Vladimir Zagainov
6bebfa86fe
fix(test): add missing os import to test files chore(deps): update dependencies from go mod tidy
394 lines
11 KiB
Go
394 lines
11 KiB
Go
package main
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import (
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"context"
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"fmt"
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"testing"
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"os"
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"time"
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"github.com/go-redis/redis/v8"
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"trip-planner/internal/cache"
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"trip-planner/internal/metrics"
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"trip-planner/internal/yandex"
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)
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func newMockMonitor(id string, tripCount int, scheduleFunc func(context.Context, string) (int, error)) *StationMonitor {
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// Read Redis address from environment, default to localhost:6379
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redisAddr := os.Getenv("REDIS_ADDR")
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if redisAddr == "" {
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redisAddr = "localhost:6379"
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}
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rc := redis.NewClient(&redis.Options{
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Addr: redisAddr,
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Password: "",
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DB: 0,
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})
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yc := yandex.NewClient("test-key")
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monitor := &StationMonitor{
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ID: id,
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Yandex: yc,
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Cache: cache.NewCacheStore(rc, metrics.New()),
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ScheduleFunc: scheduleFunc,
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}
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// If no ScheduleFunc provided, set up default that returns tripCount
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if monitor.ScheduleFunc == nil {
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monitor.ScheduleFunc = func(ctx context.Context, stationID string) (int, error) {
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return tripCount, nil
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}
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}
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return monitor
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}
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const testMonitorID = "test-station"
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// TestProcessStation_WithTrips verifies that a station with trips today
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// gets status "active" and zero-trip day count resets to 0.
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func TestProcessStation_WithTrips(t *testing.T) {
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t.Helper()
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// Read Redis address from environment, default to localhost:6379
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redisAddr := os.Getenv("REDIS_ADDR")
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if redisAddr == "" {
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redisAddr = "localhost:6379"
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}
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rc := redis.NewClient(&redis.Options{
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Addr: redisAddr,
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Password: "",
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DB: 0,
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})
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defer rc.Close()
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ctx := context.Background()
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// Flush Redis database for test isolation
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rc.FlushDB(ctx)
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monitor := newMockMonitor(testMonitorID, 2, nil)
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// Process the station - should have trips and status should be active
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err := ProcessStation(ctx, monitor)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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// Check that status was set to active
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statusData, err := monitor.Cache.Get(ctx, stationStatusKey(testMonitorID))
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if err != nil {
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t.Fatalf("cache get error: %v", err)
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}
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if string(statusData) != string(StatusActive) {
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t.Errorf("expected status active, got %s", string(statusData))
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}
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// Check that zero days was reset to 0
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zeroDaysData, err := monitor.Cache.Get(ctx, zeroDaysKey(testMonitorID))
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if err != nil {
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t.Fatalf("cache get zero days error: %v", err)
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}
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var zeroDays int
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_, err = fmt.Sscanf(string(zeroDaysData), "%d", &zeroDays)
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if err != nil {
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t.Fatalf("failed to parse zero days: %v", err)
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}
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if zeroDays != 0 {
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t.Errorf("expected zero days 0, got %d", zeroDays)
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}
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}
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// TestProcessStation_ZeroTrips_IncrementsCount verifies that a station
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// with 0 trips increments the zero-trip day count.
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func TestProcessStation_ZeroTrips_IncrementsCount(t *testing.T) {
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t.Helper()
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// Read Redis address from environment, default to localhost:6379
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redisAddr := os.Getenv("REDIS_ADDR")
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if redisAddr == "" {
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redisAddr = "localhost:6379"
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}
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rc := redis.NewClient(&redis.Options{
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Addr: redisAddr,
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Password: "",
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DB: 0,
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})
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defer rc.Close()
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ctx := context.Background()
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// Flush Redis database for test isolation
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rc.FlushDB(ctx)
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// Monitor with 0 trips (schedule func returns 0)
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monitor := newMockMonitor(testMonitorID, 0, nil)
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// First call: 0 trips, status should remain active (zero days = 1)
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err := ProcessStation(ctx, monitor)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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// Check that zero days was incremented to 1
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statusData, err := monitor.Cache.Get(ctx, stationStatusKey(testMonitorID))
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if err != nil {
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t.Fatalf("cache get error: %v", err)
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}
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if string(statusData) != string(StatusActive) {
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t.Errorf("expected status active after first call, got %s", string(statusData))
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}
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zeroDaysData, err := monitor.Cache.Get(ctx, zeroDaysKey(testMonitorID))
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if err != nil {
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t.Fatalf("cache get zero days error: %v", err)
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}
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var zeroDays int
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_, err = fmt.Sscanf(string(zeroDaysData), "%d", &zeroDays)
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if err != nil {
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t.Fatalf("failed to parse zero days: %v", err)
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}
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if zeroDays != 1 {
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t.Errorf("expected zero days 1 after first call, got %d", zeroDays)
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}
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}
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// TestProcessStation_ZeroTrips_3Days_Closes verifies that a station
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// with 3 consecutive days of zero trips gets status "closed".
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func TestProcessStation_ZeroTrips_3Days_Closes(t *testing.T) {
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t.Helper()
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// Read Redis address from environment, default to localhost:6379
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redisAddr := os.Getenv("REDIS_ADDR")
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if redisAddr == "" {
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redisAddr = "localhost:6379"
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}
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rc := redis.NewClient(&redis.Options{
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Addr: redisAddr,
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Password: "",
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DB: 0,
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})
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defer rc.Close()
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ctx := context.Background()
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// Flush Redis database for test isolation
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rc.FlushDB(ctx)
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// Monitor with 0 trips each day
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monitor := newMockMonitor(testMonitorID, 0, nil)
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// Day 1: 0 trips - ProcessStation reads 0 (no prior data), increments to 1
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err := ProcessStation(ctx, monitor)
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if err != nil {
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t.Fatalf("unexpected error day 1: %v", err)
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}
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zeroDaysData, _ := monitor.Cache.Get(ctx, zeroDaysKey(testMonitorID))
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var zeroDays int
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fmt.Sscanf(string(zeroDaysData), "%d", &zeroDays)
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// ProcessStation starts at 0 (no prior data), increments to 1
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if zeroDays != 1 {
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t.Errorf("day 1: expected zero days 1, got %d", zeroDays)
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}
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// Day 2: 0 trips - ProcessStation reads 1 (from day 1), increments to 2
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err = ProcessStation(ctx, monitor)
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if err != nil {
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t.Fatalf("unexpected error day 2: %v", err)
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}
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zeroDaysData, _ = monitor.Cache.Get(ctx, zeroDaysKey(testMonitorID))
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fmt.Sscanf(string(zeroDaysData), "%d", &zeroDays)
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// ProcessStation incremented from 1 to 2
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if zeroDays != 2 {
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t.Errorf("day 2: expected zero days 2, got %d", zeroDays)
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}
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// Day 3: 0 trips - ProcessStation reads 2 (from day 2), increments to 3, closes station
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err = ProcessStation(ctx, monitor)
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if err != nil {
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t.Fatalf("unexpected error day 3: %v", err)
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}
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zeroDaysData, _ = monitor.Cache.Get(ctx, zeroDaysKey(testMonitorID))
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fmt.Sscanf(string(zeroDaysData), "%d", &zeroDays)
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// ProcessStation incremented from 2 to 3
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if zeroDays != 3 {
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t.Errorf("day 3: expected zero days 3, got %d", zeroDays)
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}
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// Status should be closed after 3 consecutive days of zero trips
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statusData, err := monitor.Cache.Get(ctx, stationStatusKey(testMonitorID))
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if err != nil {
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t.Fatalf("cache get error: %v", err)
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}
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if string(statusData) != string(StatusClosed) {
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t.Errorf("expected status closed after 3 days, got %s", string(statusData))
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}
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}
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// TestProcessStation_Reactivation_AfterClosure verifies that a station
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// closed due to 3 zero-trip days gets reactivated when trips resume.
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func TestProcessStation_Reactivation_AfterClosure(t *testing.T) {
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t.Helper()
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// Read Redis address from environment, default to localhost:6379
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redisAddr := os.Getenv("REDIS_ADDR")
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if redisAddr == "" {
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redisAddr = "localhost:6379"
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}
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rc := redis.NewClient(&redis.Options{
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Addr: redisAddr,
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Password: "",
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DB: 0,
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})
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defer rc.Close()
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ctx := context.Background()
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// Flush Redis database for test isolation
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rc.FlushDB(ctx)
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// Monitor that will return 1 trip on reactivation
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monitor := newMockMonitor(testMonitorID, 1, nil)
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// First, close the station by setting zero days to 3 and status to closed
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_ = rc.Set(ctx, "station:zero_days:"+testMonitorID, "3", 24*time.Hour)
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_ = rc.Set(ctx, "station:status:"+testMonitorID, string(StatusClosed), 24*time.Hour)
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// Day 4: trips resume - should reactivate
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err := ProcessStation(ctx, monitor)
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if err != nil {
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t.Fatalf("unexpected error on reactivation: %v", err)
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}
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// Status should be active again
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statusData, err := monitor.Cache.Get(ctx, stationStatusKey(testMonitorID))
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if err != nil {
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t.Fatalf("cache get error: %v", err)
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}
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if string(statusData) != string(StatusActive) {
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t.Errorf("expected status active after reactivation, got %s", string(statusData))
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}
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// Zero days should be reset to 0
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zeroDaysData, err := monitor.Cache.Get(ctx, zeroDaysKey(testMonitorID))
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if err != nil {
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t.Fatalf("cache get zero days error: %v", err)
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}
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var zeroDays int
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_, err = fmt.Sscanf(string(zeroDaysData), "%d", &zeroDays)
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if err != nil {
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t.Fatalf("failed to parse zero days: %v", err)
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}
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if zeroDays != 0 {
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t.Errorf("expected zero days 0 after reactivation, got %d", zeroDays)
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}
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}
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// TestAutoClosureChronology verifies the chronology of auto-closure detection.
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// It tests that a station closes after exactly N=3 consecutive zero-trip days,
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// and that it reactivates when trips resume.
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func TestAutoClosureChronology(t *testing.T) {
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t.Helper()
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// Read Redis address from environment, default to localhost:6379
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redisAddr := os.Getenv("REDIS_ADDR")
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if redisAddr == "" {
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redisAddr = "localhost:6379"
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}
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rc := redis.NewClient(&redis.Options{
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Addr: redisAddr,
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Password: "",
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DB: 0,
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})
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defer rc.Close()
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ctx := context.Background()
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// Flush Redis database for test isolation
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rc.FlushDB(ctx)
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// Monitor that returns 0 trips
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monitor := newMockMonitor("test-cha", 0, nil)
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// Day 1: 0 trips - err declared with :=
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err := ProcessStation(ctx, monitor)
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if err != nil {
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t.Fatalf("unexpected error day 1: %v", err)
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}
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var zeroDays1 int
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zeroDaysData, _ := monitor.Cache.Get(ctx, zeroDaysKey("test-cha"))
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_, err = fmt.Sscanf(string(zeroDaysData), "%d", &zeroDays1)
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if err != nil {
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t.Fatalf("failed to parse zero days: %v", err)
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}
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if zeroDays1 != 1 {
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t.Errorf("day 1: expected zero days 1, got %d", zeroDays1)
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}
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// Day 2: 0 trips - assign to err (already declared)
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err = ProcessStation(ctx, monitor)
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if err != nil {
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t.Fatalf("unexpected error day 2: %v", err)
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}
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var zeroDays2 int
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zeroDaysData, _ = monitor.Cache.Get(ctx, zeroDaysKey("test-cha"))
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_, err = fmt.Sscanf(string(zeroDaysData), "%d", &zeroDays2)
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if err != nil {
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t.Fatalf("failed to parse zero days: %v", err)
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}
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if zeroDays2 != 2 {
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t.Errorf("day 2: expected zero days 2, got %d", zeroDays2)
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}
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// Day 3: 0 trips - assign to err (already declared), station closes
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err = ProcessStation(ctx, monitor)
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if err != nil {
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t.Fatalf("unexpected error day 3: %v", err)
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}
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var zeroDays3 int
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zeroDaysData, _ = monitor.Cache.Get(ctx, zeroDaysKey("test-cha"))
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_, err = fmt.Sscanf(string(zeroDaysData), "%d", &zeroDays3)
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if err != nil {
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t.Fatalf("failed to parse zero days: %v", err)
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}
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if zeroDays3 != 3 {
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t.Errorf("day 3: expected zero days 3, got %d", zeroDays3)
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}
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// Status should be closed
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statusData, err := monitor.Cache.Get(ctx, stationStatusKey("test-cha"))
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if err != nil {
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t.Fatalf("cache get status error: %v", err)
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}
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if string(statusData) != string(StatusClosed) {
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t.Errorf("expected status closed, got %s", string(statusData))
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}
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// Day 4: trips resume - should reactivate
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monitor.ScheduleFunc = func(ctx context.Context, stationID string) (int, error) {
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return 1, nil
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}
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err = ProcessStation(ctx, monitor)
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if err != nil {
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t.Fatalf("unexpected error reactivation: %v", err)
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}
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// Status should be active again
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statusData, err = monitor.Cache.Get(ctx, stationStatusKey("test-cha"))
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if err != nil {
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t.Fatalf("cache get status error: %v", err)
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}
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if string(statusData) != string(StatusActive) {
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t.Errorf("expected status active after reactivation, got %s", string(statusData))
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}
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var zeroDays4 int
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zeroDaysData, _ = monitor.Cache.Get(ctx, zeroDaysKey("test-cha"))
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_, err = fmt.Sscanf(string(zeroDaysData), "%d", &zeroDays4)
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if err != nil {
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t.Fatalf("failed to parse zero days: %v", err)
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}
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if zeroDays4 != 0 {
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t.Errorf("expected zero days 0 after reactivation, got %d", zeroDays4)
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}
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}
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