"
"testing"
"github.com/influxdata/influx-cli/v2/api"
"github.com/influxdata/influx-cli/v2/pkg/template"
"github.com/stretchr/testify/require"
)
func TestSourcesFromPath(t *testing.T) {
t.Parallel()
type contents struct {
name string
encoding template.Encoding
contents string
}
testCases := []struct {
name string
setup func(t *testing.T, rootDir string)
inPath func(rootDir string) string
inEncoding template.Encoding
recursive bool
expected func(rootDir string) []contents
}{
{
name: "JSON file",
setup: func(t *testing.T, rootDir string) {
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "foo.json"), []byte("foo"), os.ModePerm))
},
inPath: func(rootDir string) string {
return filepath.Join(rootDir, "foo.json")
},
expected: func(string) []contents {
return []contents{{
name: "foo.json",
encoding: template.EncodingJson,
contents: "foo",
}}
},
},
{
name: "YAML file",
setup: func(t *testing.T, rootDir string) {
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "foo.yaml"), []byte("foo"), os.ModePerm))
},
inPath: func(rootDir string) string {
return filepath.Join(rootDir, "foo.yaml")
},
expected: func(string) []contents {
return []contents{{
name: "foo.yaml",
encoding: template.EncodingYaml,
contents: "foo",
}}
},
},
{
name: "YML file",
setup: func(t *testing.T, rootDir string) {
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "foo.yml"), []byte("foo"), os.ModePerm))
},
inPath: func(rootDir string) string {
return filepath.Join(rootDir, "foo.yml")
},
expected: func(string) []contents {
return []contents{{
name: "foo.yml",
encoding: template.EncodingYaml,
contents: "foo",
}}
},
},
{
name: "JSONNET file",
setup: func(t *testing.T, rootDir string) {
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "foo.jsonnet"), []byte("foo"), os.ModePerm))
},
inPath: func(rootDir string) string {
return filepath.Join(rootDir, "foo.jsonnet")
},
expected: func(string) []contents {
return []contents{{
name: "foo.jsonnet",
encoding: template.EncodingJsonnet,
contents: "foo",
}}
},
},
{
name: "explicit inEncoding",
setup: func(t *testing.T, rootDir string) {
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "foo"), []byte("foo"), os.ModePerm))
},
inEncoding: template.EncodingJson,
inPath: func(rootDir string) string {
return filepath.Join(rootDir, "foo")
},
expected: func(string) []contents {
return []contents{{
name: "foo",
encoding: template.EncodingJson,
contents: "foo",
}}
},
},
{
name: "directory - non-recursive",
setup: func(t *testing.T, rootDir string) {
require.NoError(t, os.Mkdir(filepath.Join(rootDir, "bar"), os.ModePerm))
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "foo.json"), []byte("foo.json"), os.ModePerm))
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "foo.yml"), []byte("foo.yml"), os.ModePerm))
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "bar", "foo.jsonnet"), []byte("foo.jsonnet"), os.ModePerm))
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "bar", "foo.yaml"), []byte("foo.yaml"), os.ModePerm))
},
inPath: func(rootDir string) string {
return rootDir
},
expected: func(rootDir string) []contents {
return []contents{
{
name: filepath.Join(rootDir, "foo.json"),
contents: "foo.json",
encoding: template.EncodingJson,
},
{
name: filepath.Join(rootDir, "foo.yml"),
contents: "foo.yml",
encoding: template.EncodingYaml,
},
}
},
},
{
name: "directory - recursive",
setup: func(t *testing.T, rootDir string) {
require.NoError(t, os.Mkdir(filepath.Join(rootDir, "bar"), os.ModePerm))
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "foo.json"), []byte("foo.json"), os.ModePerm))
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "foo.yml"), []byte("foo.yml"), os.ModePerm))
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "bar", "foo.jsonnet"), []byte("foo.jsonnet"), os.ModePerm))
require.NoError(t, os.WriteFile(filepath.Join(rootDir, "bar", "foo.yaml"), []byte("foo.yaml"), os.ModePerm))
},
inPath: func(rootDir string) string {
return rootDir
},
recursive: true,
expected: func(rootDir string) []contents {
return []contents{
{
name: filepath.Join(rootDir, "foo.json"),
contents: "foo.json",
encoding: template.EncodingJson,
},
{
name: filepath.Join(rootDir, "foo.yml"),
contents: "foo.yml",
encoding: template.EncodingYaml,
},
{
name: filepath.Join(rootDir, "bar", "foo.yaml"),
contents: "foo.yaml",
encoding: template.EncodingYaml,
},
{
name: filepath.Join(rootDir, "bar", "foo.jsonnet"),
contents: "foo.jsonnet",
encoding: template.EncodingJsonnet,
},
}
},
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
tmp, err := os.MkdirTemp("", "")
require.NoError(t, err)
defer os.RemoveAll(tmp)
tc.setup(t, tmp)
sources, err := template.SourcesFromPath(tc.inPath(tmp), tc.recursive, tc.inEncoding)
require.NoError(t, err)
expected := tc.expected(tmp)
require.Len(t, sources, len(expected))
sort.Slice(sources, func(i, j int) bool {
return sources[i].Name < sources[j].Name
})
sort.Slice(expected, func(i, j int) bool {
return expected[i].name < expected[j].name
})
for i := range expected {
source := sources[i]
contents := expected[i]
require.Equal(t, contents.encoding, source.Encoding)
sourceIn, err := source.Open(context.Background())
require.NoError(t, err)
bytes, err := io.ReadAll(sourceIn)
sourceIn.Close()
require.NoError(t, err)
require.Equal(t, contents.contents, string(bytes))
}
})
}
}
func TestSourceFromURL(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
filename string
inEncoding template.Encoding
expectEncoding template.Encoding
resStatus int
resBody string
expectErr bool
}{
{
name: "JSON file",
filename: "foo.json",
expectEncoding: template.EncodingJson,
resStatus: 200,
resBody: "Foo bar",
},
{
name: "YAML file",
filename: "foo.yaml",
expectEncoding: template.EncodingYaml,
resStatus: 200,
resBody: "Foo bar",
},
{
name: "YML file",
filename: "foo.yml",
expectEncoding: template.EncodingYaml,
resStatus: 200,
resBody: "Foo bar",
},
{
name: "JSONNET file",
filename: "foo.jsonnet",
expectEncoding: template.EncodingJsonnet,
resStatus: 200,
resBody: "Foo bar",
},
{
name: "explicit encoding",
filename: "foo",
inEncoding: template.EncodingJson,
expectEncoding: template.EncodingJson,
resStatus: 200,
resBody: "Foo bar",
},
{
name: "err response",
filename: "foo.json",
expectEncoding: template.EncodingJson,
resStatus: 403,
resBody: "OH NO",
expectErr: true,
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
rw.WriteHeader(tc.resStatus)
rw.Write([]byte(tc.resBody))
}))
defer server.Close()
u, err := url.Parse(server.URL)
require.NoError(t, err)
u.Path = tc.filename
source := template.SourceFromURL(u, tc.inEncoding)
in, err := source.Open(context.Background())
if tc.expectErr {
require.Error(t, err)
require.Contains(t, err.Error(), "bad response")
require.Contains(t, err.Error(), tc.resBody)
return
}
require.NoError(t, err)
defer in.Close()
bytes, err := io.ReadAll(in)
require.NoError(t, err)
require.Equal(t, tc.resBody, string(bytes))
})
}
}
func TestTemplateSource_Read(t *testing.T) {
t.Parallel()
yamlTemplate := `---
apiVersion: influxdata.com/v2alpha1
kind: Bucket
meta: null
spec:
name: test
retentionRules:
- type: expire
---
apiVersion: influxdata.com/v2alpha1
kind: Bucket
meta: null
spec:
name: test2
retentionRules:
- type: expire
`
jsonTemplate := `[
{
"apiVersion": "influxdata.com/v2alpha1",
"kind": "Bucket",
"spec": {
"name": "test",
"retentionRules": [
{
"type": "expire"
}
]
}
},
{
"apiVersion": "influxdata.com/v2alpha1",
"kind": "Bucket",
"spec": {
"name": "test2",
"retentionRules": [
{
"type": "expire"
}
]
}
}
]
`
jsonnetTemplate := `local Bucket(name) = {
apiVersion: "influxdata.com/v2alpha1",
kind: "Bucket",
spec: {
name: name,
retentionRules: [{
type: "expire",
}],
},
};
[Bucket("test"), Bucket("test2")]
`
parsed := []api.TemplateEntry{
{
ApiVersion: "influxdata.com/v2alpha1",
Kind: "Bucket",
Spec: map[string]interface{}{
"name": "test",
"retentionRules": []interface{}{
map[string]interface{}{
"type": "expire",
},
},
},
},
{
ApiVersion: "influxdata.com/v2alpha1",
Kind: "Bucket",
Spec: map[string]interface{}{
"name": "test2",
"retentionRules": []interface{}{
map[string]interface{}{
"type": "expire",
},
},
},
},
}
testCases := []struct {
name string
encoding template.Encoding
data string
}{
{
name: "JSON",
encoding: template.EncodingJson,
data: jsonTemplate,
},
{
name: "YAML",
encoding: template.EncodingYaml,
data: yamlTemplate,
},
{
name: "JSONNET",
encoding: template.EncodingJsonnet,
data: jsonnetTemplate,
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
source := template.SourceFromReader(strings.NewReader(tc.data), tc.encoding)
tmpl, err := source.Read(context.Background())
require.NoError(t, err)
expected := api.TemplateApplyTemplate{
Sources: []string{source.Name + ".generated.json"},
Contents: parsed,
}
require.Equal(t, expected, tmpl)
})
}
}