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feat: add hasPrefix and hasSuffix template functions #2659

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feat: add hasPrefix and hasSuffix template functions #2659

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2 changes: 2 additions & 0 deletions pkg/codegen/template_helpers.go
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Original file line number Diff line number Diff line change
Expand Up @@ -539,6 +539,8 @@ var TemplateFunctions = template.FuncMap{
"getResponseTypeDefinitions": getResponseTypeDefinitions,
"toStringArray": toStringArray,
"lower": strings.ToLower,
"hasPrefix": strings.HasPrefix,
"hasSuffix": strings.HasSuffix,
"title": titleCaser.String,
"stripNewLines": stripNewLines,
"sanitizeGoIdentity": SanitizeGoIdentity,
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19 changes: 19 additions & 0 deletions pkg/codegen/template_helpers_test.go
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Original file line number Diff line number Diff line change
@@ -1,9 +1,12 @@
package codegen

import (
"bytes"
"testing"
"text/template"

"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)

func TestIsCustomHTTPMethod(t *testing.T) {
Expand All @@ -16,6 +19,22 @@ func TestIsCustomHTTPMethod(t *testing.T) {
}
}

func TestHasPrefixHasSuffixTemplateFuncs(t *testing.T) {
tmpl := template.Must(template.New("t").Funcs(TemplateFunctions).Parse(
`{{ if hasPrefix . "Get" }}p{{ end }}{{ if hasSuffix . "Response" }}s{{ end }}`))

for in, want := range map[string]string{
"GetPetResponse": "ps",
"GetPet": "p",
"PetResponse": "s",
"Pet": "",
} {
var buf bytes.Buffer
require.NoError(t, tmpl.Execute(&buf, in))
assert.Equal(t, want, buf.String(), in)
}
}

func TestCustomHTTPMethods(t *testing.T) {
// Standard-only specs yield nil so templates gated on the result emit
// nothing and existing generated code stays byte-identical.
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