| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package logs |
| 4 | |
| 5 | import ( |
| 6 | "strings" |
| 7 | "testing" |
| 8 | |
| 9 | "github.com/stretchr/testify/assert" |
| 10 | "github.com/stretchr/testify/require" |
| 11 | ) |
| 12 | |
| 13 | var testCSVConfig = CSVConfig{ |
| 14 | Delimiter: " ", |
| 15 | Format: "$A %B", |
| 16 | } |
| 17 | |
| 18 | func TestNewCSVParser(t *testing.T) { |
| 19 | tests := []struct { |
| 20 | name string |
| 21 | format string |
| 22 | wantErr bool |
| 23 | }{ |
| 24 | {name: "valid format", format: "$A $B"}, |
| 25 | {name: "empty format", wantErr: true}, |
| 26 | {name: "bad format: csv read error", format: "$A $B \"$C", wantErr: true}, |
| 27 | {name: "bad format: duplicate fields", format: "$A $A", wantErr: true}, |
| 28 | {name: "bad format: zero fields", format: "!A !B", wantErr: true}, |
| 29 | } |
| 30 | |
| 31 | for _, tt := range tests { |
| 32 | t.Run(tt.name, func(t *testing.T) { |
| 33 | c := testCSVConfig |
| 34 | c.Format = tt.format |
| 35 | p, err := NewCSVParser(c, nil) |
| 36 | if tt.wantErr { |
| 37 | assert.Error(t, err) |
| 38 | assert.Nil(t, p) |
| 39 | } else { |
| 40 | assert.NoError(t, err) |
| 41 | assert.NotNil(t, p) |
| 42 | } |
| 43 | }) |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | func TestNewCSVFormat(t *testing.T) { |
| 48 | tests := []struct { |
| 49 | format string |
| 50 | wantFormat csvFormat |
| 51 | wantErr bool |
| 52 | }{ |
| 53 | {format: "$A $B", wantFormat: csvFormat{maxIndex: 1, fields: []csvField{{"$A", 0}, {"$B", 1}}}}, |
| 54 | {format: "$A $B !C $E", wantFormat: csvFormat{maxIndex: 3, fields: []csvField{{"$A", 0}, {"$B", 1}, {"$E", 3}}}}, |
| 55 | {format: "!A !B !C $E", wantFormat: csvFormat{maxIndex: 3, fields: []csvField{{"$E", 3}}}}, |
| 56 | {format: "$A $OFFSET $B", wantFormat: csvFormat{maxIndex: 3, fields: []csvField{{"$A", 0}, {"$B", 3}}}}, |
| 57 | {format: "$A $OFFSET $B $OFFSET !A", wantFormat: csvFormat{maxIndex: 3, fields: []csvField{{"$A", 0}, {"$B", 3}}}}, |
| 58 | {format: "$A $OFFSET $OFFSET $B", wantFormat: csvFormat{maxIndex: 5, fields: []csvField{{"$A", 0}, {"$B", 5}}}}, |
| 59 | {format: "$OFFSET $A $OFFSET $B", wantFormat: csvFormat{maxIndex: 5, fields: []csvField{{"$A", 2}, {"$B", 5}}}}, |
| 60 | {format: "$A \"$A", wantErr: true}, |
| 61 | {format: "$A $A", wantErr: true}, |
| 62 | {format: "!A !A", wantErr: true}, |
| 63 | {format: "", wantErr: true}, |
| 64 | } |
| 65 | |
| 66 | for _, tt := range tests { |
| 67 | t.Run(tt.format, func(t *testing.T) { |
| 68 | c := testCSVConfig |
| 69 | c.Format = tt.format |
| 70 | c.CheckField = testCheckCSVFormatField |
| 71 | tt.wantFormat.raw = tt.format |
| 72 | |
| 73 | f, err := newCSVFormat(c) |
| 74 | |
| 75 | if tt.wantErr { |
| 76 | assert.Error(t, err) |
| 77 | assert.Nil(t, f) |
| 78 | } else { |
| 79 | assert.NoError(t, err) |
| 80 | assert.Equal(t, tt.wantFormat, *f) |
| 81 | } |
| 82 | }) |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | func TestCSVParser_ReadLine(t *testing.T) { |
| 87 | tests := []struct { |
| 88 | name string |
| 89 | row string |
| 90 | format string |
| 91 | wantErr bool |
| 92 | wantParseErr bool |
| 93 | }{ |
| 94 | {name: "match and no error", row: "1 2 3", format: `$A $B $C`}, |
| 95 | {name: "match but error on assigning", row: "1 2 3", format: `$A $B $ERR`, wantErr: true, wantParseErr: true}, |
| 96 | {name: "not match", row: "1 2 3", format: `$A $B $C $d`, wantErr: true, wantParseErr: true}, |
| 97 | {name: "error on reading csv.Err", row: "1 2\"3", format: `$A $B $C`, wantErr: true, wantParseErr: true}, |
| 98 | {name: "error on reading EOF", row: "", format: `$A $B $C`, wantErr: true}, |
| 99 | } |
| 100 | |
| 101 | for _, tt := range tests { |
| 102 | t.Run(tt.name, func(t *testing.T) { |
| 103 | var line logLine |
| 104 | r := strings.NewReader(tt.row) |
| 105 | c := testCSVConfig |
| 106 | c.Format = tt.format |
| 107 | p, err := NewCSVParser(c, r) |
| 108 | require.NoError(t, err) |
| 109 | |
| 110 | err = p.ReadLine(&line) |
| 111 | |
| 112 | if tt.wantErr { |
| 113 | require.Error(t, err) |
| 114 | if tt.wantParseErr { |
| 115 | assert.True(t, IsParseError(err)) |
| 116 | } else { |
| 117 | assert.False(t, IsParseError(err)) |
| 118 | } |
| 119 | } else { |
| 120 | assert.NoError(t, err) |
| 121 | } |
| 122 | }) |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | func TestCSVParser_Parse(t *testing.T) { |
| 127 | tests := []struct { |
| 128 | name string |
| 129 | row string |
| 130 | format string |
| 131 | wantErr bool |
| 132 | }{ |
| 133 | {name: "match and no error", row: "1 2 3", format: `$A $B $C`}, |
| 134 | {name: "match but error on assigning", row: "1 2 3", format: `$A $B $ERR`, wantErr: true}, |
| 135 | {name: "not match", row: "1 2 3", format: `$A $B $C $d`, wantErr: true}, |
| 136 | {name: "error on reading csv.Err", row: "1 2\"3", format: `$A $B $C`, wantErr: true}, |
| 137 | } |
| 138 | |
| 139 | for _, tt := range tests { |
| 140 | t.Run(tt.name, func(t *testing.T) { |
| 141 | var line logLine |
| 142 | r := strings.NewReader(tt.row) |
| 143 | c := testCSVConfig |
| 144 | c.Format = tt.format |
| 145 | p, err := NewCSVParser(c, r) |
| 146 | require.NoError(t, err) |
| 147 | |
| 148 | err = p.ReadLine(&line) |
| 149 | |
| 150 | if tt.wantErr { |
| 151 | require.Error(t, err) |
| 152 | assert.True(t, IsParseError(err)) |
| 153 | } else { |
| 154 | assert.NoError(t, err) |
| 155 | } |
| 156 | }) |
| 157 | } |
| 158 | |
| 159 | } |
| 160 | |
| 161 | func TestCSVParser_Info(t *testing.T) { |
| 162 | p, err := NewCSVParser(testCSVConfig, nil) |
| 163 | require.NoError(t, err) |
| 164 | assert.NotZero(t, p.Info()) |
| 165 | } |
| 166 | |
| 167 | func testCheckCSVFormatField(name string) (newName string, offset int, valid bool) { |
| 168 | if len(name) < 2 || !strings.HasPrefix(name, "$") { |
| 169 | return "", 0, false |
| 170 | } |
| 171 | if name == "$OFFSET" { |
| 172 | return "", 1, false |
| 173 | } |
| 174 | return name, 0, true |
| 175 | } |