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type_varchar_test.go
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type_varchar_test.go
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package parco
import (
"bytes"
"strings"
"testing"
)
func createString(length int, repeat string) string {
return strings.Repeat(repeat, length)
}
func TestVarcharType_Compile(t *testing.T) {
tests := []struct {
Name string
Type Type[string]
Payload string
Expected []byte
ExpectsError bool
}{
{
Name: "compile with uint8 header should succeed",
Type: SmallVarchar(),
Payload: "HOLA",
Expected: []byte{4, 72, 79, 76, 65},
ExpectsError: false,
},
{
Name: "compile large string with uint8 header should fail",
Type: SmallVarchar(),
Payload: createString(256, "A"),
Expected: nil,
ExpectsError: true,
},
{
Name: "compile with uint16 header should succeed",
Type: Varchar(),
Payload: "HOLA",
Expected: []byte{4, 0, 72, 79, 76, 65},
ExpectsError: false,
},
{
Name: "compile large string with uint8 header should fail",
Type: SmallVarchar(),
Payload: createString(66000, "A"),
Expected: nil,
ExpectsError: true,
},
}
for _, test := range tests {
t.Run(test.Name, func(t *testing.T) {
actual := bytes.NewBuffer(nil)
err := test.Type.Compile(test.Payload, actual)
hasError := err != nil
if hasError != test.ExpectsError {
t.Fatalf("unexpected compile error %s", err)
}
if test.ExpectsError {
return
}
if bytes.Compare(actual.Bytes(), test.Expected) != 0 {
t.Errorf("unexpected compile result, \nwant: '%v' \nhave: '%v'",
test.Expected, actual)
}
})
}
}