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// SPDX-License-Identifier: GPL-3.0-or-later
package logs
import (
"strings"
"testing"
"github.com/Wing924/ltsv"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var testLTSVConfig = LTSVConfig{
FieldDelimiter: " ",
ValueDelimiter: "=",
Mapping: map[string]string{"KEY": "key"},
}
func TestNewLTSVParser(t *testing.T) {
tests := []struct {
name string
config LTSVConfig
wantErr bool
}{
{name: "config", config: testLTSVConfig},
{name: "empty config"},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
p, err := NewLTSVParser(tt.config, nil)
if tt.wantErr {
assert.Error(t, err)
assert.Nil(t, p)
} else {
assert.NoError(t, err)
assert.NotNil(t, p)
if tt.config.FieldDelimiter == "" {
assert.Equal(t, ltsv.DefaultParser.FieldDelimiter, p.parser.FieldDelimiter)
} else {
assert.Equal(t, tt.config.FieldDelimiter, string(p.parser.FieldDelimiter))
}
if tt.config.ValueDelimiter == "" {
assert.Equal(t, ltsv.DefaultParser.ValueDelimiter, p.parser.ValueDelimiter)
} else {
assert.Equal(t, tt.config.ValueDelimiter, string(p.parser.ValueDelimiter))
}
assert.Equal(t, tt.config.Mapping, p.mapping)
}
})
}
}
func TestLTSVParser_ReadLine(t *testing.T) {
tests := []struct {
name string
row string
wantErr bool
wantParseErr bool
}{
{name: "no error", row: "A=1 B=2 KEY=3"},
{name: "error on parsing", row: "NO LABEL", wantErr: true, wantParseErr: true},
{name: "error on assigning", row: "A=1 ERR=2", wantErr: true, wantParseErr: true},
{name: "error on reading EOF", row: "", wantErr: true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var line logLine
r := strings.NewReader(tt.row)
p, err := NewLTSVParser(testLTSVConfig, r)
require.NoError(t, err)
err = p.ReadLine(&line)
if tt.wantErr {
require.Error(t, err)
if tt.wantParseErr {
assert.True(t, IsParseError(err))
} else {
assert.False(t, IsParseError(err))
}
} else {
assert.NoError(t, err)
}
})
}
}
func TestLTSVParser_Parse(t *testing.T) {
tests := []struct {
name string
row string
wantErr bool
}{
{name: "no error", row: "A=1 B=2"},
{name: "error on parsing", row: "NO LABEL", wantErr: true},
{name: "error on assigning", row: "A=1 ERR=2", wantErr: true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var line logLine
p, err := NewLTSVParser(testLTSVConfig, nil)
require.NoError(t, err)
err = p.Parse([]byte(tt.row), &line)
if tt.wantErr {
require.Error(t, err)
assert.True(t, IsParseError(err))
} else {
assert.NoError(t, err)
}
})
}
}
func TestLTSVParser_Info(t *testing.T) {
p, err := NewLTSVParser(testLTSVConfig, nil)
require.NoError(t, err)
assert.NotZero(t, p.Info())
}
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