chore: test types and utils (#79)

* chore: test types and utils

* chore: fixed linting

pkg/types/error_test.go

@@ -4,6 +4,8 @@ import (
 	"errors"
 	"testing"
 
+	"github.com/stretchr/testify/require"
+
 	"github.com/stretchr/testify/assert"
 )
 
@@ -36,3 +38,30 @@ func TestQueryErrorSerializeWithoutQueryError(t *testing.T) {
 		"Error mismatch!",
 	)
 }
+
+func TestJsonErrorMarshalJson(t *testing.T) {
+	t.Parallel()
+
+	jsonErr := JSONError{error: "error"}
+	value, err := jsonErr.MarshalJSON()
+
+	require.NoError(t, err)
+	assert.Equal(t, []byte("\"error\""), value)
+}
+
+func TestJsonErrorUnmarshalJson(t *testing.T) {
+	t.Parallel()
+
+	jsonErr := JSONError{}
+	err := jsonErr.UnmarshalJSON([]byte("error"))
+
+	require.NoError(t, err)
+	assert.Equal(t, "error", jsonErr.error)
+}
+
+func TestJsonErrorToString(t *testing.T) {
+	t.Parallel()
+
+	jsonErr := JSONError{error: "error"}
+	assert.Equal(t, "error", jsonErr.Error())
+}

pkg/utils/utils_test.go

@@ -0,0 +1,92 @@
+package utils
+
+import (
+	"main/pkg/constants"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestFilter(t *testing.T) {
+	t.Parallel()
+
+	array := []int64{1, 2, 3}
+
+	filtered := Filter(array, func(value int64) bool {
+		return value == 2
+	})
+
+	assert.Len(t, filtered, 1)
+	assert.Equal(t, int64(2), filtered[0])
+}
+
+func TestMap(t *testing.T) {
+	t.Parallel()
+
+	array := []int64{1, 2, 3}
+
+	filtered := Map(array, func(value int64) int64 {
+		return value * 2
+	})
+
+	assert.Len(t, filtered, 3)
+	assert.Equal(t, int64(2), filtered[0])
+	assert.Equal(t, int64(4), filtered[1])
+	assert.Equal(t, int64(6), filtered[2])
+}
+
+func TestContains(t *testing.T) {
+	t.Parallel()
+
+	array := []int64{1, 2, 3}
+
+	assert.True(t, Contains(array, 3))
+	assert.False(t, Contains(array, 4))
+}
+
+func TestFormatDuration(t *testing.T) {
+	t.Parallel()
+
+	duration := time.Hour*24 + time.Hour*2 + time.Second*4
+	formatted := FormatDuration(duration)
+
+	assert.Equal(t, "1 day 2 hours 4 seconds", formatted)
+}
+
+func TestGetBlockFromHeaderNoValue(t *testing.T) {
+	t.Parallel()
+
+	header := http.Header{}
+	value, err := GetBlockHeightFromHeader(header)
+
+	require.NoError(t, err)
+	assert.Equal(t, int64(0), value)
+}
+
+func TestGetBlockFromHeaderInvalidValue(t *testing.T) {
+	t.Parallel()
+
+	header := http.Header{
+		constants.HeaderBlockHeight: []string{"invalid"},
+	}
+	value, err := GetBlockHeightFromHeader(header)
+
+	require.Error(t, err)
+	assert.Equal(t, int64(0), value)
+}
+
+func TestGetBlockFromHeaderValidValue(t *testing.T) {
+	t.Parallel()
+
+	header := http.Header{
+		constants.HeaderBlockHeight: []string{"123"},
+	}
+	value, err := GetBlockHeightFromHeader(header)
+
+	require.NoError(t, err)
+	assert.Equal(t, int64(123), value)
+}