1 files changed, 67 insertions(+), 0 deletions(-)

A givens_test.go

@@ 0,0 1,67 @@
+package moac
+
+import (
+	"math"
+	"testing"
+)
+
+const margin = 0.05 // acceptable error
+
+var tests = []struct {
+	name    string
+	given   Givens
+	quantum bool
+	// Expected values should be within 10% error
+	expectedBF float64
+	expectedME float64
+}{
+	{ // from README
+		name:    "hitchhiker",
+		quantum: true,
+		given: Givens{
+			Mass:     5.97e24,
+			Time:     1.45e17,
+			Password: "v¢JÊÙúQ§4mÀÛªZûYÍé©mËiÐ× \"½J6y.ñíí'è¦ïϵ°~",
+		},
+		expectedBF: 0.6807,
+		expectedME: 427.3,
+	},
+	{ // from blog post: https://seirdy.one/2021/01/12/password-strength.html
+		name:    "universe",
+		quantum: false,
+		given: Givens{
+			Mass:    9.18e52,
+			Entropy: 510,
+		},
+		expectedBF: 9.527e-62,
+		expectedME: 307.3,
+	},
+}
+
+func TestBruteForceability(t *testing.T) {
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := BruteForceability(&test.given, test.quantum)
+			if err != nil {
+				t.Fatalf("BruteForceability() = %v", err)
+			}
+			if math.Abs(got-test.expectedBF)/test.expectedBF > margin {
+				t.Errorf("Bruteforceability() = %.4g; want %.4g", got, test.expectedBF)
+			}
+		})
+	}
+}
+
+func TestMinEntropy(t *testing.T) {
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := MinEntropy(&test.given, test.quantum)
+			if err != nil {
+				t.Fatalf("MinEntropy() = %v", err)
+			}
+			if math.Abs(got-test.expectedME)/test.expectedME > margin {
+				t.Errorf("MinEntropy() = %.4g; want %.4g", got, test.expectedME)
+			}
+		})
+	}
+}