1 files changed, 73 insertions, 0 deletions
diff --git a/referrer_test.go b/referrer_test.go
new file mode 100644
index 0000000..b2a9cb5
--- /dev/null
+++ b/referrer_test.go
@@ -0,0 +1,73 @@
+package sws
+
+import (
+	"testing"
+	"time"
+)
+
+func TestNewReferrerSet(t *testing.T) {
+	now := time.Now()
+	site := Site{Name: "example.com"}
+
+	tests := []struct {
+		hits     []*Hit
+		expected ReferrerSet
+	}{
+		{
+			hits: []*Hit{
+				{CreatedAt: now, Referrer: strPtr("http://example1.com")},
+				{CreatedAt: now, Referrer: strPtr("http://example1.com")},
+				{CreatedAt: now, Referrer: strPtr("http://example2.com")},
+			},
+			expected: ReferrerSet{
+				&Referrer{Name: "example1.com", URL: "http://example1.com"},
+				&Referrer{Name: "example2.com", URL: "http://example2.com"},
+			},
+		},
+		{
+			hits: []*Hit{
+				{CreatedAt: now, Referrer: strPtr("http://example1.com")},
+				{CreatedAt: now, Referrer: strPtr("http://example1.com")},
+				{CreatedAt: now, Referrer: nil},
+			},
+			expected: ReferrerSet{
+				&Referrer{Name: "example1.com", URL: "http://example1.com"},
+				&Referrer{Name: "direct", URL: ""},
+			},
+		},
+		{
+			hits: []*Hit{
+				{CreatedAt: now, Referrer: strPtr("http://example1.com")},
+				{CreatedAt: now, Referrer: strPtr("http://example1.com")},
+				{CreatedAt: now, Referrer: strPtr("http://example.com")},
+				{CreatedAt: now, Referrer: strPtr("http://example2.com")},
+			},
+			expected: ReferrerSet{
+				&Referrer{Name: "example1.com", URL: "http://example1.com"},
+				&Referrer{Name: "example2.com", URL: "http://example2.com"},
+			},
+		},
+	}
+
+	for i, tt := range tests {
+		hs, err := NewHitSet(FromHits(tt.hits))
+		if err != nil {
+			t.Fatalf("%d => failed %s", i, err)
+		}
+		rs := NewReferrerSet(hs, site)
+
+		if len(*rs) != len(tt.expected) {
+			t.Errorf("%d => expected %d, got %d", i, len(tt.expected), len(*rs))
+		}
+		for j := range *rs {
+			if (*rs)[j].Name != tt.expected[j].Name {
+				t.Errorf("%d => expected %s, got %s", i, tt.expected[j].Name, (*rs)[j].Name)
+			}
+			if (*rs)[j].URL != tt.expected[j].URL {
+				t.Errorf("%d => expected %s, got %s", i, tt.expected[j].URL, (*rs)[j].URL)
+			}
+		}
+	}
+}
+
+func strPtr(s string) *string { return &s }