helmfile/tmpl/tmpl_test.go

32 lines
794 B
Go

package tmpl
import (
"fmt"
"reflect"
"testing"
)
func TestRenderTemplate(t *testing.T) {
valuesYamlContent := `foo:
bar: BAR
`
expected := `foo:
bar: FOO_BAR
`
expectedFilename := "values.yaml"
ctx := &Context{readFile: func(filename string) ([]byte, error) {
if filename != expectedFilename {
return nil, fmt.Errorf("unexpected filename: expected=%v, actual=%s", expectedFilename, filename)
}
return []byte(valuesYamlContent), nil
}}
buf, err := ctx.RenderTemplateToBuffer(`{{ readFile "values.yaml" | fromYaml | setValueAtPath "foo.bar" "FOO_BAR" | toYaml }}`)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
actual := buf.String()
if !reflect.DeepEqual(actual, expected) {
t.Errorf("unexpected result: expected=%v, actual=%v", expected, actual)
}
}