58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package interpolation
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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var defaults = map[string]string{
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"USER": "jenny",
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"FOO": "bar",
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}
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func defaultMapping(name string) (string, bool) {
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val, ok := defaults[name]
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return val, ok
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}
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func TestInterpolate(t *testing.T) {
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services := map[string]interface{}{
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"servicea": map[string]interface{}{
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"image": "example:${USER}",
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"volumes": []interface{}{"$FOO:/target"},
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"logging": map[string]interface{}{
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"driver": "${FOO}",
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"options": map[string]interface{}{
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"user": "$USER",
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},
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},
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},
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}
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expected := map[string]interface{}{
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"servicea": map[string]interface{}{
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"image": "example:jenny",
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"volumes": []interface{}{"bar:/target"},
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"logging": map[string]interface{}{
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"driver": "bar",
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"options": map[string]interface{}{
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"user": "jenny",
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},
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},
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},
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}
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result, err := Interpolate(services, "service", defaultMapping)
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assert.NoError(t, err)
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assert.Equal(t, expected, result)
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}
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func TestInvalidInterpolation(t *testing.T) {
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services := map[string]interface{}{
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"servicea": map[string]interface{}{
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"image": "${",
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},
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}
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_, err := Interpolate(services, "service", defaultMapping)
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assert.EqualError(t, err, `Invalid interpolation format for "image" option in service "servicea": "${". You may need to escape any $ with another $.`)
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}
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