open-nomad/command/agent/helpers_test.go

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package agent
import (
"testing"
"github.com/hashicorp/nomad/helper/uuid"
"github.com/stretchr/testify/require"
)
func TestHTTP_rpcHandlerForAlloc(t *testing.T) {
t.Parallel()
require := require.New(t)
agent := NewTestAgent(t, t.Name(), nil)
a := mockFSAlloc(agent.client.NodeID(), nil)
addAllocToClient(agent, a, terminalClientAlloc)
// Case 1: Client has allocation
// Outcome: Use local client
lc, rc, s := agent.Server.rpcHandlerForAlloc(a.ID)
require.True(lc)
require.False(rc)
require.False(s)
// Case 2: Client doesn't have allocation and there is a server
// Outcome: Use server
lc, rc, s = agent.Server.rpcHandlerForAlloc(uuid.Generate())
require.False(lc)
require.False(rc)
require.True(s)
// Case 3: Client doesn't have allocation and there is no server
// Outcome: Use client RPC to server
srv := agent.server
agent.server = nil
lc, rc, s = agent.Server.rpcHandlerForAlloc(uuid.Generate())
require.False(lc)
require.True(rc)
require.False(s)
agent.server = srv
// Case 4: No client
// Outcome: Use server
client := agent.client
agent.client = nil
lc, rc, s = agent.Server.rpcHandlerForAlloc(uuid.Generate())
require.False(lc)
require.False(rc)
require.True(s)
agent.client = client
}
func TestHTTP_rpcHandlerForNode(t *testing.T) {
t.Parallel()
require := require.New(t)
agent := NewTestAgent(t, t.Name(), nil)
cID := agent.client.NodeID()
// Case 1: Node running, no node ID given
// Outcome: Use local node
lc, rc, s := agent.Server.rpcHandlerForNode("")
require.True(lc)
require.False(rc)
require.False(s)
// Case 2: Node running, it's ID given
// Outcome: Use local node
lc, rc, s = agent.Server.rpcHandlerForNode(cID)
require.True(lc)
require.False(rc)
require.False(s)
// Case 3: Local node but wrong ID and there is no server
// Outcome: Use client RPC to server
srv := agent.server
agent.server = nil
lc, rc, s = agent.Server.rpcHandlerForNode(uuid.Generate())
require.False(lc)
require.True(rc)
require.False(s)
agent.server = srv
// Case 4: No client
// Outcome: Use server
client := agent.client
agent.client = nil
lc, rc, s = agent.Server.rpcHandlerForNode(uuid.Generate())
require.False(lc)
require.False(rc)
require.True(s)
agent.client = client
}