spf13--cobra/cobra_test.go

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// Copyright 2013-2023 The Cobra Authors
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//
// 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 cobra
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import (
"testing"
"text/template"
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)
func assertNoErr(t *testing.T, e error) {
if e != nil {
t.Error(e)
}
}
func TestAddTemplateFunctions(t *testing.T) {
AddTemplateFunc("t", func() bool { return true })
AddTemplateFuncs(template.FuncMap{
"f": func() bool { return false },
"h": func() string { return "Hello," },
"w": func() string { return "world." }})
c := &Command{}
c.SetUsageTemplate(`{{if t}}{{h}}{{end}}{{if f}}{{h}}{{end}} {{w}}`)
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const expected = "Hello, world."
if got := c.UsageString(); got != expected {
t.Errorf("Expected UsageString: %v\nGot: %v", expected, got)
}
}
func TestLevenshteinDistance(t *testing.T) {
tests := []struct {
name string
s string
t string
ignoreCase bool
expected int
}{
{
name: "Equal strings (case-sensitive)",
s: "hello",
t: "hello",
ignoreCase: false,
expected: 0,
},
{
name: "Equal strings (case-insensitive)",
s: "Hello",
t: "hello",
ignoreCase: true,
expected: 0,
},
{
name: "Different strings (case-sensitive)",
s: "kitten",
t: "sitting",
ignoreCase: false,
expected: 3,
},
{
name: "Different strings (case-insensitive)",
s: "Kitten",
t: "Sitting",
ignoreCase: true,
expected: 3,
},
{
name: "Empty strings",
s: "",
t: "",
ignoreCase: false,
expected: 0,
},
{
name: "One empty string",
s: "abc",
t: "",
ignoreCase: false,
expected: 3,
},
{
name: "Both empty strings",
s: "",
t: "",
ignoreCase: true,
expected: 0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Act
got := ld(tt.s, tt.t, tt.ignoreCase)
// Assert
if got != tt.expected {
t.Errorf("Expected ld: %v\nGot: %v", tt.expected, got)
}
})
}
}
func TestStringInSlice(t *testing.T) {
tests := []struct {
name string
a string
list []string
expected bool
}{
{
name: "String in slice (case-sensitive)",
a: "apple",
list: []string{"orange", "banana", "apple", "grape"},
expected: true,
},
{
name: "String not in slice (case-sensitive)",
a: "pear",
list: []string{"orange", "banana", "apple", "grape"},
expected: false,
},
{
name: "String in slice (case-insensitive)",
a: "APPLE",
list: []string{"orange", "banana", "apple", "grape"},
expected: false,
},
{
name: "Empty slice",
a: "apple",
list: []string{},
expected: false,
},
{
name: "Empty string",
a: "",
list: []string{"orange", "banana", "apple", "grape"},
expected: false,
},
{
name: "Empty strings match",
a: "",
list: []string{"orange", ""},
expected: true,
},
{
name: "Empty string in empty slice",
a: "",
list: []string{},
expected: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Act
got := stringInSlice(tt.a, tt.list)
// Assert
if got != tt.expected {
t.Errorf("Expected stringInSlice: %v\nGot: %v", tt.expected, got)
}
})
}
}
func TestRpad(t *testing.T) {
tests := []struct {
name string
inputString string
padding int
expected string
}{
{
name: "Padding required",
inputString: "Hello",
padding: 10,
expected: "Hello ",
},
{
name: "No padding required",
inputString: "World",
padding: 5,
expected: "World",
},
{
name: "Empty string",
inputString: "",
padding: 8,
expected: " ",
},
{
name: "Zero padding",
inputString: "cobra",
padding: 0,
expected: "cobra",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Act
got := rpad(tt.inputString, tt.padding)
// Assert
if got != tt.expected {
t.Errorf("Expected rpad: %v\nGot: %v", tt.expected, got)
}
})
}
}