github.com/dolthub/go-mysql-server@v0.18.0/sql/expression/function/is_ip_test.go (about)

     1  // Copyright 2020-2021 Dolthub, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package function
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/require"
    21  
    22  	"github.com/dolthub/go-mysql-server/sql"
    23  	"github.com/dolthub/go-mysql-server/sql/expression"
    24  	"github.com/dolthub/go-mysql-server/sql/types"
    25  )
    26  
    27  func TestIsIPv4(t *testing.T) {
    28  	f := NewIsIPv4(expression.NewGetField(0, types.LongText, "", false))
    29  	testCases := []struct {
    30  		name     string
    31  		row      sql.Row
    32  		expected interface{}
    33  		err      bool
    34  	}{
    35  		{"null input", sql.NewRow(nil), nil, false},
    36  		{"valid ipv4 address", sql.NewRow("10.0.5.10"), true, false},
    37  		{"valid ipv6 address", sql.NewRow("fdfe::5a55:caff:fefa:9098"), false, false},
    38  		{"malformed ipv4 address", sql.NewRow("1.10.0.5.10"), false, false},
    39  		{"malformed ipv6 address", sql.NewRow("::ffffff"), false, false},
    40  		{"invalid ip address", sql.NewRow("thisisnotavalidipaddress"), false, false},
    41  	}
    42  	for _, tt := range testCases {
    43  		t.Run(tt.name, func(t *testing.T) {
    44  			t.Helper()
    45  			require := require.New(t)
    46  			ctx := sql.NewEmptyContext()
    47  
    48  			v, err := f.Eval(ctx, tt.row)
    49  			if tt.err {
    50  				require.Error(err)
    51  			} else {
    52  				require.NoError(err)
    53  				require.Equal(tt.expected, v)
    54  			}
    55  		})
    56  	}
    57  }
    58  
    59  func TestIsIPv6(t *testing.T) {
    60  	f := NewIsIPv6(expression.NewGetField(0, types.LongText, "", false))
    61  	testCases := []struct {
    62  		name     string
    63  		row      sql.Row
    64  		expected interface{}
    65  		err      bool
    66  	}{
    67  		{"null input", sql.NewRow(nil), nil, false},
    68  		{"valid ipv4 address", sql.NewRow("10.0.5.10"), false, false},
    69  		{"valid ipv6 address", sql.NewRow("::10.0.5.10"), true, false},
    70  		{"valid ipv6 address", sql.NewRow("fdfe::5a55:caff:fefa:9098"), true, false},
    71  		{"malformed ipv4 address", sql.NewRow("1.10.0.5.10"), false, false},
    72  		{"malformed ipv6 address", sql.NewRow("::ffffff"), false, false},
    73  		{"invalid ip address", sql.NewRow("thisisnotavalidipaddress"), false, false},
    74  	}
    75  	for _, tt := range testCases {
    76  		t.Run(tt.name, func(t *testing.T) {
    77  			t.Helper()
    78  			require := require.New(t)
    79  			ctx := sql.NewEmptyContext()
    80  
    81  			v, err := f.Eval(ctx, tt.row)
    82  			if tt.err {
    83  				require.Error(err)
    84  			} else {
    85  				require.NoError(err)
    86  				require.Equal(tt.expected, v)
    87  			}
    88  		})
    89  	}
    90  }
    91  
    92  func TestIsIPv4Compat(t *testing.T) {
    93  	f := NewIsIPv4Compat(expression.NewGetField(0, types.LongText, "", false))
    94  	testCases := []struct {
    95  		name     string
    96  		row      sql.Row
    97  		expected interface{}
    98  		err      bool
    99  	}{
   100  		{"null input", sql.NewRow(nil), nil, false},
   101  		{"valid ipv4 address", sql.NewRow([]byte{10, 0, 1, 10}), false, false},
   102  		{"valid ipv4-compat ipv6 address", sql.NewRow([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 0, 1, 10}), true, false},
   103  		{"valid ipv4-mapped ipv6 address", sql.NewRow([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 10, 0, 1, 10}), false, false},
   104  		{"malformed hex string", sql.NewRow([]byte{0, 0}), false, false},
   105  		{"invalid ip address", sql.NewRow("thisisnotavalidipaddress"), false, false},
   106  	}
   107  	for _, tt := range testCases {
   108  		t.Run(tt.name, func(t *testing.T) {
   109  			t.Helper()
   110  			require := require.New(t)
   111  			ctx := sql.NewEmptyContext()
   112  
   113  			v, err := f.Eval(ctx, tt.row)
   114  			if tt.err {
   115  				require.Error(err)
   116  			} else {
   117  				require.NoError(err)
   118  				require.Equal(tt.expected, v)
   119  			}
   120  		})
   121  	}
   122  }
   123  
   124  func TestIsIPv4Mapped(t *testing.T) {
   125  	f := NewIsIPv4Mapped(expression.NewGetField(0, types.LongText, "", false))
   126  	testCases := []struct {
   127  		name     string
   128  		row      sql.Row
   129  		expected interface{}
   130  		err      bool
   131  	}{
   132  		{"null input", sql.NewRow(nil), nil, false},
   133  		{"valid ipv4 address", sql.NewRow([]byte{10, 0, 1, 10}), false, false},
   134  		{"valid ipv4-compat ipv6 address", sql.NewRow([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 0, 1, 10}), false, false},
   135  		{"valid ipv4-mapped ipv6 address", sql.NewRow([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 10, 0, 1, 10}), true, false},
   136  		{"malformed hex string", sql.NewRow([]byte{0, 0}), false, false},
   137  		{"invalid ip address", sql.NewRow("thisisnotavalidipaddress"), false, false},
   138  	}
   139  	for _, tt := range testCases {
   140  		t.Run(tt.name, func(t *testing.T) {
   141  			t.Helper()
   142  			require := require.New(t)
   143  			ctx := sql.NewEmptyContext()
   144  
   145  			v, err := f.Eval(ctx, tt.row)
   146  			if tt.err {
   147  				require.Error(err)
   148  			} else {
   149  				require.NoError(err)
   150  				require.Equal(tt.expected, v)
   151  			}
   152  		})
   153  	}
   154  }