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wip: improve footer parsing by making is simpler and more flexible

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This commit is contained in:
Jim Myhrberg
2020-11-01 16:22:07 +00:00
parent 883292995a
commit ca0993b1c7
2 changed files with 63 additions and 59 deletions
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52
pkg/commit/parser.go
View File

@@ -71,47 +71,45 @@ func parseHeader(header []byte) (*Commit, error) {
return commit, nil
}
func footers(paragraph []byte) []*Footer {
footers := []*Footer{}
lines := bytes.Split(paragraph, []byte{lf})
type rawFooter struct {
Name []byte
Body []byte
Ref bool
}
func footers(paragraph []byte) []*rawFooter {
footers := []*rawFooter{}
lines := bytes.Split(bytes.TrimSpace(paragraph), []byte{lf})
if !rFooter.Match(lines[0]) {
return footers
}
var cName string
var cBody []byte
var cRef bool
footer := &rawFooter{}
for _, line := range lines {
if m := rFooter.FindSubmatch(line); m != nil {
if cName != "" {
footers = append(footers, &Footer{
Name: cName,
Body: string(bytes.TrimSpace(cBody)),
Reference: cRef,
})
if len(footer.Name) > 0 {
footers = append(footers, footer)
}
footer = &rawFooter{}
if len(m[1]) > 0 {
cName = string(m[1])
cBody = m[2]
cRef = true
footer.Name = m[1]
footer.Body = m[2]
footer.Ref = true
} else if len(m[3]) > 0 {
cName = string(m[3])
cBody = m[4]
cRef = false
footer.Name = m[3]
footer.Body = m[4]
footer.Ref = false
}
} else if cName != "" {
cBody = append(cBody, lf)
cBody = append(cBody, line...)
} else if len(footer.Name) > 0 {
footer.Body = append(footer.Body, lf)
footer.Body = append(footer.Body, line...)
}
}
if cName != "" {
footers = append(footers, &Footer{
Name: cName,
Body: string(bytes.TrimSpace(cBody)),
Reference: cRef,
})
if len(footer.Name) > 0 {
footers = append(footers, footer)
}
return footers

70
pkg/commit/parser_test.go
View File

@@ -289,42 +289,48 @@ func Test_footers(t *testing.T) {
tests := []struct {
name string
args args
want []*Footer
want []*rawFooter
}{
{
name: "without footer",
args: args{[]byte("this is not a fooder")},
want: []*Footer{},
want: []*rawFooter{},
},
{
name: "token footer on second line",
args: args{[]byte("this is not a fooder\nDone-By: John")},
want: []*Footer{},
want: []*rawFooter{},
},
{
name: "ticket footer on second line",
args: args{[]byte("this is not a fooder\nFixes #42")},
want: []*Footer{},
want: []*rawFooter{},
},
{
name: "breaking change footer on second line",
args: args{[]byte("this is not a fooder\nBREAKING CHANGE: Oops")},
want: []*Footer{},
want: []*rawFooter{},
},
{
name: "token footer",
args: args{[]byte("Reviewed-By: John Smith")},
want: []*Footer{{Name: "Reviewed-By", Body: "John Smith"}},
want: []*rawFooter{
{Name: []byte("Reviewed-By"), Body: []byte("John Smith")},
},
},
{
name: "breaking change footer",
args: args{[]byte("BREAKING CHANGE: Oopsy")},
want: []*Footer{{Name: "BREAKING CHANGE", Body: "Oopsy"}},
want: []*rawFooter{
{Name: []byte("BREAKING CHANGE"), Body: []byte("Oopsy")},
},
},
{
name: "ticket footer",
args: args{[]byte("Fixes #82")},
want: []*Footer{{Name: "Fixes", Body: "#82", Reference: true}},
want: []*rawFooter{
{Name: []byte("Fixes"), Body: []byte("#82"), Ref: true},
},
},
{
name: "multiple token footers",
@@ -332,17 +338,17 @@ func Test_footers(t *testing.T) {
"Reviewed-By: John\n" +
"Committer: Smith\n",
)},
want: []*Footer{
{Name: "Reviewed-By", Body: "John"},
{Name: "Committer", Body: "Smith"},
want: []*rawFooter{
{Name: []byte("Reviewed-By"), Body: []byte("John")},
{Name: []byte("Committer"), Body: []byte("Smith")},
},
},
{
name: "multiple ticket footers",
args: args{[]byte("Fixes #82\nFixes #74")},
want: []*Footer{
{Name: "Fixes", Body: "#82", Reference: true},
{Name: "Fixes", Body: "#74", Reference: true},
want: []*rawFooter{
{Name: []byte("Fixes"), Body: []byte("#82"), Ref: true},
{Name: []byte("Fixes"), Body: []byte("#74"), Ref: true},
},
},
{
@@ -351,9 +357,9 @@ func Test_footers(t *testing.T) {
"BREAKING CHANGE: Oopsy\n" +
"BREAKING CHANGE: Again!",
)},
want: []*Footer{
{Name: "BREAKING CHANGE", Body: "Oopsy"},
{Name: "BREAKING CHANGE", Body: "Again!"},
want: []*rawFooter{
{Name: []byte("BREAKING CHANGE"), Body: []byte("Oopsy")},
{Name: []byte("BREAKING CHANGE"), Body: []byte("Again!")},
},
},
{
@@ -363,10 +369,10 @@ func Test_footers(t *testing.T) {
"BREAKING CHANGE: Careful!\n" +
"Reviewed-By: Maria\n",
)},
want: []*Footer{
{Name: "Fixes", Body: "#930", Reference: true},
{Name: "BREAKING CHANGE", Body: "Careful!"},
{Name: "Reviewed-By", Body: "Maria"},
want: []*rawFooter{
{Name: []byte("Fixes"), Body: []byte("#930"), Ref: true},
{Name: []byte("BREAKING CHANGE"), Body: []byte("Careful!")},
{Name: []byte("Reviewed-By"), Body: []byte("Maria")},
},
},
{
@@ -383,25 +389,25 @@ func Test_footers(t *testing.T) {
"varius et egestas sem. Ut mi risus, pretium quis\n" +
"cursus quis, porttitor in ipsum.\n",
)},
want: []*Footer{
want: []*rawFooter{
{
Name: "Description",
Body: "Lorem ipsum dolor sit amet, consectetur\n" +
Name: []byte("Description"),
Body: []byte("Lorem ipsum dolor sit amet, consectetur\n" +
"adipiscing elit.Praesent eleifend lorem non purus\n" +
"finibus, interdum hendrerit sem bibendum.",
"finibus, interdum hendrerit sem bibendum."),
},
{Name: "Fixes", Body: "#94", Reference: true},
{Name: []byte("Fixes"), Body: []byte("#94"), Ref: true},
{
Name: "Misc-Other",
Body: "Etiam porttitor mollis nulla, egestas\n" +
Name: []byte("Misc-Other"),
Body: []byte("Etiam porttitor mollis nulla, egestas\n" +
"facilisis nisi molestie ut. Quisque mi mi, commodo\n" +
"ut mattis a, scelerisque eu elit.",
"ut mattis a, scelerisque eu elit."),
},
{
Name: "BREAKING CHANGE",
Body: "Duis id nulla eget velit maximus\n" +
Name: []byte("BREAKING CHANGE"),
Body: []byte("Duis id nulla eget velit maximus\n" +
"varius et egestas sem. Ut mi risus, pretium quis\n" +
"cursus quis, porttitor in ipsum.",
"cursus quis, porttitor in ipsum."),
},
},
},