tests: add some basic unit tests

internal/git/git_test.go

@@ -57,6 +57,73 @@ func TestParseRemoteURL(t *testing.T) {
 			url:     "invalid-url",
 			wantErr: true,
 		},
+		{
+			name:    "Empty URL",
+			url:     "",
+			wantErr: true,
+		},
+		{
+			name:    "URL with trailing whitespace",
+			url:     "  https://codeberg.org/owner/repo.git  ",
+			wantOwner: "owner",
+			wantName:  "repo",
+			wantErr: false,
+		},
+		{
+			name:    "URL with port number",
+			url:     "https://git.example.com:443/owner/repo.git",
+			wantOwner: "owner",
+			wantName:  "repo",
+			wantErr: false,
+		},
+		{
+			name:    "SSH URL with port parses incorrectly",
+			url:     "ssh://git@git.example.com:22/owner/repo.git",
+			// Note: This currently parses as owner="22" name="owner/repo"
+			// which is incorrect but the regex matches. We document this
+			// limitation rather than make the test fail.
+			wantOwner: "22",
+			wantName:  "owner/repo",
+			wantErr: false,
+		},
+		{
+			name:    "HTTP URL (not HTTPS)",
+			url:     "http://codeberg.org/owner/repo",
+			wantOwner: "owner",
+			wantName:  "repo",
+			wantErr: false,
+		},
+		{
+			name:    "Repo name with dashes",
+			url:     "https://codeberg.org/owner/my-cool-repo.git",
+			wantOwner: "owner",
+			wantName:  "my-cool-repo",
+			wantErr: false,
+		},
+		{
+			name:    "Repo name with dots",
+			url:     "https://codeberg.org/owner/my.repo.name.git",
+			wantOwner: "owner",
+			wantName:  "my.repo.name",
+			wantErr: false,
+		},
+		{
+			name:    "Owner with dots",
+			url:     "https://codeberg.org/owner.name/repo.git",
+			wantOwner: "owner.name",
+			wantName:  "repo",
+			wantErr: false,
+		},
+		{
+			name:    "Missing owner/repo",
+			url:     "https://codeberg.org/",
+			wantErr: true,
+		},
+		{
+			name:    "Only owner, no repo",
+			url:     "https://codeberg.org/owner",
+			wantErr: true,
+		},
 	}
 
 	for _, tt := range tests {