added tests for all current transposition ciphers

psyfer/transposition_test.go

@@ -0,0 +1,111 @@
+package psyfer
+
+import "testing"
+
+func TestTransposeRailFence(t *testing.T) {
+	input := "helloworld"
+	expected := "hloolelwrd"
+	actual := TransposeRailFence(input)
+	if expected != actual {
+		t.Errorf(
+			"failed TransposeRailFence:\n\texpected: % x\n\t  actual: % x",
+			expected,
+			actual,
+		)
+	}
+	input = "123456"
+	expected = "135246"
+	actual = TransposeRailFence(input)
+	if expected != actual {
+		t.Errorf(
+			"failed TransposeRailFence:\n\texpected: % x\n\t  actual: % x",
+			expected,
+			actual,
+		)
+	}
+	input = "1"
+	expected = "1"
+	actual = TransposeRailFence(input)
+	if expected != actual {
+		t.Errorf(
+			"failed TransposeRailFence:\n\texpected: % x\n\t  actual: % x",
+			expected,
+			actual,
+		)
+	}
+	input = ""
+	expected = ""
+	actual = TransposeRailFence(input)
+	if expected != actual {
+		t.Errorf(
+			"failed TransposeRailFence:\n\texpected: % x\n\t  actual: % x",
+			expected,
+			actual,
+		)
+	}
+}
+
+func TestTransposeSplit(t *testing.T) {
+	input := "helloworld"
+	expected := "hweolrllod"
+	actual := TransposeSplit(input)
+	if expected != actual {
+		t.Errorf(
+			"failed TransposeSplit:\n\texpected: % x\n\t  actual: % x",
+			expected,
+			actual,
+		)
+	}
+	input = "1234567"
+	expected = "1425367"
+	actual = TransposeSplit(input)
+	if expected != actual {
+		t.Errorf(
+			"failed TransposeSplit:\n\texpected: % x\n\t  actual: % x",
+			expected,
+			actual,
+		)
+	}
+	input = "123"
+	expected = "123"
+	actual = TransposeSplit(input)
+	if expected != actual {
+		t.Errorf(
+			"failed TransposeSplit:\n\texpected: % x\n\t  actual: % x",
+			expected,
+			actual,
+		)
+	}
+	input = "1"
+	expected = "1"
+	actual = TransposeSplit(input)
+	if expected != actual {
+		t.Errorf(
+			"failed TransposeSplit:\n\texpected: % x\n\t  actual: % x",
+			expected,
+			actual,
+		)
+	}
+	input = ""
+	expected = ""
+	actual = TransposeSplit(input)
+	if expected != actual {
+		t.Errorf(
+			"failed TransposeSplit:\n\texpected: % x\n\t  actual: % x",
+			expected,
+			actual,
+		)
+	}
+}
+
+func TestTransposeRandom(t *testing.T) {
+	input := "123456789abcdefghijklmnopqrstuvwxyz"
+	actual := TransposeSplit(input)
+	if input == actual {
+		t.Errorf(
+			"failed TransposeRandom:\n\texpected: something random\n\t  actual: % x",
+			input,
+			actual,
+		)
+	}
+}