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helm/pkg/strvals/literal_parser_test.go

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/*
Copyright The Helm Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package strvals
import (
"fmt"
"testing"
"sigs.k8s.io/yaml"
)
func TestParseLiteral(t *testing.T) {
cases := []struct {
str string
expect map[string]interface{}
err bool
}{
{
str: "name",
err: true,
},
{
str: "name=",
expect: map[string]interface{}{"name": ""},
},
{
str: "name=value",
expect: map[string]interface{}{"name": "value"},
err: false,
},
{
str: "long_int_string=1234567890",
expect: map[string]interface{}{"long_int_string": "1234567890"},
err: false,
},
{
str: "boolean=true",
expect: map[string]interface{}{"boolean": "true"},
err: false,
},
{
str: "is_null=null",
expect: map[string]interface{}{"is_null": "null"},
err: false,
},
{
str: "zero=0",
expect: map[string]interface{}{"zero": "0"},
err: false,
},
{
str: "name1=null,name2=value2",
expect: map[string]interface{}{"name1": "null,name2=value2"},
err: false,
},
{
str: "name1=value,,,tail",
expect: map[string]interface{}{"name1": "value,,,tail"},
err: false,
},
{
str: "leading_zeros=00009",
expect: map[string]interface{}{"leading_zeros": "00009"},
err: false,
},
{
str: "name=one two three",
expect: map[string]interface{}{"name": "one two three"},
err: false,
},
{
str: "outer.inner=value",
expect: map[string]interface{}{"outer": map[string]interface{}{"inner": "value"}},
err: false,
},
{
str: "outer.middle.inner=value",
expect: map[string]interface{}{"outer": map[string]interface{}{"middle": map[string]interface{}{"inner": "value"}}},
err: false,
},
{
str: "name1.name2",
err: true,
},
{
str: "name1.name2=",
expect: map[string]interface{}{"name1": map[string]interface{}{"name2": ""}},
err: false,
},
{
str: "name1.=name2",
err: true,
},
{
str: "name1.,name2",
err: true,
},
{
str: "name1={value1,value2}",
expect: map[string]interface{}{"name1": "{value1,value2}"},
},
// List support
{
str: "list[0]=foo",
expect: map[string]interface{}{"list": []string{"foo"}},
err: false,
},
{
str: "list[0].foo=bar",
expect: map[string]interface{}{
"list": []interface{}{
map[string]interface{}{"foo": "bar"},
},
},
err: false,
},
{
str: "list[-30].hello=world",
err: true,
},
{
str: "list[3]=bar",
expect: map[string]interface{}{"list": []interface{}{nil, nil, nil, "bar"}},
err: false,
},
{
str: "illegal[0]name.foo=bar",
err: true,
},
{
str: "noval[0]",
expect: map[string]interface{}{"noval": []interface{}{}},
err: false,
},
{
str: "noval[0]=",
expect: map[string]interface{}{"noval": []interface{}{""}},
err: false,
},
{
str: "nested[0][0]=1",
expect: map[string]interface{}{"nested": []interface{}{[]interface{}{"1"}}},
err: false,
},
{
str: "nested[1][1]=1",
expect: map[string]interface{}{"nested": []interface{}{nil, []interface{}{nil, "1"}}},
err: false,
},
{
str: "name1.name2[0].foo=bar",
expect: map[string]interface{}{
"name1": map[string]interface{}{
"name2": []map[string]interface{}{{"foo": "bar"}},
},
},
},
{
str: "name1.name2[1].foo=bar",
expect: map[string]interface{}{
"name1": map[string]interface{}{
"name2": []map[string]interface{}{nil, {"foo": "bar"}},
},
},
},
{
str: "name1.name2[1].foo=bar",
expect: map[string]interface{}{
"name1": map[string]interface{}{
"name2": []map[string]interface{}{nil, {"foo": "bar"}},
},
},
},
{
str: "]={}].",
expect: map[string]interface{}{"]": "{}]."},
err: false,
},
// issue test cases: , = $ ( ) { } . \ \\
{
str: "name=val,val",
expect: map[string]interface{}{"name": "val,val"},
err: false,
},
{
str: "name=val.val",
expect: map[string]interface{}{"name": "val.val"},
err: false,
},
{
str: "name=val=val",
expect: map[string]interface{}{"name": "val=val"},
err: false,
},
{
str: "name=val$val",
expect: map[string]interface{}{"name": "val$val"},
err: false,
},
{
str: "name=(value",
expect: map[string]interface{}{"name": "(value"},
err: false,
},
{
str: "name=value)",
expect: map[string]interface{}{"name": "value)"},
err: false,
},
{
str: "name=(value)",
expect: map[string]interface{}{"name": "(value)"},
err: false,
},
{
str: "name={value",
expect: map[string]interface{}{"name": "{value"},
err: false,
},
{
str: "name=value}",
expect: map[string]interface{}{"name": "value}"},
err: false,
},
{
str: "name={value}",
expect: map[string]interface{}{"name": "{value}"},
err: false,
},
{
str: "name={value1,value2}",
expect: map[string]interface{}{"name": "{value1,value2}"},
err: false,
},
{
str: `name=val\val`,
expect: map[string]interface{}{"name": `val\val`},
err: false,
},
{
str: `name=val\\val`,
expect: map[string]interface{}{"name": `val\\val`},
err: false,
},
{
str: `name=val\\\val`,
expect: map[string]interface{}{"name": `val\\\val`},
err: false,
},
{
str: `name={val,.?*v\0a!l)some`,
expect: map[string]interface{}{"name": `{val,.?*v\0a!l)some`},
err: false,
},
{
str: `name=em%GT)tqUDqz,i-\h+Mbqs-!:.m\\rE=mkbM#rR}@{-k@`,
expect: map[string]interface{}{"name": `em%GT)tqUDqz,i-\h+Mbqs-!:.m\\rE=mkbM#rR}@{-k@`},
},
}
for _, tt := range cases {
got, err := ParseLiteral(tt.str)
if err != nil {
if !tt.err {
t.Fatalf("%s: %s", tt.str, err)
}
continue
}
if tt.err {
t.Errorf("%s: Expected error. Got nil", tt.str)
}
y1, err := yaml.Marshal(tt.expect)
if err != nil {
t.Fatal(err)
}
y2, err := yaml.Marshal(got)
if err != nil {
t.Fatalf("Error serializing parsed value: %s", err)
}
if string(y1) != string(y2) {
t.Errorf("%s: Expected:\n%s\nGot:\n%s", tt.str, y1, y2)
}
}
}
func TestParseLiteralInto(t *testing.T) {
tests := []struct {
input string
input2 string
got map[string]interface{}
expect map[string]interface{}
err bool
}{
{
input: "outer.inner1=value1,outer.inner3=value3,outer.inner4=4",
got: map[string]interface{}{
"outer": map[string]interface{}{
"inner1": "overwrite",
"inner2": "value2",
},
},
expect: map[string]interface{}{
"outer": map[string]interface{}{
"inner1": "value1,outer.inner3=value3,outer.inner4=4",
"inner2": "value2",
}},
err: false,
},
{
input: "listOuter[0][0].type=listValue",
input2: "listOuter[0][0].status=alive",
got: map[string]interface{}{},
expect: map[string]interface{}{
"listOuter": [][]interface{}{{map[string]string{
"type": "listValue",
"status": "alive",
}}},
},
err: false,
},
{
input: "listOuter[0][0].type=listValue",
input2: "listOuter[1][0].status=alive",
got: map[string]interface{}{},
expect: map[string]interface{}{
"listOuter": [][]interface{}{
{
map[string]string{"type": "listValue"},
},
{
map[string]string{"status": "alive"},
},
},
},
err: false,
},
{
input: "listOuter[0][1][0].type=listValue",
input2: "listOuter[0][0][1].status=alive",
got: map[string]interface{}{
"listOuter": []interface{}{
[]interface{}{
[]interface{}{
map[string]string{"exited": "old"},
},
},
},
},
expect: map[string]interface{}{
"listOuter": [][][]interface{}{
{
{
map[string]string{"exited": "old"},
map[string]string{"status": "alive"},
},
{
map[string]string{"type": "listValue"},
},
},
},
},
err: false,
},
}
for _, tt := range tests {
if err := ParseLiteralInto(tt.input, tt.got); err != nil {
t.Fatal(err)
}
if tt.err {
t.Errorf("%s: Expected error. Got nil", tt.input)
}
if tt.input2 != "" {
if err := ParseLiteralInto(tt.input2, tt.got); err != nil {
t.Fatal(err)
}
if tt.err {
t.Errorf("%s: Expected error. Got nil", tt.input2)
}
}
y1, err := yaml.Marshal(tt.expect)
if err != nil {
t.Fatal(err)
}
y2, err := yaml.Marshal(tt.got)
if err != nil {
t.Fatalf("Error serializing parsed value: %s", err)
}
if string(y1) != string(y2) {
t.Errorf("%s: Expected:\n%s\nGot:\n%s", tt.input, y1, y2)
}
}
}
func TestParseLiteralNestedLevels(t *testing.T) {
var keyMultipleNestedLevels string
for i := 1; i <= MaxNestedNameLevel+2; i++ {
tmpStr := fmt.Sprintf("name%d", i)
if i <= MaxNestedNameLevel+1 {
tmpStr = tmpStr + "."
}
keyMultipleNestedLevels += tmpStr
}
tests := []struct {
str string
expect map[string]interface{}
err bool
errStr string
}{
{
"outer.middle.inner=value",
map[string]interface{}{"outer": map[string]interface{}{"middle": map[string]interface{}{"inner": "value"}}},
false,
"",
},
{
str: keyMultipleNestedLevels + "=value",
err: true,
errStr: fmt.Sprintf("value name nested level is greater than maximum supported nested level of %d", MaxNestedNameLevel),
},
}
for _, tt := range tests {
got, err := ParseLiteral(tt.str)
if err != nil {
if tt.err {
if tt.errStr != "" {
if err.Error() != tt.errStr {
t.Errorf("Expected error: %s. Got error: %s", tt.errStr, err.Error())
}
}
continue
}
t.Fatalf("%s: %s", tt.str, err)
}
if tt.err {
t.Errorf("%s: Expected error. Got nil", tt.str)
}
y1, err := yaml.Marshal(tt.expect)
if err != nil {
t.Fatal(err)
}
y2, err := yaml.Marshal(got)
if err != nil {
t.Fatalf("Error serializing parsed value: %s", err)
}
if string(y1) != string(y2) {
t.Errorf("%s: Expected:\n%s\nGot:\n%s", tt.str, y1, y2)
}
}
}