Add url parse helper function for templates (#600)

## Tests
unit test

libs/template/helpers.go

@@ -2,6 +2,7 @@ package template
 
 import (
 	"fmt"
+	"net/url"
 	"regexp"
 	"text/template"
 )
@@ -18,6 +19,10 @@ var helperFuncs = template.FuncMap{
 	"fail": func(format string, args ...any) (any, error) {
 		return nil, ErrFail{fmt.Sprintf(format, args...)}
 	},
+	// Alias for https://pkg.go.dev/net/url#Parse. Allows usage of all methods of url.URL
+	"url": func(rawUrl string) (*url.URL, error) {
+		return url.Parse(rawUrl)
+	},
 	// Alias for https://pkg.go.dev/regexp#Compile. Allows usage of all methods of regexp.Regexp
 	"regexp": func(expr string) (*regexp.Regexp, error) {
 		return regexp.Compile(expr)

libs/template/helpers_test.go

@@ -39,3 +39,18 @@ func TestTemplateRegexpCompileFunction(t *testing.T) {
 	assert.Contains(t, content, "0:food")
 	assert.Contains(t, content, "1:fool")
 }
+
+func TestTemplateUrlFunction(t *testing.T) {
+	ctx := context.Background()
+	tmpDir := t.TempDir()
+
+	r, err := newRenderer(ctx, nil, "./testdata/urlparse-function/template", "./testdata/urlparse-function/library", tmpDir)
+
+	require.NoError(t, err)
+
+	err = r.walk()
+	assert.NoError(t, err)
+
+	assert.Len(t, r.files, 1)
+	assert.Equal(t, "https://www.databricks.com", string(r.files[0].content))
+}

libs/template/testdata/urlparse-function/template/hello.tmpl

@@ -0,0 +1,3 @@
+{{ with url "https://www.databricks.com/a/b?o=123#my-fragment" -}}
+{{- print .Scheme `://` .Host -}}
+{{- end -}}