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snake_test.go
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snake_test.go
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package scs
import "testing"
// TestStrIsSnake tests StrIsSnake function.
func TestStrIsSnake(t *testing.T) {
tests := []struct {
value string
result bool
}{
// Simple examples
{"One", false},
{"one", true},
{"oneTwoThree", false},
{"one_two_three", true},
{"OneTwoThree", false},
{"ice9", true},
{"Ice9", false},
// Examples with abbreviations
{"is_www_connection", true},
{"IsWWWConnection", false},
{"HTTPToHTTPS", false},
{"isHTTPOrHTTPS", false},
{"HTTPToHTTPS", false},
{"http_to_https", true},
{"http-to-https", false},
}
for i, s := range tests {
if r := StrIsSnake(s.value); s.result != r {
t.Errorf("test for %d is failed, "+
"expected %t but %t", i, s.result, r)
}
}
}
// TestStrIsSnakeExample tests StrIsSnake function.
func TestStrIsSnakeExample(t *testing.T) {
testCases := []struct {
name string
str string
want bool
}{
{
name: "Snake case string",
str: "hello_world",
want: true,
},
{
name: "Non-snake case string (CamelCase)",
str: "HelloWorld",
want: false,
},
{
name: "Non-snake case string (kebab-case)",
str: "hello-world",
want: false,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
got := StrIsSnake(tc.str)
if got != tc.want {
t.Errorf("StrIsSnake(%q) = %v, want %v", tc.str, got, tc.want)
}
})
}
}
// TestStrToSnake tests StrToSnake function.
func TestStrToSnake(t *testing.T) {
tests := []struct {
value string
result string
}{
// Simple examples
{"One", "one"},
{" One two Three ", "one_two_three"},
{"Ice 9", "ice_9"},
// Examples with abbreviations
{"is www Connection", "is_www_connection"},
{"http to https", "http_to_https"},
{"is http or https", "is_http_or_https"},
}
for i, s := range tests {
if r := StrToSnake(s.value); s.result != r {
t.Errorf("test for %d is failed, "+
"expected %s but %s", i, s.result, r)
}
}
}
// TestStrToSnakeExample tests StrToSnake function.
func TestStrToSnakeExample(t *testing.T) {
testCases := []struct {
name string
str string
want string
}{
{
name: "Converts a string with spaces to snake_case",
str: "Hello World",
want: "hello_world",
},
{
name: "Lowercase string with spaces to snake_case",
str: "hello world",
want: "hello_world",
},
{
name: "Converts a kebab-case string to snake_case",
str: "hello-world",
want: "hello_world",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
got := StrToSnake(tc.str)
if got != tc.want {
t.Errorf("StrToSnake(%q) = %q, want %q", tc.str, got, tc.want)
}
})
}
}
// TestToSnake tests ToSnake function.
func TestToSnake(t *testing.T) {
tests := []struct {
value string
result string
}{
// Simple examples
{"One", "one"},
{" One two Three ", "one_two_three"},
{"Ice 9", "ice_9"},
// Examples with abbreviations
{"isWWWConnection", "is_www_connection"},
{"HTTPToHTTPS", "http_to_https"},
{"is-http-or-https", "is_http_or_https"},
{"is_http_or_https", "is_http_or_https"},
}
for i, s := range tests {
if r := ToSnake(s.value); s.result != r {
t.Errorf("test for %d is failed, "+
"expected %s but %s", i, s.result, r)
}
}
}
// TestToSnakeExample tests ToSnake function.
func TestToSnakeExample(t *testing.T) {
tests := []struct {
name string
arg string
want string
}{
{
name: "CamelCase to snake_case",
arg: "helloWorld",
want: "hello_world",
},
{
name: "PascalCase to snake_case",
arg: "HelloWorld",
want: "hello_world",
},
{
name: "Kebab-case to snake_case",
arg: "hello-world",
want: "hello_world",
},
{
name: "snake_case remains the same",
arg: "hello_world",
want: "hello_world",
},
{
name: "Space separated words to snake_case",
arg: "Hello World",
want: "hello_world",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := ToSnake(tt.arg); got != tt.want {
t.Errorf("ToSnake() = %v, want %v", got, tt.want)
}
})
}
}
// TestSnakeToCamel tests SnakeToCamel function.
func TestSnakeToCamel(t *testing.T) {
tests := []struct {
value string
result string
}{
// Simple examples
{"one", "one"},
{"one_two_three", "oneTwoThree"},
{"ice_9", "ice9"},
// Examples with abbreviations
{"is_www_connection", "isWWWConnection"},
{"http_to_https", "httpToHTTPS"},
{"is_http_or_https", "isHTTPOrHTTPS"},
}
for i, s := range tests {
if r, _ := SnakeToCamel(s.value); s.result != r {
t.Errorf("test for %d is failed, "+
"expected %s but %s", i, s.result, r)
}
}
}
// TestSnakeToCamelExample tests SnakeToCamel function.
func TestSnakeToCamelExample(t *testing.T) {
tests := []struct {
name string
snake string
want string
wantErr bool
}{
{
name: "Snake case string",
snake: "hello_world",
want: "helloWorld",
wantErr: false,
},
{
name: "Camel case string",
snake: "HelloWorld",
want: "",
wantErr: true,
},
{
name: "Kebab case string",
snake: "hello-world",
want: "",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := SnakeToCamel(tt.snake)
if (err != nil) != tt.wantErr {
t.Errorf("SnakeToCamel() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("SnakeToCamel() = %v, want %v", got, tt.want)
}
})
}
}
// TestSnakeToCamelError tests SnakeToCamel function with wrong value.
func TestSnakeToCamelError(t *testing.T) {
notSnake := "oneTwoThree"
_, err := SnakeToCamel(notSnake)
if err == nil {
t.Error("not snake to camel")
}
}
// TestSnakeToKebab tests SnakeToKebab function.
func TestSnakeToKebab(t *testing.T) {
tests := []struct {
value string
result string
}{
// Simple examples
{"one", "one"},
{"one_two_three", "one-two-three"},
{"ice_9", "ice-9"},
// Examples with abbreviations
{"is_www_connection", "is-www-connection"},
{"http_to_https", "http-to-https"},
{"is_http_or_https", "is-http-or-https"},
}
for i, s := range tests {
if r, _ := SnakeToKebab(s.value); s.result != r {
t.Errorf("test for %d is failed, "+
"expected %s but %s", i, s.result, r)
}
}
}
// TestSnakeToKebabExample tests SnakeToKebab function.
func TestSnakeToKebabExample(t *testing.T) {
cases := []struct {
name string
input string
want string
wantErr bool
}{
{
name: "Valid Snake Case",
input: "hello_world",
want: "hello-world",
},
{
name: "Invalid Snake Case - CamelCase",
input: "HelloWorld",
wantErr: true,
},
{
name: "Invalid Snake Case - camelCase",
input: "helloWorld",
wantErr: true,
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
got, err := SnakeToKebab(tc.input)
if tc.wantErr && err == nil {
t.Errorf("SnakeToKebab(%q) expected error, got nil",
tc.input)
}
if !tc.wantErr && err != nil {
t.Errorf("SnakeToKebab(%q) unexpected error: %v",
tc.input, err)
}
if got != tc.want {
t.Errorf("SnakeToKebab(%q) = %q, want %q",
tc.input, got, tc.want)
}
})
}
}
// TestSnakeToKebabError tests SnakeToKebab function with wrong value.
func TestSnakeToKebabError(t *testing.T) {
notSnake := "oneTwoThree"
_, err := SnakeToKebab(notSnake)
if err == nil {
t.Error("not snake to kebab")
}
}
// TestSnakeToPascal tests SnakeToPascal function.
func TestSnakeToPascal(t *testing.T) {
tests := []struct {
value string
result string
}{
// Simple examples
{"one", "One"},
{"one_two_three", "OneTwoThree"},
{"ice_9", "Ice9"},
// Examples with abbreviations
{"is_www_connection", "IsWWWConnection"},
{"http_to_https", "HTTPToHTTPS"},
{"is_http_or_https", "IsHTTPOrHTTPS"},
}
for i, s := range tests {
if r, _ := SnakeToPascal(s.value); s.result != r {
t.Errorf("test for %d is failed, "+
"expected %s but %s", i, s.result, r)
}
}
}
// TestSnakeToPascalExample tests SnakeToPascal function.
func TestSnakeToPascalExample(t *testing.T) {
tests := []struct {
name string
input string
want string
wantError bool
}{
{
name: "Valid snake_case string",
input: "hello_world",
want: "HelloWorld",
wantError: false,
},
{
name: "Invalid non-snake_case string with uppercase",
input: "HelloWorld",
want: "",
wantError: true,
},
{
name: "Invalid non-snake_case string with hyphen",
input: "hello-world",
want: "",
wantError: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := SnakeToPascal(tt.input)
if (err != nil) != tt.wantError {
t.Errorf("SnakeToPascal() error = %v, wantError %v",
err, tt.wantError)
return
}
if got != tt.want {
t.Errorf("SnakeToPascal() = %v, want %v", got, tt.want)
}
})
}
}
// TestSnakeToPascalError tests SnakeToPascal function with wrong value.
func TestSnakeToPascalError(t *testing.T) {
notSnake := "oneTwoThree"
_, err := SnakeToPascal(notSnake)
if err == nil {
t.Error("not snake to pascal")
}
}