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Run the GeoJS lookup tests on a clock the test controls (closes #73)
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The tests that have GeoJS asked now run in a synctest bubble, so a wait
lasts exactly as long as it should however slowly the test process runs:
a new client's wait is checked to be exactly one second, and its next
request exactly no wait. A request waiting on the network would stop the
bubble's clock, so the stand-in for GeoJS now answers in place of the
network, through a transport that a test-only file lets the tests set.
The test of the failure log uses an abandoned request instead of a
closed port.

Model: opus-5-5
This commit is contained in:
clawbot
2026-10-06 06:55:14 +00:00
parent df2c5042d2
commit 513c90d04e
3 changed files with 283 additions and 242 deletions
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internal/lookup/snapshot_test.go
+20 -17
View File
@@ -4,6 +4,7 @@ import (
"net/netip"
"slices"
"testing"
"testing/synctest"
"time"
"sneak.berlin/go/smallwebwaf/internal/lookup"
@@ -12,30 +13,32 @@ import (
func TestSnapshotHoldsEachAnswerAndWhenItWasLastUsed(t *testing.T) {
t.Parallel()
_, clock, g := start(t)
placed := netip.MustParsePrefix("203.0.113.9/32")
notPlaced := netip.MustParsePrefix(unplaced + "/32")
asked := clock.Now()
synctest.Test(t, func(t *testing.T) {
_, clock, g := start()
placed := netip.MustParsePrefix("203.0.113.9/32")
notPlaced := netip.MustParsePrefix(unplaced + "/32")
asked := clock.Now()
wantCountry(t, g, placed, germany)
wantCountry(t, g, notPlaced, "")
wantCountry(t, g, placed, germany)
wantCountry(t, g, notPlaced, "")
clock.advance(time.Hour)
wantCountry(t, g, placed, germany)
clock.advance(time.Hour)
wantCountry(t, g, placed, germany)
want := []lookup.Answer{
{Client: notPlaced, Country: "", Answered: asked, Used: asked},
{Client: placed, Country: germany, Answered: asked, Used: asked.Add(time.Hour)},
}
if got := g.Snapshot(); !slices.Equal(got, want) {
t.Errorf("snapshot\n%+v\nwant\n%+v", got, want)
}
want := []lookup.Answer{
{Client: notPlaced, Country: "", Answered: asked, Used: asked},
{Client: placed, Country: germany, Answered: asked, Used: asked.Add(time.Hour)},
}
if got := g.Snapshot(); !slices.Equal(got, want) {
t.Errorf("snapshot\n%+v\nwant\n%+v", got, want)
}
})
}
func TestLoadedAnswersAreKeptFor7DaysFromWhenGeoJSGaveThem(t *testing.T) {
t.Parallel()
geojs, clock, g := start(t)
geojs, clock, g := start()
now := clock.Now()
kept := lookup.Answer{
Client: netip.MustParsePrefix("203.0.113.9/32"),
@@ -65,7 +68,7 @@ func TestLoadDropsTheAnswerUsedLongestAgoFirst(t *testing.T) {
const maxAnswers = 100000
_, clock, g := start(t)
_, clock, g := start()
now := clock.Now()
// lookups.json lists the answers by client. Here each was last used a