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package token
import (
"bytes"
"reflect"
"testing"
)
type testData struct {
text string
typ Type
value string
}
func TestLexer(t *testing.T) {
testInput := "ab??cd\ref+12345+@2@ab'"
l := NewLexer("", []byte(testInput))
var items []Token
for l.HasNext() {
item := l.Next()
items = append(items, item)
}
var itemTypes []Type
for _, item := range items {
itemTypes = append(itemTypes, item.Type())
}
expectedItemTypes := []Type{
TEXT,
DATA_ELEMENT_SEPARATOR,
NUMERIC,
DATA_ELEMENT_SEPARATOR,
BINARY_DATA,
SEGMENT_END_MARKER,
EOF,
}
if !reflect.DeepEqual(expectedItemTypes, itemTypes) {
t.Logf("Expected types to equal \n\t'%s' \ngot: \n\t'%s'\n", expectedItemTypes, itemTypes)
t.Fail()
}
}
func TestLexText(t *testing.T) {
tests := []testData{
{"ab\rcd'", TEXT, "ab\rcd"},
{"ab\ncd'", TEXT, "ab\ncd"},
{"ab\r\ncd'", TEXT, "ab\r\ncd"},
{"ab\n\rcd'", TEXT, "ab\n\rcd"},
{"ab\n\rcd", ERROR, "Unexpected end of input"},
}
for _, test := range tests {
l := NewLexer("", []byte(test.text))
item := l.Next()
if item.Type() != test.typ {
t.Logf("Input: %q\n", test.text)
t.Logf("Expected type to equal %s, got %s\n", test.typ, item.Type())
t.Fail()
}
if !bytes.Equal(item.Value(), []byte(test.value)) {
t.Logf("Input: %q\n", test.text)
t.Logf("Expected val to equal %q, got %q\n", test.value, item.Value())
t.Fail()
}
}
}
func TestLexAlphaNumeric(t *testing.T) {
tests := []testData{
{"ab'", ALPHA_NUMERIC, "ab"},
{"ab123'", ALPHA_NUMERIC, "ab123"},
{"ab!)'", ALPHA_NUMERIC, "ab!)"},
{"ab!)'", ALPHA_NUMERIC, "ab!)"},
{"ab!):", ALPHA_NUMERIC, "ab!)"},
{"ab!)+", ALPHA_NUMERIC, "ab!)"},
{"ab?''", ALPHA_NUMERIC, "ab?'"},
{"ab?@'", ALPHA_NUMERIC, "ab?@"},
{"ab?e", ERROR, "Unexpected escape character"},
{"ab", ERROR, "Unexpected end of input"},
{"ab??", ERROR, "Unexpected end of input"},
}
for _, test := range tests {
l := NewLexer("", []byte(test.text))
item := l.Next()
if item.Type() != test.typ {
t.Logf("Input: %q\n", test.text)
t.Logf("Expected type to equal %s, got %s\n", test.typ, item.Type())
t.Fail()
}
if !bytes.Equal(item.Value(), []byte(test.value)) {
t.Logf("Input: %q\n", test.text)
t.Logf("Expected val to equal %q, got %q\n", test.value, item.Value())
t.Fail()
}
}
}
func TestLexSyntaxSymbol(t *testing.T) {
tests := []testData{
{"'", SEGMENT_END_MARKER, "'"},
{"+", DATA_ELEMENT_SEPARATOR, "+"},
{":", GROUP_DATA_ELEMENT_SEPARATOR, ":"},
}
for _, test := range tests {
l := NewLexer("", []byte(test.text))
item := l.Next()
if item.Type() != test.typ {
t.Logf("Input: %q\n", test.text)
t.Logf("Expected type to equal %s, got %s\n", test.typ, item.Type())
t.Fail()
}
if !bytes.Equal(item.Value(), []byte(test.value)) {
t.Logf("Input: %q\n", test.text)
t.Logf("Expected val to equal %q, got %q\n", test.value, item.Value())
t.Fail()
}
}
}
func TestLexBinaryData(t *testing.T) {
tests := []testData{
{"@2@ab'", BINARY_DATA, "@2@ab"},
{"@@ab'", ERROR, "Binary length can't be empty"},
{"@2@a1@", ERROR, "Expected syntax symbol after binary data"},
{"@2@abc'", ERROR, "Expected syntax symbol after binary data"},
{"@2x@ab'", ERROR, "Binary length must contain of digits only"},
{"@2@ab", ERROR, "Unexpected end of input"},
}
for _, test := range tests {
l := NewLexer("", []byte(test.text))
item := l.Next()
if item.Type() != test.typ {
t.Logf("Input: %q\n", test.text)
t.Logf("Expected type to equal %s, got %s\n", test.typ, item.Type())
t.Fail()
}
if !bytes.Equal(item.Value(), []byte(test.value)) {
t.Logf("Input: %q\n", test.text)
t.Logf("Expected val to equal %q, got %q\n", test.value, item.Value())
t.Fail()
}
}
}
func TestLexDigit(t *testing.T) {
tests := []testData{
{"123'", NUMERIC, "123"},
{"0123'", DIGIT, "0123"},
{"0,123'", FLOAT, "0,123"},
{"1,23'", FLOAT, "1,23"},
{"1,''", FLOAT, "1,"},
{"0'", NUMERIC, "0"},
{"0,'", FLOAT, "0,"},
{"01,23'", ERROR, "Malformed float"},
{"0,12a'", ALPHA_NUMERIC, "0,12a"},
{"1,23a'", ALPHA_NUMERIC, "1,23a"},
{"012a'", ALPHA_NUMERIC, "012a"},
{"12a'", ALPHA_NUMERIC, "12a"},
{"12?+'", ALPHA_NUMERIC, "12?+"},
{"12", ERROR, "Unexpected end of input"},
}
for _, test := range tests {
l := NewLexer("", []byte(test.text))
item := l.Next()
if item.Type() != test.typ {
t.Logf("Input: %q\n", test.text)
t.Logf("Expected type to equal %s, got %s\n", test.typ, item.Type())
t.Fail()
}
if !bytes.Equal(item.Value(), []byte(test.value)) {
t.Logf("Input: %q\n", test.text)
t.Logf("Expected val to equal %q, got %q\n", test.value, item.Value())
t.Fail()
}
}
}
|
