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package input
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/johnkerl/miller/v6/pkg/cli"
)
func TestRecordFromDKVPLine(t *testing.T) {
readerOptions := cli.DefaultReaderOptions()
cli.FinalizeReaderOptions(&readerOptions) // compute IPS, IFS -> IPSRegex, IFSRegex
reader, err := NewRecordReaderDKVP(&readerOptions, 1)
assert.NotNil(t, reader)
assert.Nil(t, err)
line := ""
record, err := recordFromDKVPLine(reader, line)
assert.NotNil(t, record)
assert.Nil(t, err)
assert.Equal(t, int64(0), record.FieldCount)
line = "a=1,b=2,c=3"
record, err = recordFromDKVPLine(reader, line)
assert.NotNil(t, record)
assert.Nil(t, err)
assert.Equal(t, int64(3), record.FieldCount)
assert.NotNil(t, record.Head)
assert.NotNil(t, record.Head.Next)
assert.NotNil(t, record.Head.Next.Next)
assert.Nil(t, record.Head.Next.Next.Next)
assert.Equal(t, record.Head.Key, "a")
assert.Equal(t, record.Head.Next.Key, "b")
assert.Equal(t, record.Head.Next.Next.Key, "c")
// Default is to dedupe to a=1,b=2,b_2=3
line = "a=1,b=2,b=3"
record, err = recordFromDKVPLine(reader, line)
assert.NotNil(t, record)
assert.Nil(t, err)
assert.Equal(t, int64(3), record.FieldCount)
assert.NotNil(t, record.Head)
assert.NotNil(t, record.Head.Next)
assert.NotNil(t, record.Head.Next.Next)
assert.Nil(t, record.Head.Next.Next.Next)
assert.Equal(t, record.Head.Key, "a")
assert.Equal(t, record.Head.Next.Key, "b")
assert.Equal(t, record.Head.Next.Next.Key, "b_2")
line = "a,b,c"
record, err = recordFromDKVPLine(reader, line)
assert.NotNil(t, record)
assert.Nil(t, err)
assert.Equal(t, int64(3), record.FieldCount)
assert.NotNil(t, record.Head)
assert.NotNil(t, record.Head.Next)
assert.NotNil(t, record.Head.Next.Next)
assert.Nil(t, record.Head.Next.Next.Next)
assert.Equal(t, record.Head.Key, "1")
assert.Equal(t, record.Head.Next.Key, "2")
assert.Equal(t, record.Head.Next.Next.Key, "3")
}
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