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package schema
import (
"io"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func TestScanWords(t *testing.T) {
cases := map[string]TokenKind{
"uint": TUINT,
"u8": TU8,
"u16": TU16,
"u32": TU32,
"u64": TU64,
"int": TINT,
"i8": TI8,
"i16": TI16,
"i32": TI32,
"i64": TI64,
"f32": TF32,
"f64": TF64,
"bool": TBOOL,
"string": TSTRING,
"data": TDATA,
"void": TVOID,
"map": TMAP,
"optional": TOPTIONAL,
}
for input, reference := range cases {
scanner := NewScanner(strings.NewReader(input))
tok, err := scanner.Next()
assert.NoError(t, err, "Expected Scan to return without error")
assert.Empty(t, tok.Value, "Expected Scan to return no value")
assert.Equal(t, reference, tok.Token,
"Expected Scan to return reference value for %s", input)
_, err = scanner.Next()
assert.Equal(t, io.EOF, err, "Expected Scan to return EOF")
}
scanner := NewScanner(strings.NewReader("hello"))
tok, err := scanner.Next()
assert.NoError(t, err, "Expected Scan to return without error")
assert.Equal(t, tok.Value, "hello", "Expected Scan to return value 'hello'")
assert.Equal(t, TNAME, tok.Token, "Expected Scan to return TNAME")
_, err = scanner.Next()
assert.Equal(t, io.EOF, err, "Expected Scan to return EOF")
}
func TestScanInteger(t *testing.T) {
scanner := NewScanner(strings.NewReader("12345"))
tok, err := scanner.Next()
assert.NoError(t, err, "Expected Scan to return without error")
assert.Equal(t, tok.Value, "12345", "Expected Scan to return value '12345'")
assert.Equal(t, TINTEGER, tok.Token, "Expected Scan to return TINTEGER")
_, err = scanner.Next()
assert.Equal(t, io.EOF, err, "Expected Scan to return EOF")
}
func TestScanSymbols(t *testing.T) {
cases := map[string]TokenKind{
"<": TLANGLE,
">": TRANGLE,
"{": TLBRACE,
"}": TRBRACE,
"[": TLBRACKET,
"]": TRBRACKET,
"(": TLPAREN,
")": TRPAREN,
}
for input, reference := range cases {
scanner := NewScanner(strings.NewReader(input))
tok, err := scanner.Next()
assert.NoError(t, err, "Expected Scan to return without error")
assert.Empty(t, tok.Value, "Expected Scan to return no value")
assert.Equal(t, reference, tok.Token,
"Expected Scan to return reference value for %s", input)
_, err = scanner.Next()
assert.Equal(t, io.EOF, err, "Expected Scan to return EOF")
}
}
func TestScanSample(t *testing.T) {
sample := `
type PublicKey data<128>
type Time string # ISO T8601
enum Department u8 {
ACCOUNTING
ADMINISTRATION
CUSTOMER_SERVICE
DEVELOPMENT
# Reserved for the CEO
JSMITH = 99
}
type Customer {
name: string
email: string
address: Address
orders: []{
orderId: i64
quantity: i32
}
metadata: map[string]data
}
type Person (Customer | Employee)`
reference := []Token{
{TTYPE, ""}, {TNAME, "PublicKey"}, {TDATA, ""},
{TLANGLE, ""}, {TINTEGER, "128"}, {TRANGLE, ""},
{TTYPE, ""}, {TNAME, "Time"}, {TSTRING, ""},
{TENUM, ""}, {TNAME, "Department"}, {TU8, ""}, {TLBRACE, ""},
{TNAME, "ACCOUNTING"},
{TNAME, "ADMINISTRATION"},
{TNAME, "CUSTOMER_SERVICE"},
{TNAME, "DEVELOPMENT"},
{TNAME, "JSMITH"}, {TEQUAL, ""}, {TINTEGER, "99"},
{TRBRACE, ""},
{TTYPE, ""}, {TNAME, "Customer"}, {TLBRACE, ""},
{TNAME, "name"}, {TCOLON, ""}, {TSTRING, ""},
{TNAME, "email"}, {TCOLON, ""}, {TSTRING, ""},
{TNAME, "address"}, {TCOLON, ""}, {TNAME, "Address"},
{TNAME, "orders"}, {TCOLON, ""}, {TLBRACKET, ""}, {TRBRACKET, ""}, {TLBRACE, ""},
{TNAME, "orderId"}, {TCOLON, ""}, {TI64, ""},
{TNAME, "quantity"}, {TCOLON, ""}, {TI32, ""},
{TRBRACE, ""},
{TNAME, "metadata"}, {TCOLON, ""},
{TMAP, ""}, {TLBRACKET, ""}, {TSTRING, ""}, {TRBRACKET, ""},
{TDATA, ""},
{TRBRACE, ""},
{TTYPE, ""}, {TNAME, "Person"},
{TLPAREN, ""}, {TNAME, "Customer"},
{TPIPE, ""}, {TNAME, "Employee"},
{TRPAREN, ""},
}
scanner := NewScanner(strings.NewReader(sample))
for i, ref := range reference {
tok, err := scanner.Next()
assert.NoError(t, err, "Expected Scan to return without error for reference %d", i)
assert.Equal(t, ref.Token, tok.Token, "Expected Scan to return correct token for reference %d", i)
assert.Equal(t, ref.Value, tok.Value, "Expected Scan to return correct value for reference %d", i)
}
_, err := scanner.Next()
assert.Equal(t, io.EOF, err, "Expected Scan to return EOF")
}
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