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155 lines
4.0 KiB
Go

package main
import (
"strings"
"testing"
)
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type valueTest struct {
in string
out value
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}
func eq(v1, v2 value) bool {
switch t1 := v1.(type) {
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case Array:
t2, ok := v2.(Array)
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if !ok {
return false
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}
if len(t1) != len(t2) {
return false
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}
for i := 0; i < len(t1); i++ {
if !eq(t1[i], t2[i]) {
return false
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}
}
return true
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default:
return v1 == v2
}
}
func (test valueTest) run(t *testing.T) {
v, err := readValue(strings.NewReader(test.in + "\r\n"))
if err != nil {
t.Errorf("valueTest error: %v", err)
}
if !eq(v, test.out) {
t.Errorf("expected %v, got %v", test.out, v)
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}
}
var valueTests = []valueTest{
{"+hello", String("hello")},
{"+one two", String("one two")}, // intermediate space
{"+one two ", String("one two ")}, // trailing space
{"+ one two", String(" one two")}, // leading space
{"-hello", Error("hello")},
{"-one two", Error("one two")}, // intermediate space
{"-one two ", Error("one two ")}, // trailing space
{"- one two", Error(" one two")}, // leading space
{"$-1\r\n", nil},
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{"$0\r\n\r\n", BulkString("")}, // is this even a thing?
{"$1\r\nx\r\n", BulkString("x")},
{"$4\r\netsy\r\n", BulkString("etsy")},
{"$12\r\nSaskatchewan\r\n", BulkString("Saskatchewan")},
{":0", Integer(0)},
{":1", Integer(1)},
{":-1", Integer(-1)},
{":12345", Integer(12345)},
{":-12345", Integer(-12345)},
{":9223372036854775807", Integer(9223372036854775807)}, // int64 max
{":-9223372036854775808", Integer(-9223372036854775808)}, // int64 min
{"+hello\r\n+extra\r\n", String("hello")},
{"+one two\r\n+extra\r\n", String("one two")}, // intermediate space
{"+one two \r\n+extra\r\n", String("one two ")}, // trailing space
{"+ one two\r\n+extra\r\n", String(" one two")}, // leading space
{"-hello\r\n+extra\r\n", Error("hello")},
{"-one two\r\n+extra\r\n", Error("one two")}, // intermediate space
{"-one two \r\n+extra\r\n", Error("one two ")}, // trailing space
{"- one two\r\n+extra\r\n", Error(" one two")}, // leading space
{":0\r\n+extra\r\n", Integer(0)},
{":1\r\n+extra\r\n", Integer(1)},
{":-1\r\n+extra\r\n", Integer(-1)},
{":12345\r\n+extra\r\n", Integer(12345)},
{":-12345\r\n+extra\r\n", Integer(-12345)},
{":9223372036854775807\r\n+extra\r\n", Integer(9223372036854775807)}, // int64 max
{":-9223372036854775808\r\n+extra\r\n", Integer(-9223372036854775808)}, // int64 min
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{"*-1\r\n", nil}, // nil array
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{"*0\r\n", Array{}}, // is this a thing? I have no idea.
{"*1\r\n+hello\r\n", Array{String("hello")}},
{"*2\r\n+one\r\n+two", Array{String("one"), String("two")}},
{"*2\r\n$4\r\necho\r\n$5\r\nhello", Array{BulkString("echo"), BulkString("hello")}},
{"*2\r\n$4\r\necho\r\n$5\r\nhello\r\n+extra\r\n", Array{BulkString("echo"), BulkString("hello")}},
}
func TestValues(t *testing.T) {
for _, test := range valueTests {
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test.run(t)
}
}
type streamTest []interface{}
var streamTests = []streamTest{
{"+hello\r\n", String("hello")},
{":1\r\n:2\r\n:3\r\n", Integer(1), Integer(2), Integer(3)},
{"*0\r\n", Array{}},
{"*1\r\n+one\r\n", Array{String("one")}},
{"*2\r\n+one\r\n+two\r\n", Array{String("one"), String("two")}},
{
"+preamble\r\n*2\r\n+one\r\n+two\r\n",
String("preamble"),
Array{String("one"), String("two")},
},
{
"+preamble\r\n*2\r\n+one\r\n+two\r\n+outro\r\n",
String("preamble"),
Array{String("one"), String("two")},
String("outro"),
},
{
"+preamble\r\n*2\r\n$3\r\none\r\n$3\r\ntwo\r\n+outro\r\n",
String("preamble"),
Array{BulkString("one"), BulkString("two")},
String("outro"),
},
{"-bad\r\n", Error("bad")},
}
func (s streamTest) run(t *testing.T) {
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in, out := s[0].(string), make([]value, len(s)-1)
for i := 1; i < len(s); i++ {
out[i-1] = s[i].(value)
}
c := make(chan maybe)
go streamValues(strings.NewReader(in), c)
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var count int
for v := range c {
if v.ok() {
if !eq(out[count], v.val()) {
t.Errorf("expected %q, got %q", out[count], v.val())
}
} else {
t.Error(v.err())
}
count++
}
}
func TestStreams(t *testing.T) {
for _, test := range streamTests {
test.run(t)
}
}