103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
 
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package commits
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import (
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"strings"
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"testing"
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)
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// FuzzParse verifies that the parser never panics and always returns a valid Type.
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func FuzzParse(f *testing.F) {
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// Seed corpus: representative conventional commit messages
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seeds := []string{
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"feat: add OAuth2 login",
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"fix: correct null pointer",
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"feat!: remove legacy API",
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"feat(auth): add login\n\nBREAKING CHANGE: old endpoint removed",
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"chore: update deps",
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"Feat:missing space",
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"FIX(scope)!: mixed case breaking",
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"",
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"\x00",
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"BREAKING CHANGE: bare footer",
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"not a conventional commit at all",
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"feat: \n\n body only",
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strings.Repeat("a", 4096),
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}
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for _, s := range seeds {
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f.Add(s)
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}
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f.Fuzz(func(t *testing.T, msg string) {
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result := Parse(msg)
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if result < TypeNone || result > TypeBreaking {
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t.Errorf("Parse(%q) returned out-of-range type %d", msg, result)
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}
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})
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}
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func TestTypeString(t *testing.T) {
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cases := []struct {
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t Type
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want string
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}{
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{TypeNone, "none"},
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{TypeFix, "fix"},
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{TypeFeat, "feat"},
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{TypeBreaking, "breaking"},
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{Type(99), "none"}, // unknown → default
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}
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for _, c := range cases {
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if got := c.t.String(); got != c.want {
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t.Errorf("Type(%d).String() = %q, want %q", c.t, got, c.want)
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}
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}
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}
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func TestParse(t *testing.T) {
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cases := []struct {
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msg string
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want Type
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}{
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// standard cases
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{"feat: add login page", TypeFeat},
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{"fix: correct null pointer", TypeFix},
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{"chore: update deps", TypeNone},
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{"docs: update README", TypeNone},
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// non-strict: case-insensitive
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{"Feat: add login page", TypeFeat},
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{"FIX: correct null pointer", TypeFix},
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{"FEAT: add login", TypeFeat},
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// non-strict: missing space after colon
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{"feat:add login", TypeFeat},
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{"fix:correct null pointer", TypeFix},
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// with scope
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{"feat(auth): add OAuth2", TypeFeat},
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{"fix(db): prevent deadlock", TypeFix},
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// breaking change via !
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{"feat!: remove legacy API", TypeBreaking},
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{"fix!: change response format", TypeBreaking},
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{"feat(api)!: rename endpoint", TypeBreaking},
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// breaking change via footer
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{"feat: new API\n\nBREAKING CHANGE: old API removed", TypeBreaking},
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{"refactor: cleanup\n\nBREAKING CHANGE: interface changed", TypeBreaking},
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// unparseable — silently ignored
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{"WIP", TypeNone},
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{"Merge branch 'main' into release/1.2", TypeNone},
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{"", TypeNone},
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{"fix a bug without colon", TypeNone},
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}
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for _, c := range cases {
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got := Parse(c.msg)
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if got != c.want {
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t.Errorf("Parse(%q) = %s, want %s", c.msg, got, c.want)
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}
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}
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}
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