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package sprig
import (
"bytes"
"fmt"
"math/rand"
"os"
"testing"
"text/template"
"time"
"github.com/stretchr/testify/assert"
)
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 TestBase(t *testing.T) {
assert.NoError(t, runt(`{{ base "foo/bar" }}`, "bar"))
}
func TestDir(t *testing.T) {
assert.NoError(t, runt(`{{ dir "foo/bar/baz" }}`, "foo/bar"))
}
func TestIsAbs(t *testing.T) {
assert.NoError(t, runt(`{{ isAbs "/foo" }}`, "true"))
assert.NoError(t, runt(`{{ isAbs "foo" }}`, "false"))
}
func TestClean(t *testing.T) {
assert.NoError(t, runt(`{{ clean "/foo/../foo/../bar" }}`, "/bar"))
}
func TestExt(t *testing.T) {
assert.NoError(t, runt(`{{ ext "/foo/bar/baz.txt" }}`, ".txt"))
}
func TestSnakeCase(t *testing.T) {
assert.NoError(t, runt(`{{ snakecase "FirstName" }}`, "first_name"))
assert.NoError(t, runt(`{{ snakecase "HTTPServer" }}`, "http_server"))
assert.NoError(t, runt(`{{ snakecase "NoHTTPS" }}`, "no_https"))
assert.NoError(t, runt(`{{ snakecase "GO_PATH" }}`, "go_path"))
assert.NoError(t, runt(`{{ snakecase "GO PATH" }}`, "go_path"))
assert.NoError(t, runt(`{{ snakecase "GO-PATH" }}`, "go_path"))
}
func TestCamelCase(t *testing.T) {
assert.NoError(t, runt(`{{ camelcase "http_server" }}`, "HttpServer"))
assert.NoError(t, runt(`{{ camelcase "_camel_case" }}`, "_CamelCase"))
assert.NoError(t, runt(`{{ camelcase "no_https" }}`, "NoHttps"))
assert.NoError(t, runt(`{{ camelcase "_complex__case_" }}`, "_Complex_Case_"))
assert.NoError(t, runt(`{{ camelcase "all" }}`, "All"))
}
func TestKebabCase(t *testing.T) {
assert.NoError(t, runt(`{{ kebabcase "FirstName" }}`, "first-name"))
assert.NoError(t, runt(`{{ kebabcase "HTTPServer" }}`, "http-server"))
assert.NoError(t, runt(`{{ kebabcase "NoHTTPS" }}`, "no-https"))
assert.NoError(t, runt(`{{ kebabcase "GO_PATH" }}`, "go-path"))
assert.NoError(t, runt(`{{ kebabcase "GO PATH" }}`, "go-path"))
assert.NoError(t, runt(`{{ kebabcase "GO-PATH" }}`, "go-path"))
}
func TestShuffle(t *testing.T) {
defer rand.Seed(time.Now().UnixNano())
rand.Seed(1)
// Because we're using a random number generator, we need these to go in
// a predictable sequence:
assert.NoError(t, runt(`{{ shuffle "Hello World" }}`, "rldo HWlloe"))
}
func TestRegex(t *testing.T) {
assert.NoError(t, runt(`{{ regexQuoteMeta "1.2.3" }}`, "1\\.2\\.3"))
assert.NoError(t, runt(`{{ regexQuoteMeta "pretzel" }}`, "pretzel"))
}
// runt runs a template and checks that the output exactly matches the expected string.
func runt(tpl, expect string) error {
return runtv(tpl, expect, map[string]string{})
}
// runtv takes a template, and expected return, and values for substitution.
//
// It runs the template and verifies that the output is an exact match.
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
}
// runRaw runs a template with the given variables and returns the result.
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
}
|
