First commit

1 files changed, 127 insertions, 0 deletions

diff --git a/pkg/gitdiff/patch_identity_test.go b/pkg/gitdiff/patch_identity_test.go
new file mode 100644
index 0000000..f15fe38
--- /dev/null
+++ b/pkg/gitdiff/patch_identity_test.go
@@ -0,0 +1,127 @@
+package gitdiff
+
+import (
+	"testing"
+)
+
+func TestParsePatchIdentity(t *testing.T) {
+	tests := map[string]struct {
+		Input  string
+		Output PatchIdentity
+		Err    interface{}
+	}{
+		"simple": {
+			Input: "Morton Haypenny <mhaypenny@example.com>",
+			Output: PatchIdentity{
+				Name:  "Morton Haypenny",
+				Email: "mhaypenny@example.com",
+			},
+		},
+		"extraWhitespace": {
+			Input: "\t  Morton Haypenny  \r\n<mhaypenny@example.com>  ",
+			Output: PatchIdentity{
+				Name:  "Morton Haypenny",
+				Email: "mhaypenny@example.com",
+			},
+		},
+		"trailingCharacters": {
+			Input: "Morton Haypenny <mhaypenny@example.com> II",
+			Output: PatchIdentity{
+				Name:  "Morton Haypenny II",
+				Email: "mhaypenny@example.com",
+			},
+		},
+		"onlyEmail": {
+			Input: "mhaypenny@example.com",
+			Output: PatchIdentity{
+				Name:  "mhaypenny@example.com",
+				Email: "mhaypenny@example.com",
+			},
+		},
+		"onlyEmailInBrackets": {
+			Input: "<mhaypenny@example.com>",
+			Output: PatchIdentity{
+				Name:  "mhaypenny@example.com",
+				Email: "mhaypenny@example.com",
+			},
+		},
+		"rfc5322SpecialCharacters": {
+			Input: `"dependabot[bot]" <12345+dependabot[bot]@users.noreply.github.com>`,
+			Output: PatchIdentity{
+				Name:  "dependabot[bot]",
+				Email: "12345+dependabot[bot]@users.noreply.github.com",
+			},
+		},
+		"rfc5322QuotedPairs": {
+			Input: `"Morton \"Old-Timer\" Haypenny" <"mhaypenny\+[1900]"@example.com> (III \(PhD\))`,
+			Output: PatchIdentity{
+				Name:  `Morton "Old-Timer" Haypenny (III (PhD))`,
+				Email: "mhaypenny+[1900]@example.com",
+			},
+		},
+		"rfc5322QuotedPairsOutOfContext": {
+			Input: `Morton \\Backslash Haypenny <mhaypenny@example.com>`,
+			Output: PatchIdentity{
+				Name:  `Morton \\Backslash Haypenny`,
+				Email: "mhaypenny@example.com",
+			},
+		},
+		"emptyEmail": {
+			Input: "Morton Haypenny <>",
+			Output: PatchIdentity{
+				Name:  "Morton Haypenny",
+				Email: "",
+			},
+		},
+		"unclosedEmail": {
+			Input: "Morton Haypenny <mhaypenny@example.com",
+			Output: PatchIdentity{
+				Name:  "Morton Haypenny",
+				Email: "mhaypenny@example.com",
+			},
+		},
+		"bogusEmail": {
+			Input: "Morton Haypenny <mhaypenny>",
+			Output: PatchIdentity{
+				Name:  "Morton Haypenny",
+				Email: "mhaypenny",
+			},
+		},
+		"bogusEmailWithWhitespace": {
+			Input: "Morton Haypenny <  mhaypenny  >",
+			Output: PatchIdentity{
+				Name:  "Morton Haypenny",
+				Email: "mhaypenny",
+			},
+		},
+		"missingEmail": {
+			Input: "Morton Haypenny",
+			Err:   "invalid identity",
+		},
+		"missingNameAndEmptyEmail": {
+			Input: "<>",
+			Err:   "invalid identity",
+		},
+		"empty": {
+			Input: "",
+			Err:   "invalid identity",
+		},
+	}
+
+	for name, test := range tests {
+		t.Run(name, func(t *testing.T) {
+			id, err := ParsePatchIdentity(test.Input)
+			if test.Err != nil {
+				assertError(t, test.Err, err, "parsing identity")
+				return
+			}
+			if err != nil {
+				t.Fatalf("unexpected error parsing identity: %v", err)
+			}
+
+			if test.Output != id {
+				t.Errorf("incorrect identity: expected %#v, actual %#v", test.Output, id)
+			}
+		})
+	}
+}