163 lines
2.9 KiB
Go
163 lines
2.9 KiB
Go
package template
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestInterpolateHIL(t *testing.T) {
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for name, test := range map[string]struct {
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in string
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vars map[string]string
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exp string // when lower=false
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expLower string // when lower=true
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ok bool
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}{
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// valid HIL
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"empty": {
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"",
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map[string]string{},
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"",
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"",
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true,
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},
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"no vars": {
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"nothing",
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map[string]string{},
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"nothing",
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"nothing",
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true,
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},
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"just lowercase var": {
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"${item}",
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map[string]string{"item": "value"},
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"value",
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"value",
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true,
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},
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"just uppercase var": {
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"${item}",
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map[string]string{"item": "VaLuE"},
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"VaLuE",
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"value",
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true,
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},
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"lowercase var in middle": {
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"before ${item}after",
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map[string]string{"item": "value"},
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"before valueafter",
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"before valueafter",
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true,
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},
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"uppercase var in middle": {
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"before ${item}after",
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map[string]string{"item": "VaLuE"},
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"before VaLuEafter",
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"before valueafter",
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true,
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},
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"two vars": {
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"before ${item}after ${more}",
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map[string]string{"item": "value", "more": "xyz"},
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"before valueafter xyz",
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"before valueafter xyz",
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true,
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},
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"missing map val": {
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"${item}",
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map[string]string{"item": ""},
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"",
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"",
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true,
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},
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// "weird" HIL, but not technically invalid
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"just end": {
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"}",
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map[string]string{},
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"}",
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"}",
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true,
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},
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"var without start": {
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" item }",
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map[string]string{"item": "value"},
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" item }",
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" item }",
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true,
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},
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"two vars missing second start": {
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"before ${ item }after more }",
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map[string]string{"item": "value", "more": "xyz"},
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"before valueafter more }",
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"before valueafter more }",
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true,
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},
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// invalid HIL
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"just start": {
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"${",
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map[string]string{},
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"",
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"",
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false,
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},
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"backwards": {
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"}${",
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map[string]string{},
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"",
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"",
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false,
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},
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"no varname": {
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"${}",
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map[string]string{},
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"",
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"",
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false,
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},
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"missing map key": {
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"${item}",
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map[string]string{},
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"",
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"",
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false,
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},
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"var without end": {
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"${ item ",
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map[string]string{"item": "value"},
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"",
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"",
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false,
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},
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"two vars missing first end": {
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"before ${ item after ${ more }",
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map[string]string{"item": "value", "more": "xyz"},
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"",
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"",
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false,
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},
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} {
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test := test
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t.Run(name+" lower=false", func(t *testing.T) {
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out, err := InterpolateHIL(test.in, test.vars, false)
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if test.ok {
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require.NoError(t, err)
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require.Equal(t, test.exp, out)
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} else {
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require.NotNil(t, err)
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require.Equal(t, out, "")
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}
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})
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t.Run(name+" lower=true", func(t *testing.T) {
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out, err := InterpolateHIL(test.in, test.vars, true)
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if test.ok {
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require.NoError(t, err)
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require.Equal(t, test.expLower, out)
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} else {
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require.NotNil(t, err)
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require.Equal(t, out, "")
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}
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})
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}
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}
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