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d60654eb0a
For example, the following relabeling rule must work much faster now: - action: labeldrop regex: "foo|bar|baz"
49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
package regexutil
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import (
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"reflect"
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"testing"
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)
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func TestGetOrValues(t *testing.T) {
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f := func(s string, valuesExpected []string) {
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t.Helper()
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values := GetOrValues(s)
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if !reflect.DeepEqual(values, valuesExpected) {
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t.Fatalf("unexpected values for s=%q; got %q; want %q", s, values, valuesExpected)
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}
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}
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f("", []string{""})
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f("foo", []string{"foo"})
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f("^foo$", []string{"foo"})
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f("|foo", []string{"", "foo"})
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f("|foo|", []string{"", "", "foo"})
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f("foo.+", nil)
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f("foo.*", nil)
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f(".*", nil)
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f("foo|.*", nil)
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f("foobar", []string{"foobar"})
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f("z|x|c", []string{"c", "x", "z"})
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f("foo|bar", []string{"bar", "foo"})
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f("(foo|bar)", []string{"bar", "foo"})
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f("(foo|bar)baz", []string{"barbaz", "foobaz"})
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f("[a-z][a-z]", nil)
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f("[a-d]", []string{"a", "b", "c", "d"})
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f("x[a-d]we", []string{"xawe", "xbwe", "xcwe", "xdwe"})
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f("foo(bar|baz)", []string{"foobar", "foobaz"})
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f("foo(ba[rz]|(xx|o))", []string{"foobar", "foobaz", "fooo", "fooxx"})
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f("foo(?:bar|baz)x(qwe|rt)", []string{"foobarxqwe", "foobarxrt", "foobazxqwe", "foobazxrt"})
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f("foo(bar||baz)", []string{"foo", "foobar", "foobaz"})
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f("(a|b|c)(d|e|f|0|1|2)(g|h|k|x|y|z)", nil)
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f("(?i)foo", nil)
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f("(?i)(foo|bar)", nil)
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f("^foo|bar$", []string{"bar", "foo"})
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f("^(foo|bar)$", []string{"bar", "foo"})
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f("^a(foo|b(?:a|r))$", []string{"aba", "abr", "afoo"})
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// This is incorrect conversion, because the regexp matches nothing.
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// It is OK for now, since such regexps are uncommon in practice.
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// TODO: properly handle this case.
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f("^a(^foo|bar$)z$", []string{"abarz", "afooz"})
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}
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