bosun.org@v0.0.0-20210513094433-e25bc3e69a1f/host/manager_test.go (about)

     1  package host
     2  
     3  import (
     4  	"strings"
     5  	"testing"
     6  )
     7  
     8  func validateManager(m Manager, expectedHostname string, t *testing.T) {
     9  	expectedHostname = strings.ToLower(expectedHostname)
    10  
    11  	if m.GetHostName() != expectedHostname {
    12  		t.Errorf("Expected hostname to be '%s' but it was '%s'", expectedHostname, m.GetHostName())
    13  	} else if m.GetHost().GetName() != expectedHostname {
    14  		t.Errorf("Expected hostname to be '%s' but it was '%s'", expectedHostname, m.GetHostName())
    15  	} else if m.GetNameProcessor() == nil {
    16  		t.Errorf("Expected managed host to have a name processor")
    17  	}
    18  }
    19  
    20  func TestNewManager(t *testing.T) {
    21  	// we should save fqdn for NewManager since os.Hostname will return /proc/sys/kernel/hostname and it can be fqdn
    22  	// underhood NewManager will use same call, but if we don't save fqdn we are trying to split that name
    23  	// In that can this test will fail anyway
    24  	testHostnames := []struct {
    25  		hostname             string
    26  		expected             string
    27  		preserveFullHostName bool
    28  	}{
    29  		{"test1", "test1", true},
    30  		{"test1", "test1", false},
    31  		{"test1.domain.com", "test1.domain.com", true},
    32  		{"test1.domain.com", "test1", false},
    33  		{"test-01.domain.com", "test-01", false},
    34  		{"test-01.domain.com", "test-01.domain.com", true},
    35  		{"test-103.subdomain1.subdomain2.domain.com", "test-103", false},
    36  		{"test-103.subdomain1.subdomain2.domain.com", "test-103.subdomain1.subdomain2.domain.com", true},
    37  	}
    38  	for _, params := range testHostnames {
    39  		hostname = func() (string, error) { return params.hostname, nil }
    40  		m, err := NewManager(params.preserveFullHostName)
    41  		if err != nil {
    42  			t.Errorf("Error while create new manager for %s: %v", params.hostname, err)
    43  		}
    44  
    45  		validateManager(m, params.expected, t)
    46  	}
    47  
    48  }
    49  
    50  func TestNewManagerForHostname(t *testing.T) {
    51  	expectedHostname := "JiMMYs-PC"
    52  	m, err := NewManagerForHostname(expectedHostname, false)
    53  	if err != nil {
    54  		t.Error(err)
    55  	}
    56  
    57  	validateManager(m, expectedHostname, t)
    58  }