IP Whitelists for Frontend (with Docker- & Kubernetes-Provider Support)

provider/string_util_test.go

@@ -0,0 +1,61 @@
+package provider
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestSplitAndTrimString(t *testing.T) {
+	cases := []struct {
+		desc     string
+		input    string
+		expected []string
+	}{
+		{
+			desc:     "empty string",
+			input:    "",
+			expected: nil,
+		}, {
+			desc:     "one piece",
+			input:    "foo",
+			expected: []string{"foo"},
+		}, {
+			desc:     "two pieces",
+			input:    "foo,bar",
+			expected: []string{"foo", "bar"},
+		}, {
+			desc:     "three pieces",
+			input:    "foo,bar,zoo",
+			expected: []string{"foo", "bar", "zoo"},
+		}, {
+			desc:     "two pieces with whitespace",
+			input:    " foo   ,  bar     ",
+			expected: []string{"foo", "bar"},
+		}, {
+			desc:     "consecutive commas",
+			input:    " foo   ,,  bar     ",
+			expected: []string{"foo", "bar"},
+		}, {
+			desc:     "consecutive commas with witespace",
+			input:    " foo   , ,  bar     ",
+			expected: []string{"foo", "bar"},
+		}, {
+			desc:     "leading and trailing commas",
+			input:    ",, foo   , ,  bar,, , ",
+			expected: []string{"foo", "bar"},
+		}, {
+			desc:     "no valid pieces",
+			input:    ",  , , ,, ,",
+			expected: nil,
+		},
+	}
+
+	for _, test := range cases {
+		test := test
+		t.Run(test.desc, func(t *testing.T) {
+			t.Parallel()
+			actual := SplitAndTrimString(test.input)
+			assert.Equal(t, test.expected, actual)
+		})
+	}
+}