chore: import upstream snapshot with attribution

2026-07-13 13:01:40 +08:00
commit 5357c39144
2379 changed files with 670828 additions and 0 deletions
@@ -0,0 +1,135 @@
+// Copyright 2019 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package strhelp
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNthTokenTest(t *testing.T) {
+	tests := []struct {
+		in          string
+		n           int
+		expectedStr string
+		expectedOk  bool
+	}{
+		{
+			"",
+			0,
+			"",
+			true,
+		},
+		{
+			"",
+			1,
+			"",
+			false,
+		},
+		{
+			"short",
+			0,
+			"short",
+			true,
+		},
+		{
+			"short",
+			1,
+			"",
+			false,
+		},
+		{
+			"0/1/2",
+			0,
+			"0",
+			true,
+		},
+		{
+			"0/1/2",
+			1,
+			"1",
+			true,
+		},
+		{
+			"0/1/2",
+			2,
+			"2",
+			true,
+		},
+		{
+			"0/1/2",
+			3,
+			"",
+			false,
+		},
+		{
+			"/1/2/",
+			0,
+			"",
+			true,
+		},
+		{
+			"/1/2/",
+			1,
+			"1",
+			true,
+		},
+		{
+			"/1/2/",
+			2,
+			"2",
+			true,
+		},
+		{
+			"/1/2/",
+			3,
+			"",
+			true,
+		},
+		{
+			"/1/2/",
+			4,
+			"",
+			false,
+		},
+	}
+
+	for _, test := range tests {
+		token, ok := NthToken(test.in, '/', test.n)
+
+		if token != test.expectedStr || ok != test.expectedOk {
+			t.Error(test.in, test.n, "th token should be", test.expectedStr, "but it is", token)
+		}
+	}
+}
+
+func TestCommaIfy(t *testing.T) {
+	tests := map[int64]string{
+		1:        "1",
+		10:       "10",
+		100:      "100",
+		1000:     "1,000",
+		10000:    "10,000",
+		100000:   "100,000",
+		1000000:  "1,000,000",
+		10000000: "10,000,000",
+	}
+
+	for i, expected := range tests {
+		str := CommaIfy(i)
+		assert.Equal(t, expected, str)
+	}
+}