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// Copyright 2025 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package aflow
import (
"fmt"
"maps"
"reflect"
"slices"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestTemplate(t *testing.T) {
type Test struct {
template string
vars map[string]reflect.Type
used []string
err string
}
tests := []Test{
{
template: `just text`,
},
{
template: `
{{if .bar}}
{{.foo}}
{{end}}
{{if $local := .bar}}
{{$local}}
{{end}}
`,
vars: map[string]reflect.Type{
"bar": reflect.TypeFor[bool](),
"foo": reflect.TypeFor[int](),
"baz": reflect.TypeFor[int](),
},
used: []string{"bar", "foo"},
},
{
template: `
{{if .bar}}
{{.foo}}
{{end}}
`,
vars: map[string]reflect.Type{
"bar": reflect.TypeFor[bool](),
},
err: "input foo is not provided",
},
}
for i, test := range tests {
t.Run(fmt.Sprint(i), func(t *testing.T) {
used, err := verifyTemplate(test.template, test.vars)
if err != nil {
assert.Equal(t, err.Error(), test.err)
return
}
require.Empty(t, test.err)
assert.ElementsMatch(t, slices.Collect(maps.Keys(used)), test.used)
})
}
}
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