package xds import ( "fmt" "testing" "github.com/stretchr/testify/require" "github.com/hashicorp/consul/agent/proxycfg" "github.com/hashicorp/consul/agent/structs" ) func TestFirstHealthyTarget(t *testing.T) { passing := proxycfg.TestUpstreamNodesInStatus(t, "passing") warning := proxycfg.TestUpstreamNodesInStatus(t, "warning") critical := proxycfg.TestUpstreamNodesInStatus(t, "critical") warnOnlyPassingTarget := structs.NewDiscoveryTarget("all-warn", "", "default", "dc1") warnOnlyPassingTarget.Subset.OnlyPassing = true failOnlyPassingTarget := structs.NewDiscoveryTarget("all-fail", "", "default", "dc1") failOnlyPassingTarget.Subset.OnlyPassing = true targets := map[string]*structs.DiscoveryTarget{ "all-ok.default.dc1": structs.NewDiscoveryTarget("all-ok", "", "default", "dc1"), "all-warn.default.dc1": structs.NewDiscoveryTarget("all-warn", "", "default", "dc1"), "all-fail.default.dc1": structs.NewDiscoveryTarget("all-fail", "", "default", "dc1"), "all-warn-onlypassing.default.dc1": warnOnlyPassingTarget, "all-fail-onlypassing.default.dc1": failOnlyPassingTarget, } targetHealth := map[string]structs.CheckServiceNodes{ "all-ok.default.dc1": passing, "all-warn.default.dc1": warning, "all-fail.default.dc1": critical, "all-warn-onlypassing.default.dc1": warning, "all-fail-onlypassing.default.dc1": critical, } cases := []struct { primary string secondary []string expect string }{ { primary: "all-ok.default.dc1", expect: "all-ok.default.dc1", }, { primary: "all-warn.default.dc1", expect: "all-warn.default.dc1", }, { primary: "all-fail.default.dc1", expect: "all-fail.default.dc1", }, { primary: "all-warn-onlypassing.default.dc1", expect: "all-warn-onlypassing.default.dc1", }, { primary: "all-fail-onlypassing.default.dc1", expect: "all-fail-onlypassing.default.dc1", }, { primary: "all-ok.default.dc1", secondary: []string{ "all-warn.default.dc1", }, expect: "all-ok.default.dc1", }, { primary: "all-warn.default.dc1", secondary: []string{ "all-ok.default.dc1", }, expect: "all-warn.default.dc1", }, { primary: "all-warn-onlypassing.default.dc1", secondary: []string{ "all-ok.default.dc1", }, expect: "all-ok.default.dc1", }, { primary: "all-fail.default.dc1", secondary: []string{ "all-ok.default.dc1", }, expect: "all-ok.default.dc1", }, { primary: "all-fail-onlypassing.default.dc1", secondary: []string{ "all-ok.default.dc1", }, expect: "all-ok.default.dc1", }, { primary: "all-fail.default.dc1", secondary: []string{ "all-warn-onlypassing.default.dc1", "all-warn.default.dc1", "all-ok.default.dc1", }, expect: "all-warn.default.dc1", }, } for _, tc := range cases { tc := tc name := fmt.Sprintf("%s and %v", tc.primary, tc.secondary) t.Run(name, func(t *testing.T) { targetID := firstHealthyTarget(targets, targetHealth, tc.primary, tc.secondary) require.Equal(t, tc.expect, targetID) }) } }