41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
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package dns
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import (
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"testing"
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"github.com/hashicorp/consul/sdk/testutil/retry"
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"github.com/stretchr/testify/require"
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)
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func TestDNS_Recursor_StrategyRandom(t *testing.T) {
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configuredRecursors := []string{"1.1.1.1", "8.8.4.4", "8.8.8.8"}
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recursorStrategy := RecursorStrategy("random")
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retry.RunWith(&retry.Counter{Count: 5}, t, func(r *retry.R) {
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recursorsToQuery := make([]string, 0)
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for _, idx := range recursorStrategy.Indexes(len(configuredRecursors)) {
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recursorsToQuery = append(recursorsToQuery, configuredRecursors[idx])
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}
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// Ensure the slices contain the same elements
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require.ElementsMatch(t, configuredRecursors, recursorsToQuery)
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// Ensure the elements are not in the same order
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require.NotEqual(r, configuredRecursors, recursorsToQuery)
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})
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}
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func TestDNS_Recursor_StrategySequential(t *testing.T) {
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expectedRecursors := []string{"1.1.1.1", "8.8.4.4", "8.8.8.8"}
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recursorStrategy := RecursorStrategy("sequential")
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recursorsToQuery := make([]string, 0)
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for _, idx := range recursorStrategy.Indexes(len(expectedRecursors)) {
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recursorsToQuery = append(recursorsToQuery, expectedRecursors[idx])
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}
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// The list of recursors should match the order in which they were defined
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// in the configuration
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require.Equal(t, recursorsToQuery, expectedRecursors)
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}
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