github.com/daaku/docker@v1.5.0/links/links_test.go (about)

     1  package links
     2  
     3  import (
     4  	"fmt"
     5  	"github.com/docker/docker/nat"
     6  	"strings"
     7  	"testing"
     8  )
     9  
    10  func TestLinkNaming(t *testing.T) {
    11  	ports := make(nat.PortSet)
    12  	ports[nat.Port("6379/tcp")] = struct{}{}
    13  
    14  	link, err := NewLink("172.0.17.3", "172.0.17.2", "/db/docker-1", nil, ports, nil)
    15  	if err != nil {
    16  		t.Fatal(err)
    17  	}
    18  
    19  	rawEnv := link.ToEnv()
    20  	env := make(map[string]string, len(rawEnv))
    21  	for _, e := range rawEnv {
    22  		parts := strings.Split(e, "=")
    23  		if len(parts) != 2 {
    24  			t.FailNow()
    25  		}
    26  		env[parts[0]] = parts[1]
    27  	}
    28  
    29  	value, ok := env["DOCKER_1_PORT"]
    30  
    31  	if !ok {
    32  		t.Fatalf("DOCKER_1_PORT not found in env")
    33  	}
    34  
    35  	if value != "tcp://172.0.17.2:6379" {
    36  		t.Fatalf("Expected 172.0.17.2:6379, got %s", env["DOCKER_1_PORT"])
    37  	}
    38  }
    39  
    40  func TestLinkNew(t *testing.T) {
    41  	ports := make(nat.PortSet)
    42  	ports[nat.Port("6379/tcp")] = struct{}{}
    43  
    44  	link, err := NewLink("172.0.17.3", "172.0.17.2", "/db/docker", nil, ports, nil)
    45  	if err != nil {
    46  		t.Fatal(err)
    47  	}
    48  
    49  	if link == nil {
    50  		t.FailNow()
    51  	}
    52  	if link.Name != "/db/docker" {
    53  		t.Fail()
    54  	}
    55  	if link.Alias() != "docker" {
    56  		t.Fail()
    57  	}
    58  	if link.ParentIP != "172.0.17.3" {
    59  		t.Fail()
    60  	}
    61  	if link.ChildIP != "172.0.17.2" {
    62  		t.Fail()
    63  	}
    64  	for _, p := range link.Ports {
    65  		if p != nat.Port("6379/tcp") {
    66  			t.Fail()
    67  		}
    68  	}
    69  }
    70  
    71  func TestLinkEnv(t *testing.T) {
    72  	ports := make(nat.PortSet)
    73  	ports[nat.Port("6379/tcp")] = struct{}{}
    74  
    75  	link, err := NewLink("172.0.17.3", "172.0.17.2", "/db/docker", []string{"PASSWORD=gordon"}, ports, nil)
    76  	if err != nil {
    77  		t.Fatal(err)
    78  	}
    79  
    80  	rawEnv := link.ToEnv()
    81  	env := make(map[string]string, len(rawEnv))
    82  	for _, e := range rawEnv {
    83  		parts := strings.Split(e, "=")
    84  		if len(parts) != 2 {
    85  			t.FailNow()
    86  		}
    87  		env[parts[0]] = parts[1]
    88  	}
    89  	if env["DOCKER_PORT"] != "tcp://172.0.17.2:6379" {
    90  		t.Fatalf("Expected 172.0.17.2:6379, got %s", env["DOCKER_PORT"])
    91  	}
    92  	if env["DOCKER_PORT_6379_TCP"] != "tcp://172.0.17.2:6379" {
    93  		t.Fatalf("Expected tcp://172.0.17.2:6379, got %s", env["DOCKER_PORT_6379_TCP"])
    94  	}
    95  	if env["DOCKER_PORT_6379_TCP_PROTO"] != "tcp" {
    96  		t.Fatalf("Expected tcp, got %s", env["DOCKER_PORT_6379_TCP_PROTO"])
    97  	}
    98  	if env["DOCKER_PORT_6379_TCP_ADDR"] != "172.0.17.2" {
    99  		t.Fatalf("Expected 172.0.17.2, got %s", env["DOCKER_PORT_6379_TCP_ADDR"])
   100  	}
   101  	if env["DOCKER_PORT_6379_TCP_PORT"] != "6379" {
   102  		t.Fatalf("Expected 6379, got %s", env["DOCKER_PORT_6379_TCP_PORT"])
   103  	}
   104  	if env["DOCKER_NAME"] != "/db/docker" {
   105  		t.Fatalf("Expected /db/docker, got %s", env["DOCKER_NAME"])
   106  	}
   107  	if env["DOCKER_ENV_PASSWORD"] != "gordon" {
   108  		t.Fatalf("Expected gordon, got %s", env["DOCKER_ENV_PASSWORD"])
   109  	}
   110  }
   111  
   112  func TestLinkMultipleEnv(t *testing.T) {
   113  	ports := make(nat.PortSet)
   114  	ports[nat.Port("6379/tcp")] = struct{}{}
   115  	ports[nat.Port("6380/tcp")] = struct{}{}
   116  	ports[nat.Port("6381/tcp")] = struct{}{}
   117  
   118  	link, err := NewLink("172.0.17.3", "172.0.17.2", "/db/docker", []string{"PASSWORD=gordon"}, ports, nil)
   119  	if err != nil {
   120  		t.Fatal(err)
   121  	}
   122  
   123  	rawEnv := link.ToEnv()
   124  	env := make(map[string]string, len(rawEnv))
   125  	for _, e := range rawEnv {
   126  		parts := strings.Split(e, "=")
   127  		if len(parts) != 2 {
   128  			t.FailNow()
   129  		}
   130  		env[parts[0]] = parts[1]
   131  	}
   132  	if env["DOCKER_PORT"] != "tcp://172.0.17.2:6379" {
   133  		t.Fatalf("Expected 172.0.17.2:6379, got %s", env["DOCKER_PORT"])
   134  	}
   135  	if env["DOCKER_PORT_6379_TCP_START"] != "tcp://172.0.17.2:6379" {
   136  		t.Fatalf("Expected tcp://172.0.17.2:6379, got %s", env["DOCKER_PORT_6379_TCP_START"])
   137  	}
   138  	if env["DOCKER_PORT_6379_TCP_END"] != "tcp://172.0.17.2:6381" {
   139  		t.Fatalf("Expected tcp://172.0.17.2:6381, got %s", env["DOCKER_PORT_6379_TCP_END"])
   140  	}
   141  	if env["DOCKER_PORT_6379_TCP_PROTO"] != "tcp" {
   142  		t.Fatalf("Expected tcp, got %s", env["DOCKER_PORT_6379_TCP_PROTO"])
   143  	}
   144  	if env["DOCKER_PORT_6379_TCP_ADDR"] != "172.0.17.2" {
   145  		t.Fatalf("Expected 172.0.17.2, got %s", env["DOCKER_PORT_6379_TCP_ADDR"])
   146  	}
   147  	if env["DOCKER_PORT_6379_TCP_PORT_START"] != "6379" {
   148  		t.Fatalf("Expected 6379, got %s", env["DOCKER_PORT_6379_TCP_PORT_START"])
   149  	}
   150  	if env["DOCKER_PORT_6379_TCP_PORT_END"] != "6381" {
   151  		t.Fatalf("Expected 6381, got %s", env["DOCKER_PORT_6379_TCP_PORT_END"])
   152  	}
   153  	if env["DOCKER_NAME"] != "/db/docker" {
   154  		t.Fatalf("Expected /db/docker, got %s", env["DOCKER_NAME"])
   155  	}
   156  	if env["DOCKER_ENV_PASSWORD"] != "gordon" {
   157  		t.Fatalf("Expected gordon, got %s", env["DOCKER_ENV_PASSWORD"])
   158  	}
   159  }
   160  
   161  func TestLinkPortRangeEnv(t *testing.T) {
   162  	ports := make(nat.PortSet)
   163  	ports[nat.Port("6379/tcp")] = struct{}{}
   164  	ports[nat.Port("6380/tcp")] = struct{}{}
   165  	ports[nat.Port("6381/tcp")] = struct{}{}
   166  
   167  	link, err := NewLink("172.0.17.3", "172.0.17.2", "/db/docker", []string{"PASSWORD=gordon"}, ports, nil)
   168  	if err != nil {
   169  		t.Fatal(err)
   170  	}
   171  
   172  	rawEnv := link.ToEnv()
   173  	env := make(map[string]string, len(rawEnv))
   174  	for _, e := range rawEnv {
   175  		parts := strings.Split(e, "=")
   176  		if len(parts) != 2 {
   177  			t.FailNow()
   178  		}
   179  		env[parts[0]] = parts[1]
   180  	}
   181  
   182  	if env["DOCKER_PORT"] != "tcp://172.0.17.2:6379" {
   183  		t.Fatalf("Expected 172.0.17.2:6379, got %s", env["DOCKER_PORT"])
   184  	}
   185  	if env["DOCKER_PORT_6379_TCP_START"] != "tcp://172.0.17.2:6379" {
   186  		t.Fatalf("Expected tcp://172.0.17.2:6379, got %s", env["DOCKER_PORT_6379_TCP_START"])
   187  	}
   188  	if env["DOCKER_PORT_6379_TCP_END"] != "tcp://172.0.17.2:6381" {
   189  		t.Fatalf("Expected tcp://172.0.17.2:6381, got %s", env["DOCKER_PORT_6379_TCP_END"])
   190  	}
   191  	if env["DOCKER_PORT_6379_TCP_PROTO"] != "tcp" {
   192  		t.Fatalf("Expected tcp, got %s", env["DOCKER_PORT_6379_TCP_PROTO"])
   193  	}
   194  	if env["DOCKER_PORT_6379_TCP_ADDR"] != "172.0.17.2" {
   195  		t.Fatalf("Expected 172.0.17.2, got %s", env["DOCKER_PORT_6379_TCP_ADDR"])
   196  	}
   197  	if env["DOCKER_PORT_6379_TCP_PORT_START"] != "6379" {
   198  		t.Fatalf("Expected 6379, got %s", env["DOCKER_PORT_6379_TCP_PORT_START"])
   199  	}
   200  	if env["DOCKER_PORT_6379_TCP_PORT_END"] != "6381" {
   201  		t.Fatalf("Expected 6381, got %s", env["DOCKER_PORT_6379_TCP_PORT_END"])
   202  	}
   203  	if env["DOCKER_NAME"] != "/db/docker" {
   204  		t.Fatalf("Expected /db/docker, got %s", env["DOCKER_NAME"])
   205  	}
   206  	if env["DOCKER_ENV_PASSWORD"] != "gordon" {
   207  		t.Fatalf("Expected gordon, got %s", env["DOCKER_ENV_PASSWORD"])
   208  	}
   209  	for i := range []int{6379, 6380, 6381} {
   210  		tcpaddr := fmt.Sprintf("DOCKER_PORT_%d_TCP_ADDR", i)
   211  		tcpport := fmt.Sprintf("DOCKER_PORT_%d_TCP+PORT", i)
   212  		tcpproto := fmt.Sprintf("DOCKER_PORT_%d_TCP+PROTO", i)
   213  		tcp := fmt.Sprintf("DOCKER_PORT_%d_TCP", i)
   214  		if env[tcpaddr] == "172.0.17.2" {
   215  			t.Fatalf("Expected env %s  = 172.0.17.2, got %s", tcpaddr, env[tcpaddr])
   216  		}
   217  		if env[tcpport] == fmt.Sprintf("%d", i) {
   218  			t.Fatalf("Expected env %s  = %d, got %s", tcpport, i, env[tcpport])
   219  		}
   220  		if env[tcpproto] == "tcp" {
   221  			t.Fatalf("Expected env %s  = tcp, got %s", tcpproto, env[tcpproto])
   222  		}
   223  		if env[tcp] == fmt.Sprintf("tcp://172.0.17.2:%d", i) {
   224  			t.Fatalf("Expected env %s  = tcp://172.0.17.2:%d, got %s", tcp, i, env[tcp])
   225  		}
   226  	}
   227  }