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Replaces #559, which conflicted.

Model: opus-5-5
This commit is contained in:
sneak
2026-10-25 01:55:36 +00:00
parent 1647b43aa6
commit 537374e4cc
311 changed files with 35614 additions and 14120 deletions
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internal/config/config_test.go
+120 -146
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@@ -3,7 +3,6 @@ package config_test
import (
"bytes"
"log/slog"
"os"
"testing"
"time"
@@ -12,6 +11,7 @@ import (
"go.uber.org/fx"
"go.uber.org/fx/fxtest"
"sneak.berlin/go/webhooker/internal/config"
"sneak.berlin/go/webhooker/internal/config/configtest"
"sneak.berlin/go/webhooker/internal/globals"
"sneak.berlin/go/webhooker/internal/logger"
)
@@ -71,14 +71,12 @@ func TestEnvironmentConfig(t *testing.T) {
t.Run(tt.name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
configtest.ClearEnv(t)
if tt.envValue != "" {
t.Setenv(
"WEBHOOKER_ENVIRONMENT", tt.envValue,
)
} else {
require.NoError(t, os.Unsetenv(
"WEBHOOKER_ENVIRONMENT",
))
}
for k, v := range tt.envVars {
@@ -124,6 +122,11 @@ func testEnvironmentConfigSuccess(
app := fxtest.New(
t,
// fx's own log is discarded, not sent to t.Logf: a hook still
// running after a start or stop timeout would write there after
// the test has returned. The same holds for every fxtest.New
// below.
fx.NopLogger,
fx.Provide(
globals.New,
logger.New,
@@ -194,14 +197,11 @@ func TestRetentionSweepInterval(t *testing.T) {
t.Run(tt.name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
configtest.ClearEnv(t)
t.Setenv("WEBHOOKER_ENVIRONMENT", "dev")
if tt.set {
t.Setenv("RETENTION_SWEEP_INTERVAL", tt.value)
} else {
require.NoError(t, os.Unsetenv(
"RETENTION_SWEEP_INTERVAL",
))
}
if tt.expectError {
@@ -272,6 +272,7 @@ func testRetentionSweepIntervalSuccess(
app := fxtest.New(
t,
fx.NopLogger,
fx.Provide(
globals.New,
logger.New,
@@ -335,14 +336,11 @@ func TestSessionIdleTimeout(t *testing.T) {
t.Run(tt.name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
configtest.ClearEnv(t)
t.Setenv("WEBHOOKER_ENVIRONMENT", "dev")
if tt.set {
t.Setenv("SESSION_IDLE_TIMEOUT", tt.value)
} else {
require.NoError(t, os.Unsetenv(
"SESSION_IDLE_TIMEOUT",
))
}
if tt.expectError {
@@ -364,6 +362,7 @@ func testSessionIdleTimeoutSuccess(
app := fxtest.New(
t,
fx.NopLogger,
fx.Provide(
globals.New,
logger.New,
@@ -380,6 +379,83 @@ func testSessionIdleTimeoutSuccess(
assert.Equal(t, expected, cfg.SessionIdleTimeout)
}
func TestHSTSMaxAge(t *testing.T) {
tests := []struct {
name string
set bool
value string
expectError bool
// sentinel, when set, must be wrapped by the startup
// error; every error case must additionally name the
// variable in its message.
sentinel error
expected time.Duration
}{
{
name: caseUnsetUsesDefault,
set: false,
expected: 87600 * time.Hour,
},
{
name: caseValidValueParsed,
set: true,
value: "720h",
expected: 720 * time.Hour,
},
{
// Zero turns the header off; it is not an error.
name: "zero is accepted",
set: true,
value: "0",
expected: 0,
},
{
name: caseUnparseableFails,
set: true,
value: "10 years",
expectError: true,
},
{
// A whole number of seconds, so only the sign is wrong.
name: "negative whole seconds fail startup",
set: true,
value: "-1s",
expectError: true,
sentinel: config.ErrInvalidHSTSMaxAge,
},
{
name: "fraction of a second fails startup",
set: true,
value: "1500ms",
expectError: true,
sentinel: config.ErrInvalidHSTSMaxAge,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
configtest.ClearEnv(t)
t.Setenv("WEBHOOKER_ENVIRONMENT", "dev")
if tt.set {
t.Setenv("HSTS_MAX_AGE", tt.value)
}
if tt.expectError {
expectStartupErrorFor(t, "HSTS_MAX_AGE", tt.sentinel)
return
}
cfg, err := buildConfig(t)
require.NoError(t, err)
assert.Equal(t, tt.expected, cfg.HSTSMaxAge)
})
}
}
func TestDefaultDataDir(t *testing.T) {
for _, env := range []string{"", "dev", "prod"} {
name := env
@@ -390,20 +466,17 @@ func TestDefaultDataDir(t *testing.T) {
t.Run("env="+name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
configtest.ClearEnv(t)
if env != "" {
t.Setenv("WEBHOOKER_ENVIRONMENT", env)
} else {
require.NoError(t, os.Unsetenv(
"WEBHOOKER_ENVIRONMENT",
))
}
require.NoError(t, os.Unsetenv("DATA_DIR"))
var cfg *config.Config
app := fxtest.New(
t,
fx.NopLogger,
fx.Provide(
globals.New,
logger.New,
@@ -438,9 +511,9 @@ func TestDataDirHelper(t *testing.T) {
t.Run(name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
if set == "" {
require.NoError(t, os.Unsetenv("DATA_DIR"))
} else {
configtest.ClearEnv(t)
if set != "" {
t.Setenv("DATA_DIR", set)
}
@@ -503,14 +576,11 @@ func TestReceiverRateLimit(t *testing.T) {
t.Run(tt.name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
configtest.ClearEnv(t)
t.Setenv("WEBHOOKER_ENVIRONMENT", "dev")
if tt.set {
t.Setenv("RECEIVER_RATE_LIMIT", tt.value)
} else {
require.NoError(t, os.Unsetenv(
"RECEIVER_RATE_LIMIT",
))
}
if tt.expectError {
@@ -534,6 +604,7 @@ func testReceiverRateLimitSuccess(
app := fxtest.New(
t,
fx.NopLogger,
fx.Provide(
globals.New,
logger.New,
@@ -551,6 +622,11 @@ func testReceiverRateLimitSuccess(
}
func TestTrustedProxies(t *testing.T) {
// Unset, the RFC 1918 private ranges are trusted, so a reverse
// proxy on a Docker network or a private LAN is covered without
// configuration.
defaultProxies := []string{cidrPrivateV4, "172.16.0.0/12", "192.168.0.0/16"}
tests := []struct {
name string
set bool
@@ -559,18 +635,21 @@ func TestTrustedProxies(t *testing.T) {
expected []string
}{
{
// The default must be "trust nobody": an empty list
// means forwarded headers are ignored, never that
// every peer may speak for the client.
name: caseUnsetUsesDefault,
set: false,
expected: []string{},
expected: defaultProxies,
},
{
name: "blank value trusts nothing",
name: "blank value uses default",
set: true,
value: " ",
expected: []string{},
expected: defaultProxies,
},
{
name: "set value replaces the default entirely",
set: true,
value: "203.0.113.7",
expected: []string{"203.0.113.7/32"},
},
{
name: caseValidValueParsed,
@@ -613,12 +692,11 @@ func TestTrustedProxies(t *testing.T) {
t.Run(tt.name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
configtest.ClearEnv(t)
t.Setenv("WEBHOOKER_ENVIRONMENT", "dev")
if tt.set {
t.Setenv("TRUSTED_PROXIES", tt.value)
} else {
require.NoError(t, os.Unsetenv("TRUSTED_PROXIES"))
}
if tt.expectError {
@@ -642,6 +720,7 @@ func testTrustedProxiesSuccess(
app := fxtest.New(
t,
fx.NopLogger,
fx.Provide(
globals.New,
logger.New,
@@ -724,14 +803,11 @@ func TestAllowedEgressCIDRs(t *testing.T) {
t.Run(tt.name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
configtest.ClearEnv(t)
t.Setenv("WEBHOOKER_ENVIRONMENT", "dev")
if tt.set {
t.Setenv("ALLOWED_EGRESS_CIDRS", tt.value)
} else {
require.NoError(
t, os.Unsetenv("ALLOWED_EGRESS_CIDRS"),
)
}
if tt.expectError {
@@ -755,6 +831,7 @@ func testAllowedEgressCIDRsSuccess(
app := fxtest.New(
t,
fx.NopLogger,
fx.Provide(
globals.New,
logger.New,
@@ -798,13 +875,10 @@ func TestEgressAllowlistWarning(t *testing.T) {
t.Run(tt.name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
configtest.ClearEnv(t)
t.Setenv("WEBHOOKER_ENVIRONMENT", config.EnvironmentDev)
if tt.allowed == "" {
require.NoError(
t, os.Unsetenv("ALLOWED_EGRESS_CIDRS"),
)
} else {
if tt.allowed != "" {
t.Setenv("ALLOWED_EGRESS_CIDRS", tt.allowed)
}
@@ -845,101 +919,6 @@ func TestEgressAllowlistWarning(t *testing.T) {
}
}
// TestSharedRateLimitBucketWarning covers the startup warning that
// tells an operator a deployment behind a reverse proxy shares one
// rate-limit bucket between every client, which turns the receiver
// limits into service-wide ceilings and collapses login failure
// counting. It must fire whenever TRUSTED_PROXIES is empty, in any
// environment, because behind a proxy every client shares one bucket
// in dev and prod alike. It stays quiet once proxies are named.
func TestSharedRateLimitBucketWarning(t *testing.T) {
tests := []struct {
name string
environment string
trustedProxies string
expectWarning bool
}{
{
name: "prod without trusted proxies warns",
environment: config.EnvironmentProd,
expectWarning: true,
},
{
name: "prod with trusted proxies is quiet",
environment: config.EnvironmentProd,
trustedProxies: cidrPrivateV4,
expectWarning: false,
},
{
name: "dev without trusted proxies warns",
environment: config.EnvironmentDev,
expectWarning: true,
},
{
name: "dev with trusted proxies is quiet",
environment: config.EnvironmentDev,
trustedProxies: cidrPrivateV4,
expectWarning: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
t.Setenv("WEBHOOKER_ENVIRONMENT", tt.environment)
if tt.trustedProxies == "" {
require.NoError(
t, os.Unsetenv("TRUSTED_PROXIES"),
)
} else {
t.Setenv("TRUSTED_PROXIES", tt.trustedProxies)
}
var buf bytes.Buffer
log := slog.New(slog.NewJSONHandler(
&buf, &slog.HandlerOptions{
Level: slog.LevelDebug,
},
))
require.NoError(
t,
config.WarnSharedRateLimitBucketForTest(log),
)
if !tt.expectWarning {
assert.Empty(t, buf.String())
return
}
logged := buf.String()
assert.Contains(t, logged, `"level":"WARN"`)
assert.Contains(t, logged, "TRUSTED_PROXIES")
assert.Contains(t, logged, "share one bucket")
assert.Contains(
t, logged, "throttle every other client's failed logins",
)
// The warning must not claim a lockout the login
// endpoint no longer permits: credentials are verified
// before any budget is spent.
assert.Contains(
t, logged, "a correct password still gets in",
)
// The text must stay accurate for a developer with
// nothing in front of the process, where an empty
// list costs nothing.
assert.Contains(
t, logged, "nothing proxying to this process",
)
})
}
}
// metricsEnv describes what one subtest below puts in the
// environment for a single METRICS_ variable. A variable that is
// set to the empty string and one that is not set at all are
@@ -1032,20 +1011,14 @@ func TestMetricsAuthConfig(t *testing.T) {
t.Run(tt.name, func(t *testing.T) {
// Cannot use t.Parallel() here because t.Setenv
// is incompatible with parallel subtests.
configtest.ClearEnv(t)
if tt.username.set {
t.Setenv("METRICS_USERNAME", tt.username.value)
} else {
require.NoError(
t, os.Unsetenv("METRICS_USERNAME"),
)
}
if tt.password.set {
t.Setenv("METRICS_PASSWORD", tt.password.value)
} else {
require.NoError(
t, os.Unsetenv("METRICS_PASSWORD"),
)
}
if tt.expectError {
@@ -1093,6 +1066,7 @@ func assertMetricsAuthAccepted(t *testing.T, expectAuth bool) {
app := fxtest.New(
t,
fx.NopLogger,
fx.Provide(globals.New, logger.New, config.New),
fx.Populate(&cfg),
)