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mirror of https://github.com/duke-git/lancet.git synced 2026-02-09 15:12:26 +08:00

feat: add new functions in datetime and strutils

This commit is contained in:
dudaodong
2024-09-09 14:33:15 +08:00
parent cb7ff904d9
commit 2145808268
10 changed files with 650 additions and 1 deletions

View File

@@ -642,3 +642,32 @@ func Rotate(str string, shift int) string {
return sb.String()
}
// TemplateReplace replaces the placeholders in the template string with the corresponding values in the data map.
// The placeholders are enclosed in curly braces, e.g. {key}.
// for example, the template string is "Hello, {name}!", and the data map is {"name": "world"},
// the result will be "Hello, world!".
func TemplateReplace(template string, data map[string]string) string {
re := regexp.MustCompile(`\{(\w+)\}`)
result := re.ReplaceAllStringFunc(template, func(s string) string {
key := strings.Trim(s, "{}")
if val, ok := data[key]; ok {
return val
}
return s
})
result = strings.ReplaceAll(result, "{{", "{")
result = strings.ReplaceAll(result, "}}", "}")
return result
}
// RegexMatchAllGroups Matches all subgroups in a string using a regular expression and returns the result.
func RegexMatchAllGroups(pattern, str string) [][]string {
re := regexp.MustCompile(pattern)
matches := re.FindAllStringSubmatch(str, -1)
return matches
}

View File

@@ -581,3 +581,90 @@ func TestRotate(t *testing.T) {
assert.Equal(tt.expected, Rotate(tt.input, tt.shift))
}
}
func TestTemplateReplace(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestTemplateReplace")
t.Run("basic", func(t *testing.T) {
template := `Hello, my name is {name}, I'm {age} years old.`
data := map[string]string{
"name": "Bob",
"age": "20",
}
expected := `Hello, my name is Bob, I'm 20 years old.`
result := TemplateReplace(template, data)
assert.Equal(expected, result)
})
t.Run("not found", func(t *testing.T) {
template := `Hello, my name is {name}, I'm {age} years old.`
data := map[string]string{
"name": "Bob",
}
expected := `Hello, my name is Bob, I'm {age} years old.`
result := TemplateReplace(template, data)
assert.Equal(expected, result)
})
t.Run("brackets", func(t *testing.T) {
template := `Hello, my name is {name}, I'm {{age}} years old.`
data := map[string]string{
"name": "Bob",
"age": "20",
}
expected := `Hello, my name is Bob, I'm {20} years old.`
result := TemplateReplace(template, data)
assert.Equal(expected, result)
})
}
func TestRegexMatchAllGroups(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestRegexMatchAllGroups")
tests := []struct {
pattern string
str string
expected [][]string
}{
{
pattern: `(\w+\.+\w+)@(\w+)\.(\w+)`,
str: "Emails: john.doe@example.com and jane.doe@example.com",
expected: [][]string{{"john.doe@example.com", "john.doe", "example", "com"}, {"jane.doe@example.com", "jane.doe", "example", "com"}},
},
{
pattern: `(\d+)`,
str: "No numbers here!",
expected: nil,
},
{
pattern: `(\d{3})-(\d{2})-(\d{4})`,
str: "My number is 123-45-6789",
expected: [][]string{{"123-45-6789", "123", "45", "6789"}},
},
{
pattern: `(\w+)\s(\d+)`,
str: "Item A 123, Item B 456",
expected: [][]string{{"A 123", "A", "123"}, {"B 456", "B", "456"}},
},
{
pattern: `(\d{2})-(\d{2})-(\d{4})`,
str: "Dates: 01-01-2020, 12-31-1999",
expected: [][]string{{"01-01-2020", "01", "01", "2020"}, {"12-31-1999", "12", "31", "1999"}},
},
}
for _, tt := range tests {
result := RegexMatchAllGroups(tt.pattern, tt.str)
assert.Equal(tt.expected, result)
}
}