115 lines
3.4 KiB
Go
115 lines
3.4 KiB
Go
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package api
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func TestAPI_Internal_AssignServiceVirtualIP(t *testing.T) {
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t.Parallel()
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doTest_Internal_AssignServiceVirtualIP(t, &WriteOptions{
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Namespace: defaultNamespace,
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Partition: defaultPartition,
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})
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}
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func doTest_Internal_AssignServiceVirtualIP(t *testing.T, writeOpts *WriteOptions) {
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c, s := makeClient(t)
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defer s.Stop()
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ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
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defer cancel()
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if writeOpts.Partition != "" {
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_, _, err := c.Partitions().Create(ctx, &Partition{Name: writeOpts.Partition}, nil)
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require.NoError(t, err)
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}
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if writeOpts.Namespace != "" {
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_, _, err := c.Namespaces().Create(&Namespace{Name: writeOpts.Namespace, Partition: writeOpts.Partition}, nil)
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require.NoError(t, err)
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}
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// Create resolvers that we can attach VIPs to.
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for _, name := range []string{"one", "two", "three"} {
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ok, _, err := c.ConfigEntries().Set(&ServiceResolverConfigEntry{
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Kind: ServiceResolver,
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Name: name,
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Namespace: writeOpts.Namespace,
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Partition: writeOpts.Partition,
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}, writeOpts)
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require.NoError(t, err)
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require.True(t, ok)
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}
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tests := []struct {
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tName string
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svcName string
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vips []string
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expectFound bool
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expectUnassignedFrom []PeeredServiceName
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}{
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{
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tName: "missing service is no-op",
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svcName: "missing",
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vips: []string{"1.1.1.1", "2.2.2.2"},
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expectFound: false,
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expectUnassignedFrom: nil,
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},
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{
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tName: "set vips for one",
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svcName: "one",
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vips: []string{"1.1.1.1", "2.2.2.2", "3.3.3.3"},
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expectFound: true,
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expectUnassignedFrom: nil,
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},
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{
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tName: "move vip to two",
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svcName: "two",
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vips: []string{"2.2.2.2"},
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expectFound: true,
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expectUnassignedFrom: []PeeredServiceName{
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{ServiceName: CompoundServiceName{Name: "one", Namespace: writeOpts.Namespace, Partition: writeOpts.Partition}},
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},
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},
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{
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tName: "move vip to three",
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svcName: "three",
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vips: []string{"3.3.3.3"},
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expectFound: true,
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expectUnassignedFrom: []PeeredServiceName{
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{ServiceName: CompoundServiceName{Name: "one", Namespace: writeOpts.Namespace, Partition: writeOpts.Partition}},
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},
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},
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{
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tName: "no-op try move vips to missing",
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svcName: "missing",
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vips: []string{"1.1.1.1", "2.2.2.2", "3.3.3.3"},
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expectFound: false,
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expectUnassignedFrom: nil,
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},
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{
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tName: "move all vips back to one",
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svcName: "one",
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vips: []string{"1.1.1.1", "2.2.2.2", "3.3.3.3", "4.4.4.4"},
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expectFound: true,
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expectUnassignedFrom: []PeeredServiceName{
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{ServiceName: CompoundServiceName{Name: "two", Namespace: writeOpts.Namespace, Partition: writeOpts.Partition}},
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{ServiceName: CompoundServiceName{Name: "three", Namespace: writeOpts.Namespace, Partition: writeOpts.Partition}},
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},
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},
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}
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internal := c.Internal()
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for _, tc := range tests {
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t.Run(tc.tName, func(t *testing.T) {
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resp, _, err := internal.AssignServiceVirtualIP(ctx, tc.svcName, tc.vips, writeOpts)
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require.NoError(t, err)
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require.Equal(t, tc.expectFound, resp.ServiceFound)
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require.ElementsMatch(t, tc.expectUnassignedFrom, resp.UnassignedFrom)
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})
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}
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}
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