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https://github.com/coredns/coredns.git
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ba7d5ff55a
Add more unit tests for metrics plugin, around registration deduplication, zone management, restart/shutdown behavior and context helpers. Increases test coverage from 54.8% to 76.1%. Signed-off-by: Ville Vesilehto <ville@vesilehto.fi>
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package metrics
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import (
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"testing"
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"github.com/coredns/caddy"
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)
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func TestPrometheusParse(t *testing.T) {
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tests := []struct {
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input string
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shouldErr bool
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addr string
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}{
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// oks
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{`prometheus`, false, "localhost:9153"},
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{`prometheus localhost:53`, false, "localhost:53"},
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// fails
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{`prometheus {}`, true, ""},
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{`prometheus /foo`, true, ""},
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{`prometheus a b c`, true, ""},
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}
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for i, test := range tests {
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c := caddy.NewTestController("dns", test.input)
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m, err := parse(c)
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if test.shouldErr && err == nil {
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t.Errorf("Test %v: Expected error but found nil", i)
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continue
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} else if !test.shouldErr && err != nil {
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t.Errorf("Test %v: Expected no error but found error: %v", i, err)
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continue
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}
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if test.shouldErr {
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continue
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}
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if test.addr != m.Addr {
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t.Errorf("Test %v: Expected address %s but found: %s", i, test.addr, m.Addr)
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}
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}
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}
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func TestSetupBasic(t *testing.T) {
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c := caddy.NewTestController("dns", "prometheus localhost:9153")
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if err := setup(c); err != nil {
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t.Fatalf("setup returned error: %v", err)
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}
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}
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