github.com/willyham/dosa@v2.3.1-0.20171024181418-1e446d37ee71+incompatible/names_test.go (about)

     1  // Copyright (c) 2017 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package dosa_test
    22  
    23  import (
    24  	"fmt"
    25  	"testing"
    26  
    27  	"github.com/stretchr/testify/assert"
    28  	"github.com/uber-go/dosa"
    29  )
    30  
    31  func TestIsValidName(t *testing.T) {
    32  	dataProvider := []struct {
    33  		arg     string
    34  		allowed bool
    35  	}{
    36  		{
    37  			arg:     "has_underscore",
    38  			allowed: true,
    39  		},
    40  		{
    41  			arg:     "mixeDCase",
    42  			allowed: false,
    43  		},
    44  		{
    45  			arg:     "md5",
    46  			allowed: true,
    47  		},
    48  		{
    49  			arg:     "_name",
    50  			allowed: true,
    51  		},
    52  		{
    53  			arg:     "_alreadynormalized9",
    54  			allowed: true,
    55  		},
    56  		{
    57  			arg:     "123numberprefix",
    58  			allowed: false,
    59  		},
    60  		{
    61  			arg:     "",
    62  			allowed: false,
    63  		},
    64  		{
    65  			arg:     "longname012345678901234567890123456789",
    66  			allowed: false,
    67  		},
    68  		{
    69  			arg:     "世界",
    70  			allowed: false,
    71  		},
    72  		{
    73  			arg:     "an apple",
    74  			allowed: false,
    75  		},
    76  	}
    77  
    78  	for _, testData := range dataProvider {
    79  		err := dosa.IsValidName(testData.arg)
    80  		if testData.allowed {
    81  			assert.NoError(t, err, fmt.Sprintf("got error while expecting no error for %s", testData.arg))
    82  		} else {
    83  			assert.Error(t, err, fmt.Sprintf("expect error but got no error for %s", testData.arg))
    84  		}
    85  	}
    86  }
    87  
    88  func TestNormalizeName(t *testing.T) {
    89  	dataProvider := []struct {
    90  		arg      string
    91  		allowed  bool
    92  		expected string
    93  	}{
    94  		{
    95  			arg:      "lOwerEVeryTHiNG",
    96  			allowed:  true,
    97  			expected: "lowereverything",
    98  		},
    99  		{
   100  			arg:      "MD5",
   101  			allowed:  true,
   102  			expected: "md5",
   103  		},
   104  		{
   105  			arg:      "_MyName",
   106  			allowed:  true,
   107  			expected: "_myname",
   108  		},
   109  		{
   110  			arg:      "_alreadynormalized9",
   111  			allowed:  true,
   112  			expected: "_alreadynormalized9",
   113  		},
   114  		{
   115  			arg:      "an apple",
   116  			allowed:  false,
   117  			expected: "",
   118  		},
   119  	}
   120  
   121  	for _, testData := range dataProvider {
   122  		name, err := dosa.NormalizeName(testData.arg)
   123  		if testData.allowed {
   124  			assert.NoError(t, err, fmt.Sprintf("got error while expecting no error for %s", testData.arg))
   125  			assert.Equal(t, testData.expected, name,
   126  				fmt.Sprintf("unexpected normalized name for %s", testData.arg))
   127  		} else {
   128  			assert.Error(t, err, fmt.Sprintf("expect error but got no error for %s", testData.arg))
   129  		}
   130  	}
   131  }
   132  
   133  func TestToFQN(t *testing.T) {
   134  	f, err := dosa.ToFQN("service.foo")
   135  	assert.NoError(t, err)
   136  	assert.EqualValues(t, "service.foo", f)
   137  
   138  	f, err = dosa.ToFQN("MyService.Foo.V2")
   139  	assert.NoError(t, err)
   140  	assert.EqualValues(t, "myservice.foo.v2", f)
   141  
   142  	f, err = dosa.ToFQN("")
   143  	assert.NoError(t, err)
   144  	assert.EqualValues(t, "", f)
   145  
   146  	_, err = dosa.ToFQN("service.an entity")
   147  	assert.Error(t, err)
   148  
   149  	_, err = dosa.ToFQN("germanRush.über")
   150  	assert.Error(t, err)
   151  }
   152  
   153  func TestFQNChild(t *testing.T) {
   154  	fqn, err := dosa.ToFQN("foo.bar")
   155  	assert.NoError(t, err)
   156  
   157  	c, err := fqn.Child("qux")
   158  	assert.NoError(t, err)
   159  	assert.EqualValues(t, "foo.bar.qux", c)
   160  
   161  	_, err = fqn.Child("世界")
   162  	assert.Error(t, err)
   163  }
   164  
   165  func TestFQNStringer(t *testing.T) {
   166  	fqn, err := dosa.ToFQN("foo.bar")
   167  	assert.NoError(t, err)
   168  	assert.Equal(t, "foo.bar", fqn.String())
   169  }