add tests for path parsing

License: MIT
Signed-off-by: Jeromy <jeromyj@gmail.com>

path_test.go

+package path
+
+import (
+	"testing"
+)
+
+func TestPathParsing(t *testing.T) {
+	cases := map[string]bool{
+		"/ipfs/QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n":             true,
+		"/ipfs/QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n/a":           true,
+		"/ipfs/QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n/a/b/c/d/e/f": true,
+		"/ipns/QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n/a/b/c/d/e/f": true,
+		"/ipns/QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n":             true,
+		"QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n/a/b/c/d/e/f":       true,
+		"QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n":                   true,
+		"/QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n":                  false,
+		"/QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n/a":                false,
+		"/ipfs/": false,
+		"ipfs/":  false,
+		"ipfs/QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n": false,
+	}
+
+	for p, expected := range cases {
+		_, err := ParsePath(p)
+		valid := (err == nil)
+		if valid != expected {
+			t.Fatalf("expected %s to have valid == %s", p, expected)
+		}
+	}
+}