// Match function matches wild cards in 'pattern' for events.
func eventMatch(eventType string, events []string) (ok bool) {
for _, event := range events {
ok = wildcard.MatchSimple(event, eventType)
if ok {
break
}
}
return ok
}
// 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)
}
}
}
// Match function matches wild cards in 'pattern' for action.
func actionMatch(pattern, action string) bool {
return wildcard.MatchSimple(pattern, action)
}