64 lines
1.1 KiB
Go
64 lines
1.1 KiB
Go
package template
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import (
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"errors"
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"html/template"
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"testing"
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)
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func TestRendererRender(t *testing.T) {
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tpl, _ := template.New("").Parse("Hello {{.Name}}!")
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tpl.Option("missingkey=error") // enforce execute errors
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scenarios := map[string]struct {
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renderer *Renderer
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data any
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expectedHasErr bool
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expectedResult string
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}{
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"with nil template": {
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&Renderer{},
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nil,
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true,
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"",
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},
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"with parse error": {
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&Renderer{
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template: tpl,
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parseError: errors.New("test"),
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},
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nil,
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true,
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"",
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},
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"with execute error": {
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&Renderer{template: tpl},
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nil,
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true,
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"",
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},
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"no error": {
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&Renderer{template: tpl},
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struct{ Name string }{"world"},
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false,
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"Hello world!",
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},
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}
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for name, s := range scenarios {
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t.Run(name, func(t *testing.T) {
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result, err := s.renderer.Render(s.data)
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hasErr := err != nil
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if s.expectedHasErr != hasErr {
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t.Fatalf("Expected hasErr %v, got %v (%v)", s.expectedHasErr, hasErr, err)
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}
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if s.expectedResult != result {
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t.Fatalf("Expected result %v, got %v", s.expectedResult, result)
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}
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})
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}
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}
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