github.com/kardianos/nomad@v0.1.3-0.20151022182107-b13df73ee850/api/agent_test.go (about)

     1  package api
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/hashicorp/nomad/testutil"
     7  )
     8  
     9  func TestAgent_Self(t *testing.T) {
    10  	c, s := makeClient(t, nil, nil)
    11  	defer s.Stop()
    12  
    13  	// Get a handle on the Agent endpoints
    14  	a := c.Agent()
    15  
    16  	// Query the endpoint
    17  	res, err := a.Self()
    18  	if err != nil {
    19  		t.Fatalf("err: %s", err)
    20  	}
    21  
    22  	// Check that we got a valid response
    23  	if name, ok := res["member"]["Name"]; !ok || name == "" {
    24  		t.Fatalf("bad member name in response: %#v", res)
    25  	}
    26  
    27  	// Local cache was populated
    28  	if a.nodeName == "" || a.datacenter == "" || a.region == "" {
    29  		t.Fatalf("cache should be populated, got: %#v", a)
    30  	}
    31  }
    32  
    33  func TestAgent_NodeName(t *testing.T) {
    34  	c, s := makeClient(t, nil, nil)
    35  	defer s.Stop()
    36  	a := c.Agent()
    37  
    38  	// Query the agent for the node name
    39  	res, err := a.NodeName()
    40  	if err != nil {
    41  		t.Fatalf("err: %s", err)
    42  	}
    43  	if res == "" {
    44  		t.Fatalf("expected node name, got nothing")
    45  	}
    46  }
    47  
    48  func TestAgent_Datacenter(t *testing.T) {
    49  	c, s := makeClient(t, nil, nil)
    50  	defer s.Stop()
    51  	a := c.Agent()
    52  
    53  	// Query the agent for the datacenter
    54  	dc, err := a.Datacenter()
    55  	if err != nil {
    56  		t.Fatalf("err: %s", err)
    57  	}
    58  	if dc != "dc1" {
    59  		t.Fatalf("expected dc1, got: %q", dc)
    60  	}
    61  }
    62  
    63  func TestAgent_Join(t *testing.T) {
    64  	c1, s1 := makeClient(t, nil, nil)
    65  	defer s1.Stop()
    66  	a1 := c1.Agent()
    67  
    68  	_, s2 := makeClient(t, nil, func(c *testutil.TestServerConfig) {
    69  		c.Server.BootstrapExpect = 0
    70  	})
    71  	defer s2.Stop()
    72  
    73  	// Attempting to join a non-existent host returns error
    74  	n, err := a1.Join("nope")
    75  	if err == nil {
    76  		t.Fatalf("expected error, got nothing")
    77  	}
    78  	if n != 0 {
    79  		t.Fatalf("expected 0 nodes, got: %d", n)
    80  	}
    81  
    82  	// Returns correctly if join succeeds
    83  	n, err = a1.Join(s2.SerfAddr)
    84  	if err != nil {
    85  		t.Fatalf("err: %s", err)
    86  	}
    87  	if n != 1 {
    88  		t.Fatalf("expected 1 node, got: %d", n)
    89  	}
    90  }
    91  
    92  func TestAgent_Members(t *testing.T) {
    93  	c, s := makeClient(t, nil, nil)
    94  	defer s.Stop()
    95  	a := c.Agent()
    96  
    97  	// Query nomad for all the known members
    98  	mem, err := a.Members()
    99  	if err != nil {
   100  		t.Fatalf("err: %s", err)
   101  	}
   102  
   103  	// Check that we got the expected result
   104  	if n := len(mem); n != 1 {
   105  		t.Fatalf("expected 1 member, got: %d", n)
   106  	}
   107  	if m := mem[0]; m.Name == "" || m.Addr == "" || m.Port == 0 {
   108  		t.Fatalf("bad member: %#v", m)
   109  	}
   110  }
   111  
   112  func TestAgent_ForceLeave(t *testing.T) {
   113  	c, s := makeClient(t, nil, nil)
   114  	defer s.Stop()
   115  	a := c.Agent()
   116  
   117  	// Force-leave on a non-existent node does not error
   118  	if err := a.ForceLeave("nope"); err != nil {
   119  		t.Fatalf("err: %s", err)
   120  	}
   121  
   122  	// TODO: test force-leave on an existing node
   123  }
   124  
   125  func TestAgent_SetServers(t *testing.T) {
   126  	c, s := makeClient(t, nil, func(c *testutil.TestServerConfig) {
   127  		c.Client.Enabled = true
   128  		c.Server.BootstrapExpect = 0
   129  	})
   130  	defer s.Stop()
   131  	a := c.Agent()
   132  
   133  	// Attempting to set an empty list errors
   134  	err := a.SetServers([]string{})
   135  	if err == nil {
   136  		t.Fatalf("expected error, got nothing")
   137  	}
   138  
   139  	// Setting a valid list works
   140  	err = a.SetServers([]string{"foo", "bar"})
   141  	if err != nil {
   142  		t.Fatalf("err: %s", err)
   143  	}
   144  
   145  	// Returns the proper list of servers
   146  	out, err := a.Servers()
   147  	if err != nil {
   148  		t.Fatalf("err: %s", err)
   149  	}
   150  	if n := len(out); n != 2 {
   151  		t.Fatalf("expected 2 servers, got: %d", n)
   152  	}
   153  	if out[0] != "foo" || out[1] != "bar" {
   154  		t.Fatalf("bad server list: %v", out)
   155  	}
   156  }