#8 new flag UpMajor.

internal/modules/packages_test.go

@@ -0,0 +1,55 @@
+package modules
+
+import "testing"
+
+func TestModMajor(t *testing.T) {
+	type args struct {
+		modpath string
+	}
+	var tests = []struct {
+		name  string
+		args  args
+		want  string
+		want1 bool
+	}{
+		{"Test #1",
+			args{
+				"github.com/jackc/chunkreader/v2",
+			},
+			"v2",
+			true,
+		},
+		{"Test #2",
+			args{
+				"github.com/jackc/chunkreader",
+			},
+			"",
+			true,
+		},
+		{"Test #3",
+			args{
+				"gopkg.in/yaml.v2",
+			},
+			"v2",
+			true,
+		},
+		{"Test #4",
+			args{
+				"github.com/jackc/chunkreader/v1",
+			},
+			"",
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, got1 := ModMajor(tt.args.modpath)
+			if got != tt.want {
+				t.Errorf("ModMajor() got = %v, want %v", got, tt.want)
+			}
+			if got1 != tt.want1 {
+				t.Errorf("ModMajor() got1 = %v, want %v", got1, tt.want1)
+			}
+		})
+	}
+}