253 lines
7 KiB
Go
253 lines
7 KiB
Go
package command
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/hashicorp/nomad/command/agent"
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"github.com/hashicorp/nomad/testutil"
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"github.com/mitchellh/cli"
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"github.com/posener/complete"
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"github.com/stretchr/testify/assert"
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)
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func TestNodeStatusCommand_Implements(t *testing.T) {
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t.Parallel()
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var _ cli.Command = &NodeStatusCommand{}
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}
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func TestNodeStatusCommand_Self(t *testing.T) {
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t.Parallel()
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// Start in dev mode so we get a node registration
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srv, client, url := testServer(t, true, func(c *agent.Config) {
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c.NodeName = "mynode"
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})
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defer srv.Shutdown()
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ui := new(cli.MockUi)
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cmd := &NodeStatusCommand{Meta: Meta{Ui: ui}}
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// Wait for a node to appear
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var nodeID string
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testutil.WaitForResult(func() (bool, error) {
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nodes, _, err := client.Nodes().List(nil)
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if err != nil {
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return false, err
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}
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if len(nodes) == 0 {
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return false, fmt.Errorf("missing node")
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}
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nodeID = nodes[0].ID
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return true, nil
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}, func(err error) {
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t.Fatalf("err: %s", err)
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})
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// Query self node
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if code := cmd.Run([]string{"-address=" + url, "-self"}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out := ui.OutputWriter.String()
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if !strings.Contains(out, "mynode") {
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t.Fatalf("expect to find mynode, got: %s", out)
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}
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if !strings.Contains(out, "No allocations placed") {
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t.Fatalf("should not dump allocations")
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}
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ui.OutputWriter.Reset()
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// Request full id output
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if code := cmd.Run([]string{"-address=" + url, "-self", "-verbose"}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out = ui.OutputWriter.String()
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if !strings.Contains(out, nodeID) {
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t.Fatalf("expected full node id %q, got: %s", nodeID, out)
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}
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ui.OutputWriter.Reset()
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}
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func TestNodeStatusCommand_Run(t *testing.T) {
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t.Parallel()
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// Start in dev mode so we get a node registration
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srv, client, url := testServer(t, true, func(c *agent.Config) {
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c.NodeName = "mynode"
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})
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defer srv.Shutdown()
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ui := new(cli.MockUi)
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cmd := &NodeStatusCommand{Meta: Meta{Ui: ui}}
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// Wait for a node to appear
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var nodeID string
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testutil.WaitForResult(func() (bool, error) {
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nodes, _, err := client.Nodes().List(nil)
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if err != nil {
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return false, err
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}
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if len(nodes) == 0 {
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return false, fmt.Errorf("missing node")
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}
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nodeID = nodes[0].ID
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return true, nil
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}, func(err error) {
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t.Fatalf("err: %s", err)
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})
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// Query all node statuses
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if code := cmd.Run([]string{"-address=" + url}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out := ui.OutputWriter.String()
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if !strings.Contains(out, "mynode") {
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t.Fatalf("expect to find mynode, got: %s", out)
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}
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ui.OutputWriter.Reset()
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// Query a single node
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if code := cmd.Run([]string{"-address=" + url, nodeID}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out = ui.OutputWriter.String()
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if !strings.Contains(out, "mynode") {
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t.Fatalf("expect to find mynode, got: %s", out)
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}
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ui.OutputWriter.Reset()
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// Query single node in short view
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if code := cmd.Run([]string{"-address=" + url, "-short", nodeID}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out = ui.OutputWriter.String()
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if !strings.Contains(out, "mynode") {
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t.Fatalf("expect to find mynode, got: %s", out)
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}
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if !strings.Contains(out, "No allocations placed") {
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t.Fatalf("should not dump allocations")
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}
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// Query a single node based on a prefix that is even without the hyphen
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if code := cmd.Run([]string{"-address=" + url, nodeID[:13]}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out = ui.OutputWriter.String()
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if !strings.Contains(out, "mynode") {
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t.Fatalf("expect to find mynode, got: %s", out)
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}
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if strings.Contains(out, nodeID) {
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t.Fatalf("expected truncated node id, got: %s", out)
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}
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if !strings.Contains(out, nodeID[:8]) {
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t.Fatalf("expected node id %q, got: %s", nodeID[:8], out)
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}
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ui.OutputWriter.Reset()
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// Request full id output
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if code := cmd.Run([]string{"-address=" + url, "-verbose", nodeID[:4]}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out = ui.OutputWriter.String()
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if !strings.Contains(out, nodeID) {
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t.Fatalf("expected full node id %q, got: %s", nodeID, out)
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}
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ui.OutputWriter.Reset()
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// Identifiers with uneven length should produce a query result
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if code := cmd.Run([]string{"-address=" + url, nodeID[:3]}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out = ui.OutputWriter.String()
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if !strings.Contains(out, "mynode") {
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t.Fatalf("expect to find mynode, got: %s", out)
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}
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}
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func TestNodeStatusCommand_Fails(t *testing.T) {
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t.Parallel()
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srv, _, url := testServer(t, false, nil)
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defer srv.Shutdown()
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ui := new(cli.MockUi)
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cmd := &NodeStatusCommand{Meta: Meta{Ui: ui}}
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// Fails on misuse
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if code := cmd.Run([]string{"some", "bad", "args"}); code != 1 {
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t.Fatalf("expected exit code 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, cmd.Help()) {
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t.Fatalf("expected help output, got: %s", out)
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}
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ui.ErrorWriter.Reset()
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// Fails on connection failure
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if code := cmd.Run([]string{"-address=nope"}); code != 1 {
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t.Fatalf("expected exit code 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error querying node status") {
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t.Fatalf("expected failed query error, got: %s", out)
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}
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ui.ErrorWriter.Reset()
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// Fails on nonexistent node
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if code := cmd.Run([]string{"-address=" + url, "12345678-abcd-efab-cdef-123456789abc"}); code != 1 {
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t.Fatalf("expected exit 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "No node(s) with prefix") {
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t.Fatalf("expected not found error, got: %s", out)
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}
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ui.ErrorWriter.Reset()
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// Fail on identifier with too few characters
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if code := cmd.Run([]string{"-address=" + url, "1"}); code != 1 {
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t.Fatalf("expected exit 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "must contain at least two characters.") {
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t.Fatalf("expected too few characters error, got: %s", out)
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}
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ui.ErrorWriter.Reset()
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// Failed on both -json and -t options are specified
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if code := cmd.Run([]string{"-address=" + url, "-json", "-t", "{{.ID}}"}); code != 1 {
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t.Fatalf("expected exit 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "Both json and template formatting are not allowed") {
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t.Fatalf("expected getting formatter error, got: %s", out)
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}
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}
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func TestNodeStatusCommand_AutocompleteArgs(t *testing.T) {
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assert := assert.New(t)
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t.Parallel()
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srv, client, url := testServer(t, true, nil)
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defer srv.Shutdown()
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// Wait for a node to appear
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var nodeID string
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testutil.WaitForResult(func() (bool, error) {
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nodes, _, err := client.Nodes().List(nil)
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if err != nil {
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return false, err
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}
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if len(nodes) == 0 {
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return false, fmt.Errorf("missing node")
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}
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nodeID = nodes[0].ID
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return true, nil
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}, func(err error) {
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t.Fatalf("err: %s", err)
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})
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ui := new(cli.MockUi)
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cmd := &NodeStatusCommand{Meta: Meta{Ui: ui, flagAddress: url}}
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prefix := nodeID[:len(nodeID)-5]
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args := complete.Args{Last: prefix}
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predictor := cmd.AutocompleteArgs()
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res := predictor.Predict(args)
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assert.Equal(1, len(res))
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assert.Equal(nodeID, res[0])
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}
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