1 files changed, 109 insertions, 0 deletions
diff --git a/internal/accept_encoding_test.go b/internal/accept_encoding_test.go
new file mode 100644
index 0000000..503579f
--- /dev/null
+++ b/internal/accept_encoding_test.go
@@ -0,0 +1,109 @@
+package internal
+
+import "testing"
+
+func TestInValidEncodings(t *testing.T) {
+	tests := []struct {
+		enc string
+		ok  bool
+	}{
+		{"gzip", true},
+		{"x-gzip", true},
+		{"tacobell", false},
+	}
+
+	for _, test := range tests {
+		t.Run(test.enc, func(t *testing.T) {
+			ok := inValidEncodings(test.enc)
+			if ok != test.ok {
+				t.Errorf("ok = %t, want %t", ok, test.ok)
+			}
+		})
+	}
+}
+
+func TestParseAcceptLanguage(t *testing.T) {
+	acptLang := "en-US,en;q=0.9,ja-JP;q=0.8,ja;q=0.7"
+	lqs := ParseAcceptLanguage(acptLang)
+	if len(lqs) != 4 {
+		t.Errorf("len(lqs) = %d, want 4", len(lqs))
+	}
+	if lqs[0].Lang != "en-US" {
+		t.Errorf("lqs[0].Lang = %s, want en-US", lqs[0].Lang)
+	}
+	if lqs[0].Q != 1 {
+		t.Errorf("lqs[0].Q = %f, want 1", lqs[0].Q)
+	}
+	if lqs[1].Lang != "en" {
+		t.Errorf("lqs[1].Lang = %s, want en", lqs[1].Lang)
+	}
+	if lqs[1].Q != 0.9 {
+		t.Errorf("lqs[1].Q = %f, want 0.9", lqs[1].Q)
+	}
+	if lqs[2].Lang != "ja-JP" {
+		t.Errorf("lqs[2].Lang = %s, want ja-JP", lqs[2].Lang)
+	}
+	if lqs[2].Q != 0.8 {
+		t.Errorf("lqs[2].Q = %f, want 0.8", lqs[2].Q)
+	}
+	if lqs[3].Lang != "ja" {
+		t.Errorf("lqs[3].Lang = %s, want ja", lqs[3].Lang)
+	}
+	if lqs[3].Q != 0.7 {
+		t.Errorf("lqs[3].Q = %f, want 0.7", lqs[3].Q)
+	}
+
+	t.Run("invalid", func(t *testing.T) {
+		panicked := false
+		acptEnc := "taco;q=beer"
+		defer func() {
+			if r := recover(); r != nil {
+				panicked = true
+			}
+			if !panicked {
+				t.Errorf("did not panic")
+			}
+		}()
+		ParseAcceptLanguage(acptEnc)
+	})
+}
+
+func TestParseAcceptEncoding(t *testing.T) {
+	acptEnc := "gzip, deflate, br;q=0.9"
+	eqs := ParseAcceptEncoding(acptEnc)
+	if len(eqs) != 3 {
+		t.Errorf("len(eqs) = %d, want 3", len(eqs))
+	}
+	if eqs[0].Encoding != "gzip" {
+		t.Errorf("eqs[0].Encoding = %s, want gzip", eqs[0].Encoding)
+	}
+	if eqs[0].Q != 1 {
+		t.Errorf("eqs[0].Q = %f, want 1", eqs[0].Q)
+	}
+	if eqs[1].Encoding != "deflate" {
+		t.Errorf("eqs[1].Encoding = %s, want deflate", eqs[1].Encoding)
+	}
+	if eqs[1].Q != 1 {
+		t.Errorf("eqs[1].Q = %f, want 1", eqs[1].Q)
+	}
+	if eqs[2].Encoding != "br" {
+		t.Errorf("eqs[2].Encoding = %s, want br", eqs[2].Encoding)
+	}
+	if eqs[2].Q != 1 {
+		t.Errorf("eqs[2].Q = %f, want 1", eqs[2].Q)
+	}
+
+	t.Run("invalid", func(t *testing.T) {
+		panicked := false
+		acptEnc := "gzip, deflate, taco;q=beer"
+		defer func() {
+			if r := recover(); r != nil {
+				panicked = true
+			}
+			if !panicked {
+				t.Errorf("did not panic")
+			}
+		}()
+		ParseAcceptEncoding(acptEnc)
+	})
+}