李建琦
6d655c9903
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84 lines
2.6 KiB
Go
84 lines
2.6 KiB
Go
package service
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import (
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"context"
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"testing"
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"time"
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gocache "github.com/patrickmn/go-cache"
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"github.com/stretchr/testify/require"
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)
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type userGroupRateResolverRepoStub struct {
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UserGroupRateRepository
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rate *float64
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err error
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calls int
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}
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func (s *userGroupRateResolverRepoStub) GetByUserAndGroup(ctx context.Context, userID, groupID int64) (*float64, error) {
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s.calls++
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if s.err != nil {
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return nil, s.err
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}
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return s.rate, nil
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}
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func TestNewUserGroupRateResolver_Defaults(t *testing.T) {
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resolver := newUserGroupRateResolver(nil, nil, 0, nil, "")
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require.NotNil(t, resolver)
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require.NotNil(t, resolver.cache)
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require.Equal(t, defaultUserGroupRateCacheTTL, resolver.cacheTTL)
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require.NotNil(t, resolver.sf)
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require.Equal(t, "service.gateway", resolver.logComponent)
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}
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func TestUserGroupRateResolverResolve_FallbackForNilResolverAndInvalidIDs(t *testing.T) {
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var nilResolver *userGroupRateResolver
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require.Equal(t, 1.4, nilResolver.Resolve(context.Background(), 101, 202, 1.4))
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resolver := newUserGroupRateResolver(nil, nil, time.Second, nil, "service.test")
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require.Equal(t, 1.4, resolver.Resolve(context.Background(), 0, 202, 1.4))
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require.Equal(t, 1.4, resolver.Resolve(context.Background(), 101, 0, 1.4))
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}
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func TestUserGroupRateResolverResolve_InvalidCacheEntryLoadsRepoAndCaches(t *testing.T) {
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resetGatewayHotpathStatsForTest()
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rate := 1.7
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repo := &userGroupRateResolverRepoStub{rate: &rate}
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cache := gocache.New(time.Minute, time.Minute)
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cache.Set("101:202", "bad-cache", time.Minute)
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resolver := newUserGroupRateResolver(repo, cache, time.Minute, nil, "service.test")
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got := resolver.Resolve(context.Background(), 101, 202, 1.2)
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require.Equal(t, rate, got)
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require.Equal(t, 1, repo.calls)
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cached, ok := cache.Get("101:202")
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require.True(t, ok)
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require.Equal(t, rate, cached)
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hit, miss, load, _, fallback := GatewayUserGroupRateCacheStats()
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require.Equal(t, int64(0), hit)
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require.Equal(t, int64(1), miss)
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require.Equal(t, int64(1), load)
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require.Equal(t, int64(0), fallback)
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}
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func TestGatewayServiceGetUserGroupRateMultiplier_FallbacksAndUsesExistingResolver(t *testing.T) {
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var nilSvc *GatewayService
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require.Equal(t, 1.3, nilSvc.getUserGroupRateMultiplier(context.Background(), 101, 202, 1.3))
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rate := 1.9
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repo := &userGroupRateResolverRepoStub{rate: &rate}
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resolver := newUserGroupRateResolver(repo, nil, time.Minute, nil, "service.gateway")
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svc := &GatewayService{userGroupRateResolver: resolver}
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got := svc.getUserGroupRateMultiplier(context.Background(), 101, 202, 1.2)
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require.Equal(t, rate, got)
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require.Equal(t, 1, repo.calls)
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}
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