1 files changed, 79 insertions, 0 deletions
diff --git a/modules/templates/util_test.go b/modules/templates/util_test.go
new file mode 100644
index 00000000..79aaba4a
--- /dev/null
+++ b/modules/templates/util_test.go
@@ -0,0 +1,79 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package templates
+
+import (
+	"html/template"
+	"io"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDict(t *testing.T) {
+	type M map[string]any
+	cases := []struct {
+		args []any
+		want map[string]any
+	}{
+		{[]any{"a", 1, "b", 2}, M{"a": 1, "b": 2}},
+		{[]any{".", M{"base": 1}, "b", 2}, M{"base": 1, "b": 2}},
+		{[]any{"a", 1, ".", M{"extra": 2}}, M{"a": 1, "extra": 2}},
+		{[]any{"a", 1, ".", map[string]int{"int": 2}}, M{"a": 1, "int": 2}},
+		{[]any{".", nil, "b", 2}, M{"b": 2}},
+	}
+
+	for _, c := range cases {
+		got, err := dict(c.args...)
+		require.NoError(t, err)
+		assert.EqualValues(t, c.want, got)
+	}
+
+	bads := []struct {
+		args []any
+	}{
+		{[]any{"a", 1, "b"}},
+		{[]any{1}},
+		{[]any{struct{}{}}},
+	}
+	for _, c := range bads {
+		_, err := dict(c.args...)
+		require.Error(t, err)
+	}
+}
+
+func TestUtils(t *testing.T) {
+	execTmpl := func(code string, data any) string {
+		tmpl := template.New("test")
+		tmpl.Funcs(template.FuncMap{"SliceUtils": NewSliceUtils, "StringUtils": NewStringUtils})
+		template.Must(tmpl.Parse(code))
+		w := &strings.Builder{}
+		require.NoError(t, tmpl.Execute(w, data))
+		return w.String()
+	}
+
+	actual := execTmpl("{{SliceUtils.Contains .Slice .Value}}", map[string]any{"Slice": []string{"a", "b"}, "Value": "a"})
+	assert.Equal(t, "true", actual)
+
+	actual = execTmpl("{{SliceUtils.Contains .Slice .Value}}", map[string]any{"Slice": []string{"a", "b"}, "Value": "x"})
+	assert.Equal(t, "false", actual)
+
+	actual = execTmpl("{{SliceUtils.Contains .Slice .Value}}", map[string]any{"Slice": []int64{1, 2}, "Value": int64(2)})
+	assert.Equal(t, "true", actual)
+
+	actual = execTmpl("{{StringUtils.Contains .String .Value}}", map[string]any{"String": "abc", "Value": "b"})
+	assert.Equal(t, "true", actual)
+
+	actual = execTmpl("{{StringUtils.Contains .String .Value}}", map[string]any{"String": "abc", "Value": "x"})
+	assert.Equal(t, "false", actual)
+
+	tmpl := template.New("test")
+	tmpl.Funcs(template.FuncMap{"SliceUtils": NewSliceUtils, "StringUtils": NewStringUtils})
+	template.Must(tmpl.Parse("{{SliceUtils.Contains .Slice .Value}}"))
+	// error is like this: `template: test:1:12: executing "test" at <SliceUtils.Contains>: error calling Contains: ...`
+	err := tmpl.Execute(io.Discard, map[string]any{"Slice": struct{}{}})
+	require.ErrorContains(t, err, "invalid type, expected slice or array")
+}