86 lines
2.5 KiB
Go
86 lines
2.5 KiB
Go
package multicluster
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import (
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"strings"
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"testing"
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"github.com/coredns/caddy"
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"github.com/coredns/coredns/plugin/pkg/fall"
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)
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func TestParseStanza(t *testing.T) {
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tests := []struct {
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input string // Corefile data as string
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shouldErr bool // true if test case is expected to produce an error.
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expectedErrContent string // substring from the expected error. Empty for positive cases.
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expectedZoneCount int // expected count of defined zones.
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expectedFallthrough fall.F
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}{
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// positive
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{
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`multicluster clusterset.local`,
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false,
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"",
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1,
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fall.Zero,
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},
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{
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`multicluster coredns.local clusterset.local`,
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false,
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"",
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2,
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fall.Zero,
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},
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{
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`multicluster coredns.local clusterset.local {
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fallthrough
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}`,
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false,
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"",
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2,
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fall.Root,
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},
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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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k8sController, err := ParseStanza(c)
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if test.shouldErr && err == nil {
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t.Errorf("Test %d: Expected error, but did not find error for input '%s'. Error was: '%v'", i, test.input, err)
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}
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if err != nil {
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if !test.shouldErr {
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t.Errorf("Test %d: Expected no error but found one for input %s. Error was: %v", i, test.input, err)
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continue
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}
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if test.shouldErr && (len(test.expectedErrContent) < 1) {
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t.Fatalf("Test %d: Test marked as expecting an error, but no expectedErrContent provided for input '%s'. Error was: '%v'", i, test.input, err)
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}
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if test.shouldErr && (test.expectedZoneCount >= 0) {
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t.Errorf("Test %d: Test marked as expecting an error, but provides value for expectedZoneCount!=-1 for input '%s'. Error was: '%v'", i, test.input, err)
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}
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if !strings.Contains(err.Error(), test.expectedErrContent) {
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t.Errorf("Test %d: Expected error to contain: %v, found error: %v, input: %s", i, test.expectedErrContent, err, test.input)
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}
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continue
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}
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// No error was raised, so validate initialization of k8sController
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// Zones
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foundZoneCount := len(k8sController.Zones)
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if foundZoneCount != test.expectedZoneCount {
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t.Errorf("Test %d: Expected kubernetes controller to be initialized with %d zones, instead found %d zones: '%v' for input '%s'", i, test.expectedZoneCount, foundZoneCount, k8sController.Zones, test.input)
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}
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// fallthrough
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if !k8sController.Fall.Equal(test.expectedFallthrough) {
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t.Errorf("Test %d: Expected kubernetes controller to be initialized with fallthrough '%v'. Instead found fallthrough '%v' for input '%s'", i, test.expectedFallthrough, k8sController.Fall, test.input)
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}
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}
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}
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