2bbbea79cc
The disk informer uses "ipfs repo stat" to fetch the RepoSize value and uses it as a metric. The numpinalloc allocator is now a generalized ascendalloc which sorts metrics in ascending order and return the ones with lowest values. License: MIT Signed-off-by: Hector Sanjuan <hector@protocol.ai>
82 lines
1.6 KiB
Go
82 lines
1.6 KiB
Go
package disk
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import (
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"errors"
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"testing"
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rpc "github.com/hsanjuan/go-libp2p-gorpc"
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"github.com/ipfs/ipfs-cluster/test"
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)
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type badRPCService struct {
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nthCall int
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}
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func badRPCClient(t *testing.T) *rpc.Client {
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s := rpc.NewServer(nil, "mock")
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c := rpc.NewClientWithServer(nil, "mock", s)
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err := s.RegisterName("Cluster", &badRPCService{})
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if err != nil {
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t.Fatal(err)
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}
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return c
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}
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// func (mock *badRPCService) IPFSConfigKey(in string, out *interface{}) error {
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// mock.nthCall++
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// switch mock.nthCall {
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// case 1:
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// return errors.New("fake error the first time you use this mock")
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// case 2:
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// // don't set out
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// return nil
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// case 3:
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// // don't set to string
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// *out = 3
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// case 4:
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// // non parseable string
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// *out = "abc"
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// default:
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// *out = "10KB"
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// }
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// return nil
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// }
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func (mock *badRPCService) IPFSRepoSize(in struct{}, out *int) error {
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*out = 2
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mock.nthCall++
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return errors.New("fake error")
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}
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func Test(t *testing.T) {
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inf := NewInformer()
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defer inf.Shutdown()
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if inf.Name() != "disk" {
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t.Error("careful when changing the name of an informer")
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}
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m := inf.GetMetric()
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if m.Valid {
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t.Error("metric should be invalid")
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}
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inf.SetClient(test.NewMockRPCClient(t))
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m = inf.GetMetric()
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if !m.Valid {
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t.Error("metric should be valid")
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}
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// The mock client reports 100KB and 2 pins of 1 KB
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if m.Value != "2000" {
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t.Error("bad metric value")
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}
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}
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func TestWithErrors(t *testing.T) {
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inf := NewInformer()
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defer inf.Shutdown()
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inf.SetClient(badRPCClient(t))
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m := inf.GetMetric()
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if m.Valid {
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t.Errorf("metric should be invalid")
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}
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}
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