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72 lines
2.2 KiB
Go
72 lines
2.2 KiB
Go
package rule
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import (
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"testing"
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"github.com/go-enry/go-enry/v2/regex"
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"github.com/stretchr/testify/assert"
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)
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const lang = "ActionScript"
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type fixture struct {
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name string
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rule Heuristic
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numLangs int
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match string
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noMatch string
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}
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var specificFixtures = map[string][]fixture{
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"": { // cases that don't vary between the engines
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{"Always", Always(MatchingLanguages(lang)), 1, "a", ""},
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{"Not", Not(MatchingLanguages(lang), regex.MustCompile(`a`)), 1, "b", "a"},
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{"And", And(MatchingLanguages(lang), regex.MustCompile(`a`), regex.MustCompile(`b`)), 1, "ab", "a"},
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{"Or", Or(MatchingLanguages(lang), regex.MustCompile(`a|b`)), 1, "ab", "c"},
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// the results of these depend on the regex engine
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// {"NilOr", Or(noLanguages(), regex.MustCompileRuby(``)), 0, "", "a"},
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// {"NilNot", Not(noLanguages(), regex.MustCompileRuby(`a`)), 0, "", "a"},
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},
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regex.RE2: {
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{"NilAnd", And(noLanguages(), regex.MustCompileRuby(`a`), regex.MustCompile(`b`)), 0, "b", "a"},
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{"NilNot", Not(noLanguages(), regex.MustCompileRuby(`a`), regex.MustCompile(`b`)), 0, "c", "b"},
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},
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regex.Oniguruma: {
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{"NilAnd", And(noLanguages(), regex.MustCompileRuby(`a`), regex.MustCompile(`b`)), 0, "ab", "c"},
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{"NilNot", Not(noLanguages(), regex.MustCompileRuby(`a`), regex.MustCompile(`b`)), 0, "c", "a"},
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{"NilOr", Or(noLanguages(), regex.MustCompileRuby(`a`) /*, regexp.MustCompile(`b`)*/), 0, "a", "b"},
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},
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}
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func testRulesForEngine(t *testing.T, engine string) {
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if engine != "" && regex.Name != engine {
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return
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}
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for _, f := range specificFixtures[engine] {
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t.Run(engine+f.name, func(t *testing.T) {
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check(t, f)
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})
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}
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}
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func TestRules(t *testing.T) {
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//TODO(bzz): can all be run in parallel
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testRulesForEngine(t, "")
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testRulesForEngine(t, regex.RE2)
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testRulesForEngine(t, regex.Oniguruma)
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}
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func check(t *testing.T, f fixture) {
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assert.NotNil(t, f.rule)
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assert.NotNil(t, f.rule.Languages())
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assert.Equal(t, f.numLangs, len(f.rule.Languages()))
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if f.match != "" {
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assert.Truef(t, f.rule.Match([]byte(f.match)),
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"'%s' is expected to .Match() by rule %s%v", f.match, f.name, f.rule)
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}
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if f.noMatch != "" {
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assert.Falsef(t, f.rule.Match([]byte(f.noMatch)),
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"'%s' is expected NOT to .Match() by rule %s%v", f.noMatch, f.name, f.rule)
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}
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}
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