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minio/pkg/wildcard/match_test.go

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/*
* MinIO Cloud Storage, (C) 2015, 2016 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package wildcard_test
import (
"testing"
"github.com/minio/minio/pkg/wildcard"
)
// TestMatch - Tests validate the logic of wild card matching.
// `Match` supports '*' and '?' wildcards.
// Sample usage: In resource matching for bucket policy validation.
func TestMatch(t *testing.T) {
testCases := []struct {
pattern string
text string
matched bool
}{
// Test case - 1.
// Test case with pattern "*". Expected to match any text.
{
pattern: "*",
text: "s3:GetObject",
matched: true,
},
// Test case - 2.
// Test case with empty pattern. This only matches empty string.
{
pattern: "",
text: "s3:GetObject",
matched: false,
},
// Test case - 3.
// Test case with empty pattern. This only matches empty string.
{
pattern: "",
text: "",
matched: true,
},
// Test case - 4.
// Test case with single "*" at the end.
{
pattern: "s3:*",
text: "s3:ListMultipartUploadParts",
matched: true,
},
// Test case - 5.
// Test case with a no "*". In this case the pattern and text should be the same.
{
pattern: "s3:ListBucketMultipartUploads",
text: "s3:ListBucket",
matched: false,
},
// Test case - 6.
// Test case with a no "*". In this case the pattern and text should be the same.
{
pattern: "s3:ListBucket",
text: "s3:ListBucket",
matched: true,
},
// Test case - 7.
// Test case with a no "*". In this case the pattern and text should be the same.
{
pattern: "s3:ListBucketMultipartUploads",
text: "s3:ListBucketMultipartUploads",
matched: true,
},
// Test case - 8.
// Test case with pattern containing key name with a prefix. Should accept the same text without a "*".
{
pattern: "my-bucket/oo*",
text: "my-bucket/oo",
matched: true,
},
// Test case - 9.
// Test case with "*" at the end of the pattern.
{
pattern: "my-bucket/In*",
text: "my-bucket/India/Karnataka/",
matched: true,
},
// Test case - 10.
// Test case with prefixes shuffled.
// This should fail.
{
pattern: "my-bucket/In*",
text: "my-bucket/Karnataka/India/",
matched: false,
},
// Test case - 11.
// Test case with text expanded to the wildcards in the pattern.
{
pattern: "my-bucket/In*/Ka*/Ban",
text: "my-bucket/India/Karnataka/Ban",
matched: true,
},
// Test case - 12.
// Test case with the keyname part is repeated as prefix several times.
// This is valid.
{
pattern: "my-bucket/In*/Ka*/Ban",
text: "my-bucket/India/Karnataka/Ban/Ban/Ban/Ban/Ban",
matched: true,
},
// Test case - 13.
// Test case to validate that `*` can be expanded into multiple prefixes.
{
pattern: "my-bucket/In*/Ka*/Ban",
text: "my-bucket/India/Karnataka/Area1/Area2/Area3/Ban",
matched: true,
},
// Test case - 14.
// Test case to validate that `*` can be expanded into multiple prefixes.
{
pattern: "my-bucket/In*/Ka*/Ban",
text: "my-bucket/India/State1/State2/Karnataka/Area1/Area2/Area3/Ban",
matched: true,
},
// Test case - 15.
// Test case where the keyname part of the pattern is expanded in the text.
{
pattern: "my-bucket/In*/Ka*/Ban",
text: "my-bucket/India/Karnataka/Bangalore",
matched: false,
},
// Test case - 16.
// Test case with prefixes and wildcard expanded for all "*".
{
pattern: "my-bucket/In*/Ka*/Ban*",
text: "my-bucket/India/Karnataka/Bangalore",
matched: true,
},
// Test case - 17.
// Test case with keyname part being a wildcard in the pattern.
{
pattern: "my-bucket/*",
text: "my-bucket/India",
matched: true,
},
// Test case - 18.
{
pattern: "my-bucket/oo*",
text: "my-bucket/odo",
matched: false,
},
// Test case with pattern containing wildcard '?'.
// Test case - 19.
// "my-bucket?/" matches "my-bucket1/", "my-bucket2/", "my-bucket3" etc...
// doesn't match "mybucket/".
{
pattern: "my-bucket?/abc*",
text: "mybucket/abc",
matched: false,
},
// Test case - 20.
{
pattern: "my-bucket?/abc*",
text: "my-bucket1/abc",
matched: true,
},
// Test case - 21.
{
pattern: "my-?-bucket/abc*",
text: "my--bucket/abc",
matched: false,
},
// Test case - 22.
{
pattern: "my-?-bucket/abc*",
text: "my-1-bucket/abc",
matched: true,
},
// Test case - 23.
{
pattern: "my-?-bucket/abc*",
text: "my-k-bucket/abc",
matched: true,
},
// Test case - 24.
{
pattern: "my??bucket/abc*",
text: "mybucket/abc",
matched: false,
},
// Test case - 25.
{
pattern: "my??bucket/abc*",
text: "my4abucket/abc",
matched: true,
},
// Test case - 26.
{
pattern: "my-bucket?abc*",
text: "my-bucket/abc",
matched: true,
},
// Test case 27-28.
// '?' matches '/' too. (works with s3).
// This is because the namespace is considered flat.
// "abc?efg" matches both "abcdefg" and "abc/efg".
{
pattern: "my-bucket/abc?efg",
text: "my-bucket/abcdefg",
matched: true,
},
{
pattern: "my-bucket/abc?efg",
text: "my-bucket/abc/efg",
matched: true,
},
// Test case - 29.
{
pattern: "my-bucket/abc????",
text: "my-bucket/abc",
matched: false,
},
// Test case - 30.
{
pattern: "my-bucket/abc????",
text: "my-bucket/abcde",
matched: false,
},
// Test case - 31.
{
pattern: "my-bucket/abc????",
text: "my-bucket/abcdefg",
matched: true,
},
// Test case 32-34.
// test case with no '*'.
{
pattern: "my-bucket/abc?",
text: "my-bucket/abc",
matched: false,
},
{
pattern: "my-bucket/abc?",
text: "my-bucket/abcd",
matched: true,
},
{
pattern: "my-bucket/abc?",
text: "my-bucket/abcde",
matched: false,
},
// Test case 35.
{
pattern: "my-bucket/mnop*?",
text: "my-bucket/mnop",
matched: false,
},
// Test case 36.
{
pattern: "my-bucket/mnop*?",
text: "my-bucket/mnopqrst/mnopqr",
matched: true,
},
// Test case 37.
{
pattern: "my-bucket/mnop*?",
text: "my-bucket/mnopqrst/mnopqrs",
matched: true,
},
// Test case 38.
{
pattern: "my-bucket/mnop*?",
text: "my-bucket/mnop",
matched: false,
},
// Test case 39.
{
pattern: "my-bucket/mnop*?",
text: "my-bucket/mnopq",
matched: true,
},
// Test case 40.
{
pattern: "my-bucket/mnop*?",
text: "my-bucket/mnopqr",
matched: true,
},
// Test case 41.
{
pattern: "my-bucket/mnop*?and",
text: "my-bucket/mnopqand",
matched: true,
},
// Test case 42.
{
pattern: "my-bucket/mnop*?and",
text: "my-bucket/mnopand",
matched: false,
},
// Test case 43.
{
pattern: "my-bucket/mnop*?and",
text: "my-bucket/mnopqand",
matched: true,
},
// Test case 44.
{
pattern: "my-bucket/mnop*?",
text: "my-bucket/mn",
matched: false,
},
// Test case 45.
{
pattern: "my-bucket/mnop*?",
text: "my-bucket/mnopqrst/mnopqrs",
matched: true,
},
// Test case 46.
{
pattern: "my-bucket/mnop*??",
text: "my-bucket/mnopqrst",
matched: true,
},
// Test case 47.
{
pattern: "my-bucket/mnop*qrst",
text: "my-bucket/mnopabcdegqrst",
matched: true,
},
// Test case 48.
{
pattern: "my-bucket/mnop*?and",
text: "my-bucket/mnopqand",
matched: true,
},
// Test case 49.
{
pattern: "my-bucket/mnop*?and",
text: "my-bucket/mnopand",
matched: false,
},
// Test case 50.
{
pattern: "my-bucket/mnop*?and?",
text: "my-bucket/mnopqanda",
matched: true,
},
// Test case 51.
{
pattern: "my-bucket/mnop*?and",
text: "my-bucket/mnopqanda",
matched: false,
},
// Test case 52.
{
pattern: "my-?-bucket/abc*",
text: "my-bucket/mnopqanda",
matched: false,
},
}
// Iterating over the test cases, call the function under test and asert the output.
for i, testCase := range testCases {
actualResult := wildcard.Match(testCase.pattern, testCase.text)
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)
}
}
}
// TestMatchSimple - Tests validate the logic of wild card matching.
// `MatchSimple` supports matching for only '*' in the pattern string.
func TestMatchSimple(t *testing.T) {
testCases := []struct {
pattern string
text string
matched bool
}{
// Test case - 1.
// Test case with pattern "*". Expected to match any text.
{
pattern: "*",
text: "s3:GetObject",
matched: true,
},
// Test case - 2.
// Test case with empty pattern. This only matches empty string.
{
pattern: "",
text: "s3:GetObject",
matched: false,
},
// Test case - 3.
// Test case with empty pattern. This only matches empty string.
{
pattern: "",
text: "",
matched: true,
},
// Test case - 4.
// Test case with single "*" at the end.
{
pattern: "s3:*",
text: "s3:ListMultipartUploadParts",
matched: true,
},
// Test case - 5.
// Test case with a no "*". In this case the pattern and text should be the same.
{
pattern: "s3:ListBucketMultipartUploads",
text: "s3:ListBucket",
matched: false,
},
// Test case - 6.
// Test case with a no "*". In this case the pattern and text should be the same.
{
pattern: "s3:ListBucket",
text: "s3:ListBucket",
matched: true,
},
// Test case - 7.
// Test case with a no "*". In this case the pattern and text should be the same.
{
pattern: "s3:ListBucketMultipartUploads",
text: "s3:ListBucketMultipartUploads",
matched: true,
},
// Test case - 8.
// Test case with pattern containing key name with a prefix. Should accept the same text without a "*".
{
pattern: "my-bucket/oo*",
text: "my-bucket/oo",
matched: true,
},
// Test case - 9.
// Test case with "*" at the end of the pattern.
{
pattern: "my-bucket/In*",
text: "my-bucket/India/Karnataka/",
matched: true,
},
// Test case - 10.
// Test case with prefixes shuffled.
// This should fail.
{
pattern: "my-bucket/In*",
text: "my-bucket/Karnataka/India/",
matched: false,
},
// Test case - 11.
// Test case with text expanded to the wildcards in the pattern.
{
pattern: "my-bucket/In*/Ka*/Ban",
text: "my-bucket/India/Karnataka/Ban",
matched: true,
},
// Test case - 12.
// Test case with the keyname part is repeated as prefix several times.
// This is valid.
{
pattern: "my-bucket/In*/Ka*/Ban",
text: "my-bucket/India/Karnataka/Ban/Ban/Ban/Ban/Ban",
matched: true,
},
// Test case - 13.
// Test case to validate that `*` can be expanded into multiple prefixes.
{
pattern: "my-bucket/In*/Ka*/Ban",
text: "my-bucket/India/Karnataka/Area1/Area2/Area3/Ban",
matched: true,
},
// Test case - 14.
// Test case to validate that `*` can be expanded into multiple prefixes.
{
pattern: "my-bucket/In*/Ka*/Ban",
text: "my-bucket/India/State1/State2/Karnataka/Area1/Area2/Area3/Ban",
matched: true,
},
// Test case - 15.
// Test case where the keyname part of the pattern is expanded in the text.
{
pattern: "my-bucket/In*/Ka*/Ban",
text: "my-bucket/India/Karnataka/Bangalore",
matched: false,
},
// Test case - 16.
// Test case with prefixes and wildcard expanded for all "*".
{
pattern: "my-bucket/In*/Ka*/Ban*",
text: "my-bucket/India/Karnataka/Bangalore",
matched: true,
},
// Test case - 17.
// Test case with keyname part being a wildcard in the pattern.
{
pattern: "my-bucket/*",
text: "my-bucket/India",
matched: true,
},
// Test case - 18.
{
pattern: "my-bucket/oo*",
text: "my-bucket/odo",
matched: false,
},
// Test case - 11.
{
pattern: "my-bucket/oo?*",
text: "my-bucket/oo???",
matched: true,
},
// Test case - 12:
{
pattern: "my-bucket/oo??*",
text: "my-bucket/odo",
matched: false,
},
// Test case - 13:
{
pattern: "?h?*",
text: "?h?hello",
matched: true,
},
}
// Iterating over the test cases, call the function under test and asert the output.
for i, testCase := range testCases {
actualResult := wildcard.MatchSimple(testCase.pattern, testCase.text)
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)
}
}
}