解决gomock报错：doesn‘t match the argument at index 1.

这个问题在stack Overflow上面有一些解答，但是由于这个报错比较泛，导致仅仅看这个报错信息很难去定位写单测的时候哪里错了，我们需要使用go test -v -run 函数名 ，或者直接在vscode上面点击run,我当时发现了有下面的报错：
可见Got是有&，Want是没有&，所以可以推测是指针和引用这一块报错了，修改代码后，直接传入一个指针

pod.go:37: Unexpected call to *store.MockPodStore.Create([context.TODO 0xc000033000]) at /root/myproject/KCS/internal/apiserver/service/v1/pod.go:37 because:
expected call at /root/myproject/KCS/internal/apiserver/service/v1/pod_test.go:65 doesn't match the argument at index 1.
Got: &{{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} GMWJGSAPGATLMODY
LUMGU {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}}
0 0} Pending {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}}
[]
0 0 0 0
0} [{{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
}] creator_0
0 0 0 0 map[] false false false 0} (*model.Pod)
Want: is equal to {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} GMWJGSAPGATLMODY
LUMGU {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}}
0 0} Pending {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}}
[]
0 0 0 0
0} [{{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
} {{0 0001-01-01 00:00:00 +0000 UTC 0001-01-01 00:00:00 +0000 UTC {0001-01-01 00:00:00 +0000 UTC false}} 0
}] creator_0
0 0 0 0 map[] false false false 0} (model.Pod)

正确的单元测试代码如下：

func TestPodService_Create(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
pods := fake.FakePod(10)
// pod := model.Pod{}
mockFactory := store.NewMockFactory(ctrl)
mockPod := store.NewMockPodStore(ctrl)
mockFactory.EXPECT().Pod().AnyTimes().Return(mockPod)
// 缺了这一句
mockPod.EXPECT().Create(gomock.Eq(context.TODO()), gomock.Eq(pods[0])).Return(nil)
type fields struct {
store
store.Factory
redisCli redis.RedisCli
}
type args struct {
ctx context.Context
pod *model.Pod
}
tests := []struct {
name
string
fields
fields
args
args
wantErr bool
}{
// TODO: Add test cases.
{
name: "test case 1",
fields: fields{store: mockFactory,},
args: args{
ctx: context.TODO(),
pod: pods[0],
},
wantErr: false,
},
}
for _, tt := range tests {
fmt.Printf("begin to testn")
podService := &PodService{store: tt.fields.store}
err := podService.Create(tt.args.ctx, tt.args.pod)
assert.Equal(t, tt.wantErr, err!=nil)
}
}

值得提一下，这里还有一个坑，就是当我们要Mock的东西比较复杂的时候，使用EXPECT的时候要注意mock的顺序，我第一次mock的时候缺少了mockFactory.EXPECT().Pod().AnyTimes().Return(mockPod) 这一句 ，就导致运行单元测试的时报错说找不到Pod()方法。但是在生成的mock文件中，是有Pod()方法的，因此debug了好久，

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