test

internal/utils/general_test.go

@@ -0,0 +1,51 @@
+package utils
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestFilterList(t *testing.T) {
+	input := []string{"a", "b", "a"}
+	filter := []string{"a", "c"}
+	out := FilterList(input, filter)
+	require.Equal(t, []string{"b"}, out)
+}
+
+func TestSanitizeString(t *testing.T) {
+	testCases := []struct {
+		input    string
+		expected string
+	}{
+		{input: "test", expected: "test"},
+		{input: "new\nline", expected: "newline"},
+		{input: "carriage\rreturn", expected: "carriagereturn"},
+		{input: "new\nline\ncarriage\rreturn\n\r", expected: "newlinecarriagereturn"},
+	}
+
+	for i, testCase := range testCases {
+		t.Run(
+			fmt.Sprintf("testcase #%d %s -> %s", i, testCase.input, testCase.expected),
+			func(t *testing.T) {
+				out := SanitizeString(testCase.input)
+				require.Equal(t, testCase.expected, out)
+			},
+		)
+	}
+}
+
+func TestReadFile(t *testing.T) {
+	t.Run("ok", func(t *testing.T) {
+		content, err := ReadFile("./testfile.txt")
+		require.NoError(t, err)
+		require.Equal(t, "the-content", string(content))
+	})
+
+	t.Run("ko", func(t *testing.T) {
+		content, err := ReadFile("./missingfile.txt")
+		require.Error(t, err)
+		require.Nil(t, content)
+	})
+}

internal/utils/testfile.txt

@@ -0,0 +1 @@
+the-content