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package grpc
import (
"strings"
"testing"
"github.com/coredns/caddy"
)
func TestSetupPolicy(t *testing.T) {
tests := []struct {
input string
shouldErr bool
expectedPolicy string
expectedErr string
}{
// positive
{"grpc . 127.0.0.1 {\npolicy random\n}\n", false, "random", ""},
{"grpc . 127.0.0.1 {\npolicy round_robin\n}\n", false, "round_robin", ""},
{"grpc . 127.0.0.1 {\npolicy sequential\n}\n", false, "sequential", ""},
// negative
{"grpc . 127.0.0.1 {\npolicy random2\n}\n", true, "random", "unknown policy"},
}
for i, test := range tests {
c := caddy.NewTestController("dns", test.input)
g, err := parseGRPC(c)
if test.shouldErr && err == nil {
t.Errorf("Test %d: expected error but found %s for input %s", i, err, test.input)
}
if err != nil {
if !test.shouldErr {
t.Errorf("Test %d: expected no error but found one for input %s, got: %v", i, test.input, err)
}
if !strings.Contains(err.Error(), test.expectedErr) {
t.Errorf("Test %d: expected error to contain: %v, found error: %v, input: %s", i, test.expectedErr, err, test.input)
}
}
if !test.shouldErr && g.p.String() != test.expectedPolicy {
t.Errorf("Test %d: expected: %s, got: %s", i, test.expectedPolicy, g.p.String())
}
}
}
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