59 lines
2.1 KiB
Go
59 lines
2.1 KiB
Go
//go:build integration
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package main
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import (
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"strings"
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"testing"
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"git.novox.be/novox/mesh-sdk/go/catalogue"
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)
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// A machine running grafana without influxdb says so (novox/hq ADR 0330 §7, issue 166): `plan` and
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// `node` list the optional requirement nothing assigned answers, and the requirement is left
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// absent rather than refused — influxdb is in the catalogue and is not installed for it.
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func TestPlanAndNodeListAnOptionalRequirementLeftUnbound(t *testing.T) {
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open := aMesh(t)
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ctx := t.Context()
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register(t, open, catalogue.Manifest{Module: "influxdb", Version: "1",
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Provides: catalogue.FromAnywhere("influxdb-api")})
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register(t, open, catalogue.Manifest{Module: "grafana", Version: "1",
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Requires: []string{"influxdb-api"}, OptionalRequires: map[string]bool{"influxdb-api": true},
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Resources: []map[string]any{{"id": "state", "type": "directory", "path": "/var/lib/grafana", "mode": "0700"}}})
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if _, err := assign(ctx, open, "laptop", "grafana"); err != nil {
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t.Fatalf("grafana could not be assigned on a mesh without influxdb: %v", err)
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}
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plan, _, err := resolveNode(ctx, open, "laptop")
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if err != nil {
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t.Fatal(err)
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}
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for _, m := range plan.Modules {
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if m.Module == "influxdb" {
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t.Fatal("influxdb was installed for grafana's optional requirement (ADR 0330 §3)")
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}
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}
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const said = "unbound influxdb-api, optional for grafana"
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if shown := printed(t, func() error { return showNode(ctx, open, "laptop") }); !strings.Contains(shown, said) {
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t.Errorf("node show laptop does not say influxdb-api is unbound:\n%s", shown)
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}
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// And once influxdb is assigned somewhere, grafana binds to it with no act on grafana.
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if _, err := assign(ctx, open, "anchor", "influxdb"); err != nil {
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t.Fatal(err)
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}
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plan, _, err = resolveNode(ctx, open, "laptop")
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if err != nil {
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t.Fatal(err)
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}
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if len(plan.Absent) != 0 {
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t.Fatalf("still absent after influxdb was assigned: %+v", plan.Absent)
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}
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var bound bool
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for _, n := range plan.Needs {
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bound = bound || n.For == "grafana" && n.Name == "influxdb-api" && n.From == "anchor"
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}
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if !bound {
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t.Fatalf("grafana was not bound to influxdb on anchor: %+v", plan.Needs)
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}
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}
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