53 lines
2.4 KiB
Go
53 lines
2.4 KiB
Go
package catalogue
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import (
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"strings"
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"testing"
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)
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// A module rolls out by default; it records where it says so with why, where it keeps irreplaceable
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// data, and always where it is the bus (novox/hq ADR 0236).
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func TestWhereAModulesUpgradePolicyComesFrom(t *testing.T) {
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cases := []struct {
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name string
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m Manifest
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policy, from string
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}{
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{"default", Manifest{Module: "app"}, PolicyRoll, FromDefault},
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{"says record", Manifest{Module: "db", Upgrade: &UpgradePolicy{Policy: PolicyRecord, Why: "a restart costs"}},
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PolicyRecord, FromModule},
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{"says together", Manifest{Module: "dns", Upgrade: &UpgradePolicy{Policy: PolicyTogether, Why: "one zone"}},
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PolicyTogether, FromModule},
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{"irreplaceable data", Manifest{Module: "media", Data: &Data{Own: []DataItem{{ID: "library", Class: ClassIrreplaceable}}}},
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PolicyRecord, FromData},
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{"valuable data rolls", Manifest{Module: "notes", Data: &Data{Own: []DataItem{{ID: "db", Class: ClassValuable}}}},
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PolicyRoll, FromDefault},
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{"irreplaceable but says roll", Manifest{Module: "photos", Upgrade: &UpgradePolicy{Policy: PolicyRoll},
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Data: &Data{Own: []DataItem{{ID: "originals", Class: ClassIrreplaceable}}}}, PolicyRoll, FromModule},
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{"the bus, whatever it says", Manifest{Module: "nats", Provides: []Offer{{Name: "mesh-bus"}},
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Upgrade: &UpgradePolicy{Policy: PolicyRoll}}, PolicyRecord, FromBus},
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}
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for _, c := range cases {
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policy, from, _ := DerivedUpgrade(c.m)
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if policy != c.policy || from != c.from {
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t.Errorf("%s: %s from %s, want %s from %s", c.name, policy, from, c.policy, c.from)
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}
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}
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}
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// A policy other than roll says why, and an unknown one is refused.
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func TestAnUpgradePolicySaysWhy(t *testing.T) {
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for _, u := range []UpgradePolicy{{Policy: PolicyRecord}, {Policy: PolicyTogether}, {Policy: "sometimes", Why: "x"}} {
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if problems := (Manifest{Module: "m", Upgrade: &u}).upgradeProblems(); len(problems) == 0 {
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t.Errorf("%+v was accepted", u)
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}
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}
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if problems := (Manifest{Module: "m", Upgrade: &UpgradePolicy{Policy: PolicyRecord, Why: "a restart costs"}}).upgradeProblems(); len(problems) != 0 {
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t.Errorf("a record with why was refused: %v", problems)
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}
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if _, err := ParseManifest([]byte(`{"module":"m","upgrade":{"policy":"record"}}`)); err == nil ||
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!strings.Contains(err.Error(), "says why") {
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t.Errorf("a manifest recording without why parsed: %v", err)
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}
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}
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