protoc-gen-go-micro/vendor/github.com/Masterminds/sprig/functions_test.go
2016-12-20 11:31:46 +01:00

663 lines
15 KiB
Go

package sprig
import (
"bytes"
"encoding/base32"
"encoding/base64"
"fmt"
"math/rand"
"os"
"strings"
"testing"
"text/template"
"github.com/aokoli/goutils"
)
// This is woefully incomplete. Please help.
func TestSubstr(t *testing.T) {
tpl := `{{"fooo" | substr 0 3 }}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
}
func TestTrunc(t *testing.T) {
tpl := `{{ "foooooo" | trunc 3 }}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
}
func TestQuote(t *testing.T) {
tpl := `{{quote "a" "b" "c"}}`
if err := runt(tpl, `"a" "b" "c"`); err != nil {
t.Error(err)
}
tpl = `{{quote "\"a\"" "b" "c"}}`
if err := runt(tpl, `"\"a\"" "b" "c"`); err != nil {
t.Error(err)
}
tpl = `{{quote 1 2 3 }}`
if err := runt(tpl, `"1" "2" "3"`); err != nil {
t.Error(err)
}
}
func TestSquote(t *testing.T) {
tpl := `{{squote "a" "b" "c"}}`
if err := runt(tpl, `'a' 'b' 'c'`); err != nil {
t.Error(err)
}
tpl = `{{squote 1 2 3 }}`
if err := runt(tpl, `'1' '2' '3'`); err != nil {
t.Error(err)
}
}
func TestContains(t *testing.T) {
// Mainly, we're just verifying the paramater order swap.
tests := []string{
`{{if contains "cat" "fair catch"}}1{{end}}`,
`{{if hasPrefix "cat" "catch"}}1{{end}}`,
`{{if hasSuffix "cat" "ducat"}}1{{end}}`,
}
for _, tt := range tests {
if err := runt(tt, "1"); err != nil {
t.Error(err)
}
}
}
func TestTrim(t *testing.T) {
tests := []string{
`{{trim " 5.00 "}}`,
`{{trimAll "$" "$5.00$"}}`,
`{{trimPrefix "$" "$5.00"}}`,
`{{trimSuffix "$" "5.00$"}}`,
}
for _, tt := range tests {
if err := runt(tt, "5.00"); err != nil {
t.Error(err)
}
}
}
func TestAdd(t *testing.T) {
tpl := `{{ 3 | add 1 2}}`
if err := runt(tpl, `6`); err != nil {
t.Error(err)
}
}
func TestMul(t *testing.T) {
tpl := `{{ 1 | mul "2" 3 "4"}}`
if err := runt(tpl, `24`); err != nil {
t.Error(err)
}
}
func TestHtmlDate(t *testing.T) {
t.Skip()
tpl := `{{ htmlDate 0}}`
if err := runt(tpl, "1970-01-01"); err != nil {
t.Error(err)
}
}
func TestBiggest(t *testing.T) {
tpl := `{{ biggest 1 2 3 345 5 6 7}}`
if err := runt(tpl, `345`); err != nil {
t.Error(err)
}
tpl = `{{ max 345}}`
if err := runt(tpl, `345`); err != nil {
t.Error(err)
}
}
func TestMin(t *testing.T) {
tpl := `{{ min 1 2 3 345 5 6 7}}`
if err := runt(tpl, `1`); err != nil {
t.Error(err)
}
tpl = `{{ min 345}}`
if err := runt(tpl, `345`); err != nil {
t.Error(err)
}
}
func TestDefault(t *testing.T) {
tpl := `{{"" | default "foo"}}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
tpl = `{{default "foo" 234}}`
if err := runt(tpl, "234"); err != nil {
t.Error(err)
}
tpl = `{{default "foo" 2.34}}`
if err := runt(tpl, "2.34"); err != nil {
t.Error(err)
}
tpl = `{{ .Nothing | default "123" }}`
if err := runt(tpl, "123"); err != nil {
t.Error(err)
}
tpl = `{{ default "123" }}`
if err := runt(tpl, "123"); err != nil {
t.Error(err)
}
}
func TestToFloat64(t *testing.T) {
target := float64(102)
if target != toFloat64(int8(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int32(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int16(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int64(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64("102") {
t.Errorf("Expected 102")
}
if 0 != toFloat64("frankie") {
t.Errorf("Expected 0")
}
if target != toFloat64(uint16(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(uint64(102)) {
t.Errorf("Expected 102")
}
if 102.1234 != toFloat64(float64(102.1234)) {
t.Errorf("Expected 102.1234")
}
if 1 != toFloat64(true) {
t.Errorf("Expected 102")
}
}
func TestToInt64(t *testing.T) {
target := int64(102)
if target != toInt64(int8(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int32(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int16(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int64(102)) {
t.Errorf("Expected 102")
}
if target != toInt64("102") {
t.Errorf("Expected 102")
}
if 0 != toInt64("frankie") {
t.Errorf("Expected 0")
}
if target != toInt64(uint16(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(uint64(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(float64(102.1234)) {
t.Errorf("Expected 102")
}
if 1 != toInt64(true) {
t.Errorf("Expected 102")
}
}
func TestToInt(t *testing.T) {
target := int(102)
if target != toInt(int8(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int32(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int16(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int64(102)) {
t.Errorf("Expected 102")
}
if target != toInt("102") {
t.Errorf("Expected 102")
}
if 0 != toInt("frankie") {
t.Errorf("Expected 0")
}
if target != toInt(uint16(102)) {
t.Errorf("Expected 102")
}
if target != toInt(uint64(102)) {
t.Errorf("Expected 102")
}
if target != toInt(float64(102.1234)) {
t.Errorf("Expected 102")
}
if 1 != toInt(true) {
t.Errorf("Expected 102")
}
}
func TestEmpty(t *testing.T) {
tpl := `{{if empty 1}}1{{else}}0{{end}}`
if err := runt(tpl, "0"); err != nil {
t.Error(err)
}
tpl = `{{if empty 0}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
tpl = `{{if empty ""}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
tpl = `{{if empty 0.0}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
tpl = `{{if empty false}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
}
func TestSplit(t *testing.T) {
tpl := `{{$v := "foo$bar$baz" | split "$"}}{{$v._0}}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
}
type fixtureTO struct {
Name, Value string
}
func TestTypeOf(t *testing.T) {
f := &fixtureTO{"hello", "world"}
tpl := `{{typeOf .}}`
if err := runtv(tpl, "*sprig.fixtureTO", f); err != nil {
t.Error(err)
}
}
func TestKindOf(t *testing.T) {
tpl := `{{kindOf .}}`
f := fixtureTO{"hello", "world"}
if err := runtv(tpl, "struct", f); err != nil {
t.Error(err)
}
f2 := []string{"hello"}
if err := runtv(tpl, "slice", f2); err != nil {
t.Error(err)
}
var f3 *fixtureTO = nil
if err := runtv(tpl, "ptr", f3); err != nil {
t.Error(err)
}
}
func TestTypeIs(t *testing.T) {
f := &fixtureTO{"hello", "world"}
tpl := `{{if typeIs "*sprig.fixtureTO" .}}t{{else}}f{{end}}`
if err := runtv(tpl, "t", f); err != nil {
t.Error(err)
}
f2 := "hello"
if err := runtv(tpl, "f", f2); err != nil {
t.Error(err)
}
}
func TestTypeIsLike(t *testing.T) {
f := "foo"
tpl := `{{if typeIsLike "string" .}}t{{else}}f{{end}}`
if err := runtv(tpl, "t", f); err != nil {
t.Error(err)
}
// Now make a pointer. Should still match.
f2 := &f
if err := runtv(tpl, "t", f2); err != nil {
t.Error(err)
}
}
func TestKindIs(t *testing.T) {
f := &fixtureTO{"hello", "world"}
tpl := `{{if kindIs "ptr" .}}t{{else}}f{{end}}`
if err := runtv(tpl, "t", f); err != nil {
t.Error(err)
}
f2 := "hello"
if err := runtv(tpl, "f", f2); err != nil {
t.Error(err)
}
}
func TestEnv(t *testing.T) {
os.Setenv("FOO", "bar")
tpl := `{{env "FOO"}}`
if err := runt(tpl, "bar"); err != nil {
t.Error(err)
}
}
func TestExpandEnv(t *testing.T) {
os.Setenv("FOO", "bar")
tpl := `{{expandenv "Hello $FOO"}}`
if err := runt(tpl, "Hello bar"); err != nil {
t.Error(err)
}
}
func TestBase64EncodeDecode(t *testing.T) {
magicWord := "coffee"
expect := base64.StdEncoding.EncodeToString([]byte(magicWord))
if expect == magicWord {
t.Fatal("Encoder doesn't work.")
}
tpl := `{{b64enc "coffee"}}`
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
tpl = fmt.Sprintf("{{b64dec %q}}", expect)
if err := runt(tpl, magicWord); err != nil {
t.Error(err)
}
}
func TestBase32EncodeDecode(t *testing.T) {
magicWord := "coffee"
expect := base32.StdEncoding.EncodeToString([]byte(magicWord))
if expect == magicWord {
t.Fatal("Encoder doesn't work.")
}
tpl := `{{b32enc "coffee"}}`
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
tpl = fmt.Sprintf("{{b32dec %q}}", expect)
if err := runt(tpl, magicWord); err != nil {
t.Error(err)
}
}
func TestGoutils(t *testing.T) {
tests := map[string]string{
`{{abbrev 5 "hello world"}}`: "he...",
`{{abbrevboth 5 10 "1234 5678 9123"}}`: "...5678...",
`{{nospace "h e l l o "}}`: "hello",
`{{untitle "First Try"}}`: "first try", //https://youtu.be/44-RsrF_V_w
`{{initials "First Try"}}`: "FT",
`{{wrap 5 "Hello World"}}`: "Hello\nWorld",
`{{wrapWith 5 "\t" "Hello World"}}`: "Hello\tWorld",
}
for k, v := range tests {
t.Log(k)
if err := runt(k, v); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
}
}
func TestRandom(t *testing.T) {
// One of the things I love about Go:
goutils.RANDOM = rand.New(rand.NewSource(1))
// Because we're using a random number generator, we need these to go in
// a predictable sequence:
if err := runt(`{{randAlphaNum 5}}`, "9bzRv"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
if err := runt(`{{randAlpha 5}}`, "VjwGe"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
if err := runt(`{{randAscii 5}}`, "1KA5p"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
if err := runt(`{{randNumeric 5}}`, "26018"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
}
func TestCat(t *testing.T) {
tpl := `{{$b := "b"}}{{"c" | cat "a" $b}}`
if err := runt(tpl, "a b c"); err != nil {
t.Error(err)
}
}
func TestIndent(t *testing.T) {
tpl := `{{indent 4 "a\nb\nc"}}`
if err := runt(tpl, " a\n b\n c"); err != nil {
t.Error(err)
}
}
func TestReplace(t *testing.T) {
tpl := `{{"I Am Henry VIII" | replace " " "-"}}`
if err := runt(tpl, "I-Am-Henry-VIII"); err != nil {
t.Error(err)
}
}
func TestPlural(t *testing.T) {
tpl := `{{$num := len "two"}}{{$num}} {{$num | plural "1 char" "chars"}}`
if err := runt(tpl, "3 chars"); err != nil {
t.Error(err)
}
tpl = `{{len "t" | plural "cheese" "%d chars"}}`
if err := runt(tpl, "cheese"); err != nil {
t.Error(err)
}
}
func TestSha256Sum(t *testing.T) {
tpl := `{{"abc" | sha256sum}}`
if err := runt(tpl, "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"); err != nil {
t.Error(err)
}
}
func TestTuple(t *testing.T) {
tpl := `{{$t := tuple 1 "a" "foo"}}{{index $t 2}}{{index $t 0 }}{{index $t 1}}`
if err := runt(tpl, "foo1a"); err != nil {
t.Error(err)
}
}
func TestDict(t *testing.T) {
tpl := `{{$d := dict 1 2 "three" "four" 5}}{{range $k, $v := $d}}{{$k}}{{$v}}{{end}}`
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if len(out) != 12 {
t.Errorf("Expected length 12, got %d", len(out))
}
// dict does not guarantee ordering because it is backed by a map.
if !strings.Contains(out, "12") {
t.Error("Expected grouping 12")
}
if !strings.Contains(out, "threefour") {
t.Error("Expected grouping threefour")
}
if !strings.Contains(out, "5") {
t.Error("Expected 5")
}
tpl = `{{$t := dict "I" "shot" "the" "albatross"}}{{$t.the}} {{$t.I}}`
if err := runt(tpl, "albatross shot"); err != nil {
t.Error(err)
}
}
func TestUntil(t *testing.T) {
tests := map[string]string{
`{{range $i, $e := until 5}}{{$i}}{{$e}}{{end}}`: "0011223344",
`{{range $i, $e := until -5}}{{$i}}{{$e}} {{end}}`: "00 1-1 2-2 3-3 4-4 ",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestUntilStep(t *testing.T) {
tests := map[string]string{
`{{range $i, $e := untilStep 0 5 1}}{{$i}}{{$e}}{{end}}`: "0011223344",
`{{range $i, $e := untilStep 3 6 1}}{{$i}}{{$e}}{{end}}`: "031425",
`{{range $i, $e := untilStep 0 -10 -2}}{{$i}}{{$e}} {{end}}`: "00 1-2 2-4 3-6 4-8 ",
`{{range $i, $e := untilStep 3 0 1}}{{$i}}{{$e}}{{end}}`: "",
`{{range $i, $e := untilStep 3 99 0}}{{$i}}{{$e}}{{end}}`: "",
`{{range $i, $e := untilStep 3 99 -1}}{{$i}}{{$e}}{{end}}`: "",
`{{range $i, $e := untilStep 3 0 0}}{{$i}}{{$e}}{{end}}`: "",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestDelete(t *testing.T) {
fmap := TxtFuncMap()
delete(fmap, "split")
if _, ok := fmap["split"]; ok {
t.Error("Failed to delete split from map")
}
}
// NOTE(bacongobbler): this test is really _slow_ because of how long it takes to compute
// and generate a new crypto key.
func TestGenPrivateKey(t *testing.T) {
// test that calling by default generates an RSA private key
tpl := `{{genPrivateKey ""}}`
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "RSA PRIVATE KEY") {
t.Error("Expected RSA PRIVATE KEY")
}
// test all acceptable arguments
tpl = `{{genPrivateKey "rsa"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "RSA PRIVATE KEY") {
t.Error("Expected RSA PRIVATE KEY")
}
tpl = `{{genPrivateKey "dsa"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "DSA PRIVATE KEY") {
t.Error("Expected DSA PRIVATE KEY")
}
tpl = `{{genPrivateKey "ecdsa"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "EC PRIVATE KEY") {
t.Error("Expected EC PRIVATE KEY")
}
// test bad
tpl = `{{genPrivateKey "bad"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if out != "Unknown type bad" {
t.Error("Expected type 'bad' to be an unknown crypto algorithm")
}
// ensure that we can base64 encode the string
tpl = `{{genPrivateKey "rsa" | b64enc}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
}
func TestUUIDGeneration(t *testing.T) {
tpl := `{{uuidv4}}`
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if len(out) != 36 {
t.Error("Expected UUID of length 36")
}
out2, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if out == out2 {
t.Error("Expected subsequent UUID generations to be different")
}
}
func runt(tpl, expect string) error {
return runtv(tpl, expect, map[string]string{})
}
func runtv(tpl, expect string, vars interface{}) error {
fmap := TxtFuncMap()
t := template.Must(template.New("test").Funcs(fmap).Parse(tpl))
var b bytes.Buffer
err := t.Execute(&b, vars)
if err != nil {
return err
}
if expect != b.String() {
return fmt.Errorf("Expected '%s', got '%s'", expect, b.String())
}
return nil
}
func runRaw(tpl string, vars interface{}) (string, error) {
fmap := TxtFuncMap()
t := template.Must(template.New("test").Funcs(fmap).Parse(tpl))
var b bytes.Buffer
err := t.Execute(&b, vars)
if err != nil {
return "", err
}
return b.String(), nil
}