tile38/pkg/glob/glob_test.go

427 lines
10 KiB
Go

package glob
import (
"math/rand"
"testing"
"time"
)
func test(t *testing.T, pattern string, desc bool, limitsExpect []string, isGlobExpect bool) {
g := Parse(pattern, desc)
if g.IsGlob != isGlobExpect {
t.Fatalf("pattern[%v] desc[%v] (isGlob=%v, expected=%v)", pattern, desc, g.IsGlob, isGlobExpect)
}
if g.Limits[0] != limitsExpect[0] || g.Limits[1] != limitsExpect[1] {
t.Fatalf("pattern[%v] desc[%v] (limits=%v, expected=%v)", pattern, desc, g.Limits, limitsExpect)
}
if g.Pattern != pattern {
t.Fatalf("pattern[%v] desc[%v] (pattern=%v, expected=%v)", pattern, desc, g.Pattern, pattern)
}
if g.Desc != desc {
t.Fatalf("pattern[%v] desc[%v] (desc=%v, expected=%v)", pattern, desc, g.Desc, desc)
}
}
func TestGlob(t *testing.T) {
test(t, "*", false, []string{"", ""}, true)
test(t, "", false, []string{"", ""}, false)
test(t, "hello*", false, []string{"hello", "hellp"}, true)
test(t, "hello", false, []string{"hello", "hellp"}, false)
test(t, "\xff*", false, []string{"\xff", "\xff\x00"}, true)
test(t, "\x00*", false, []string{"\x00", "\x01"}, true)
test(t, "\xff", false, []string{"\xff", "\xff\x00"}, false)
test(t, "*", true, []string{"", ""}, true)
test(t, "", true, []string{"", ""}, false)
test(t, "hello*", true, []string{"hellp", "helln"}, true)
test(t, "hello", true, []string{"hellp", "helln"}, false)
test(t, "a\xff*", true, []string{"a\xff\x00", "a\xfe"}, true)
test(t, "\x00*", true, []string{"\x01", ""}, true)
test(t, "\x01*", true, []string{"\x02", "\x00"}, true)
test(t, "b\x00*", true, []string{"b\x01", "a\xff"}, true)
test(t, "\x00\x00*", true, []string{"\x00\x01", ""}, true)
test(t, "\x00\x01\x00*", true, []string{"\x00\x01\x01", "\x00\x00\xff"}, true)
}
func testMatch(s, pattern string) bool {
ok, _ := Match(pattern, s)
return ok
}
func TestMatch(t *testing.T) {
if !testMatch("hello world", "hello world") {
t.Fatal("fail")
}
if testMatch("hello world", "jello world") {
t.Fatal("fail")
}
if !testMatch("hello world", "hello*") {
t.Fatal("fail")
}
if testMatch("hello world", "jello*") {
t.Fatal("fail")
}
if !testMatch("hello world", "hello?world") {
t.Fatal("fail")
}
if testMatch("hello world", "jello?world") {
t.Fatal("fail")
}
if !testMatch("hello world", "he*o?world") {
t.Fatal("fail")
}
if !testMatch("hello world", "he*o?wor*") {
t.Fatal("fail")
}
if !testMatch("hello world", "he*o?*r*") {
t.Fatal("fail")
}
if !testMatch("的情况下解析一个", "*") {
t.Fatal("fail")
}
if !testMatch("的情况下解析一个", "*况下*") {
t.Fatal("fail")
}
if !testMatch("的情况下解析一个", "*况?*") {
t.Fatal("fail")
}
if !testMatch("的情况下解析一个", "的情况?解析一个") {
t.Fatal("fail")
}
}
// TestWildcardMatch - Tests validate the logic of wild card matching.
// `WildcardMatch` supports '*' and '?' wildcards.
// Sample usage: In resource matching for folder policy validation.
func TestWildcardMatch(t *testing.T) {
testCases := []struct {
pattern string
text string
matched bool
}{
// Test case - 1.
// Test case with pattern containing key name with a prefix. Should accept the same text without a "*".
{
pattern: "my-folder/oo*",
text: "my-folder/oo",
matched: true,
},
// Test case - 2.
// Test case with "*" at the end of the pattern.
{
pattern: "my-folder/In*",
text: "my-folder/India/Karnataka/",
matched: true,
},
// Test case - 3.
// Test case with prefixes shuffled.
// This should fail.
{
pattern: "my-folder/In*",
text: "my-folder/Karnataka/India/",
matched: false,
},
// Test case - 4.
// Test case with text expanded to the wildcards in the pattern.
{
pattern: "my-folder/In*/Ka*/Ban",
text: "my-folder/India/Karnataka/Ban",
matched: true,
},
// Test case - 5.
// Test case with the keyname part is repeated as prefix several times.
// This is valid.
{
pattern: "my-folder/In*/Ka*/Ban",
text: "my-folder/India/Karnataka/Ban/Ban/Ban/Ban/Ban",
matched: true,
},
// Test case - 6.
// Test case to validate that `*` can be expanded into multiple prefixes.
{
pattern: "my-folder/In*/Ka*/Ban",
text: "my-folder/India/Karnataka/Area1/Area2/Area3/Ban",
matched: true,
},
// Test case - 7.
// Test case to validate that `*` can be expanded into multiple prefixes.
{
pattern: "my-folder/In*/Ka*/Ban",
text: "my-folder/India/State1/State2/Karnataka/Area1/Area2/Area3/Ban",
matched: true,
},
// Test case - 8.
// Test case where the keyname part of the pattern is expanded in the text.
{
pattern: "my-folder/In*/Ka*/Ban",
text: "my-folder/India/Karnataka/Bangalore",
matched: false,
},
// Test case - 9.
// Test case with prefixes and wildcard expanded for all "*".
{
pattern: "my-folder/In*/Ka*/Ban*",
text: "my-folder/India/Karnataka/Bangalore",
matched: true,
},
// Test case - 10.
// Test case with keyname part being a wildcard in the pattern.
{pattern: "my-folder/*",
text: "my-folder/India",
matched: true,
},
// Test case - 11.
{
pattern: "my-folder/oo*",
text: "my-folder/odo",
matched: false,
},
// Test case with pattern containing wildcard '?'.
// Test case - 12.
// "my-folder?/" matches "my-folder1/", "my-folder2/", "my-folder3" etc...
// doesn't match "myfolder/".
{
pattern: "my-folder?/abc*",
text: "myfolder/abc",
matched: false,
},
// Test case - 13.
{
pattern: "my-folder?/abc*",
text: "my-folder1/abc",
matched: true,
},
// Test case - 14.
{
pattern: "my-?-folder/abc*",
text: "my--folder/abc",
matched: false,
},
// Test case - 15.
{
pattern: "my-?-folder/abc*",
text: "my-1-folder/abc",
matched: true,
},
// Test case - 16.
{
pattern: "my-?-folder/abc*",
text: "my-k-folder/abc",
matched: true,
},
// Test case - 17.
{
pattern: "my??folder/abc*",
text: "myfolder/abc",
matched: false,
},
// Test case - 18.
{
pattern: "my??folder/abc*",
text: "my4afolder/abc",
matched: true,
},
// Test case - 19.
{
pattern: "my-folder?abc*",
text: "my-folder/abc",
matched: true,
},
// Test case 20-21.
// '?' matches '/' too. (works with s3).
// This is because the namespace is considered flat.
// "abc?efg" matches both "abcdefg" and "abc/efg".
{
pattern: "my-folder/abc?efg",
text: "my-folder/abcdefg",
matched: true,
},
{
pattern: "my-folder/abc?efg",
text: "my-folder/abc/efg",
matched: true,
},
// Test case - 22.
{
pattern: "my-folder/abc????",
text: "my-folder/abc",
matched: false,
},
// Test case - 23.
{
pattern: "my-folder/abc????",
text: "my-folder/abcde",
matched: false,
},
// Test case - 24.
{
pattern: "my-folder/abc????",
text: "my-folder/abcdefg",
matched: true,
},
// Test case 25-26.
// test case with no '*'.
{
pattern: "my-folder/abc?",
text: "my-folder/abc",
matched: false,
},
{
pattern: "my-folder/abc?",
text: "my-folder/abcd",
matched: true,
},
{
pattern: "my-folder/abc?",
text: "my-folder/abcde",
matched: false,
},
// Test case 27.
{
pattern: "my-folder/mnop*?",
text: "my-folder/mnop",
matched: false,
},
// Test case 28.
{
pattern: "my-folder/mnop*?",
text: "my-folder/mnopqrst/mnopqr",
matched: true,
},
// Test case 29.
{
pattern: "my-folder/mnop*?",
text: "my-folder/mnopqrst/mnopqrs",
matched: true,
},
// Test case 30.
{
pattern: "my-folder/mnop*?",
text: "my-folder/mnop",
matched: false,
},
// Test case 31.
{
pattern: "my-folder/mnop*?",
text: "my-folder/mnopq",
matched: true,
},
// Test case 32.
{
pattern: "my-folder/mnop*?",
text: "my-folder/mnopqr",
matched: true,
},
// Test case 33.
{
pattern: "my-folder/mnop*?and",
text: "my-folder/mnopqand",
matched: true,
},
// Test case 34.
{
pattern: "my-folder/mnop*?and",
text: "my-folder/mnopand",
matched: false,
},
// Test case 35.
{
pattern: "my-folder/mnop*?and",
text: "my-folder/mnopqand",
matched: true,
},
// Test case 36.
{
pattern: "my-folder/mnop*?",
text: "my-folder/mn",
matched: false,
},
// Test case 37.
{
pattern: "my-folder/mnop*?",
text: "my-folder/mnopqrst/mnopqrs",
matched: true,
},
// Test case 38.
{
pattern: "my-folder/mnop*??",
text: "my-folder/mnopqrst",
matched: true,
},
// Test case 39.
{
pattern: "my-folder/mnop*qrst",
text: "my-folder/mnopabcdegqrst",
matched: true,
},
// Test case 40.
{
pattern: "my-folder/mnop*?and",
text: "my-folder/mnopqand",
matched: true,
},
// Test case 41.
{
pattern: "my-folder/mnop*?and",
text: "my-folder/mnopand",
matched: false,
},
// Test case 42.
{
pattern: "my-folder/mnop*?and?",
text: "my-folder/mnopqanda",
matched: true,
},
// Test case 43.
{
pattern: "my-folder/mnop*?and",
text: "my-folder/mnopqanda",
matched: false,
},
// Test case 44.
{
pattern: "my-?-folder/abc*",
text: "my-folder/mnopqanda",
matched: false,
},
}
// Iterating over the test cases, call the function under test and asert the output.
for i, testCase := range testCases {
actualResult := testMatch(testCase.text, testCase.pattern)
if testCase.matched != actualResult {
t.Errorf("Test %d: Expected the result to be `%v`, but instead found it to be `%v`", i+1, testCase.matched, actualResult)
}
}
}
func TestRandomInput(t *testing.T) {
rand.Seed(time.Now().UnixNano())
b1 := make([]byte, 100)
b2 := make([]byte, 100)
for i := 0; i < 1000000; i++ {
if _, err := rand.Read(b1); err != nil {
t.Fatal(err)
}
if _, err := rand.Read(b2); err != nil {
t.Fatal(err)
}
testMatch(string(b1), string(b2))
}
}
func BenchmarkAscii(t *testing.B) {
for i := 0; i < t.N; i++ {
if !testMatch("hello", "hello") {
t.Fatal("fail")
}
}
}
func BenchmarkUnicode(t *testing.B) {
for i := 0; i < t.N; i++ {
if !testMatch("h情llo", "h情llo") {
t.Fatal("fail")
}
}
}