66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package cachetype
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import (
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"reflect"
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"time"
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testinf "github.com/mitchellh/go-testing-interface"
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"github.com/hashicorp/consul/agent/cache"
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)
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// TestRPC returns a mock implementation of the RPC interface.
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func TestRPC(t testinf.T) *MockRPC {
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// This function is relatively useless but this allows us to perhaps
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// perform some initialization later.
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return &MockRPC{}
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}
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// TestFetchCh returns a channel that returns the result of the Fetch call.
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// This is useful for testing timing and concurrency with Fetch calls.
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// Errors will show up as an error type on the resulting channel so a
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// type switch should be used.
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func TestFetchCh(
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t testinf.T,
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typ cache.Type,
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opts cache.FetchOptions,
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req cache.Request,
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) <-chan interface{} {
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resultCh := make(chan interface{})
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go func() {
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result, err := typ.Fetch(opts, req)
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if err != nil {
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resultCh <- err
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return
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}
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resultCh <- result
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}()
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return resultCh
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}
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// TestFetchChResult tests that the result from TestFetchCh matches
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// within a reasonable period of time (it expects it to be "immediate" but
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// waits some milliseconds).
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func TestFetchChResult(t testinf.T, ch <-chan interface{}, expected interface{}) {
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t.Helper()
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select {
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case result := <-ch:
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if err, ok := result.(error); ok {
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t.Fatalf("Result was error: %s", err)
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return
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}
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if !reflect.DeepEqual(result, expected) {
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t.Fatalf("Result doesn't match!\n\n%#v\n\n%#v", result, expected)
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}
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case <-time.After(50 * time.Millisecond):
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}
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}
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