Added missing source tests for ping.go

ping_test.go

@@ -8,7 +8,8 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func TestSystemPing(t *testing.T) {
+// integration test
+func Test_SystemPing(t *testing.T) {
 	type testCase struct {
 		// constructors
 		address string
@@ -40,7 +41,7 @@ func TestSystemPing(t *testing.T) {
 	})
 }
 
-func TestSplitBytes(t *testing.T) {
+func Test_SplitBytes(t *testing.T) {
 	type testCase struct {
 		// test data
 		bytes *[]byte
@@ -66,34 +67,51 @@ func TestSplitBytes(t *testing.T) {
 	})
 }
 
-func TestPing(t *testing.T) {
+func Test_Ping(t *testing.T) {
 	type testCase struct {
 		address string
 
 		delay float64
 		err   error
 	}
-	t.Run("test golang ping interface", func(t *testing.T) {
-		var tests []testCase
-		// init tests
-		for range 5 {
-			tests = append(tests, testCase{
-				address: "127.0.0.1",
-				delay:   0,
-				err:     nil,
-			})
-		}
-		tests = append(tests, testCase{address: "willneverresolveever", delay: -1, err: errors.New("test failure")})
+	var tests []testCase
+	// init tests
+	tests = append(tests, testCase{
+		address: "127.0.0.1",
+		delay:   0,
+		err:     nil,
+	})
+	tests = append(tests,
+		testCase{
+			address: "willneverresolveever",
+			delay:   -1,
+			err:     errors.New("test failure"),
+		})
 
-		for _, test := range tests {
-			delay, err := Ping(test.address)
-			assert.GreaterOrEqual(t, delay, test.delay)
-			if test.err != nil {
-				assert.Error(t, err)
-				assert.Equal(t, delay, test.delay)
-			} else {
-				assert.NoError(t, err)
-			}
+	for _, test := range tests {
+		delay, err := Ping(test.address)
+		assert.GreaterOrEqual(t, delay, test.delay)
+		if test.err != nil {
+			assert.Error(t, err)
+			assert.Equal(t, delay, test.delay)
+		} else {
+			assert.NoError(t, err)
 		}
-	})
+	}
+}
+
+func spawnAddress(a string, r []float64, m int) Address {
+	return Address{Address: a, results: r, max_results: m}
+}
+func Test_Address_Truncate(t *testing.T) {
+	testA := spawnAddress("test", make([]float64, 20), 10)
+	postTruncate := testA.Truncate()
+	assert.True(t, len(postTruncate) == 10)
+}
+
+func Test_Address_Last(t *testing.T) {
+	testA := spawnAddress("test", []float64{20}, 10)
+	assert.True(t, testA.Last() == 20)
+	testA = spawnAddress("test", []float64{}, 10)
+	assert.True(t, testA.Last() == -1)
 }