micro/client/cache_test.go

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package client
import (
"context"
"testing"
"time"
"github.com/micro/go-micro/v2/metadata"
)
func TestCache(t *testing.T) {
ctx := context.TODO()
req := NewRequest("go.micro.service.foo", "Foo.Bar", nil)
t.Run("CacheMiss", func(t *testing.T) {
if _, ok := NewCache().Get(ctx, &req); ok {
t.Errorf("Expected to get no result from Get")
}
})
t.Run("CacheHit", func(t *testing.T) {
c := NewCache()
rsp := "theresponse"
c.Set(ctx, &req, rsp, time.Minute)
if res, ok := c.Get(ctx, &req); !ok {
t.Errorf("Expected a result, got nothing")
} else if res != rsp {
t.Errorf("Expected '%v' result, got '%v'", rsp, res)
}
})
}
func TestCacheKey(t *testing.T) {
ctx := context.TODO()
req1 := NewRequest("go.micro.service.foo", "Foo.Bar", nil)
req2 := NewRequest("go.micro.service.foo", "Foo.Baz", nil)
req3 := NewRequest("go.micro.service.foo", "Foo.Baz", "customquery")
t.Run("IdenticalRequests", func(t *testing.T) {
key1 := key(ctx, &req1)
key2 := key(ctx, &req1)
if key1 != key2 {
t.Errorf("Expected the keys to match for identical requests and context")
}
})
t.Run("DifferentRequestEndpoints", func(t *testing.T) {
key1 := key(ctx, &req1)
key2 := key(ctx, &req2)
if key1 == key2 {
t.Errorf("Expected the keys to differ for different request endpoints")
}
})
t.Run("DifferentRequestBody", func(t *testing.T) {
key1 := key(ctx, &req2)
key2 := key(ctx, &req3)
if key1 == key2 {
t.Errorf("Expected the keys to differ for different request bodies")
}
})
t.Run("DifferentMetadata", func(t *testing.T) {
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mdCtx := metadata.Set(context.TODO(), "Micro-Namespace", "bar")
key1 := key(mdCtx, &req1)
key2 := key(ctx, &req1)
if key1 == key2 {
t.Errorf("Expected the keys to differ for different metadata")
}
})
}