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zk/internal/util/strings/strings_test.go

118 lines
3.1 KiB
Go

package strings
import (
"testing"
"github.com/mickael-menu/zk/internal/util/test/assert"
)
func TestPrepend(t *testing.T) {
test := func(text string, prefix string, expected string) {
assert.Equal(t, Prepend(text, prefix), expected)
}
test("", "> ", "")
test("One line", "> ", "> One line")
test("One line\nTwo lines", "> ", "> One line\n> Two lines")
test("One line\nTwo lines\nThree lines", "> ", "> One line\n> Two lines\n> Three lines")
test("Newline\n", "> ", "> Newline\n")
}
func TestPluralize(t *testing.T) {
test := func(word string, count int, expected string) {
assert.Equal(t, Pluralize(word, count), expected)
}
test("", 1, "")
test("", 2, "")
test("word", -2, "words")
test("word", -1, "word")
test("word", 0, "word")
test("word", 1, "word")
test("word", 2, "words")
test("word", 1000, "words")
}
func TestSplitLines(t *testing.T) {
test := func(text string, expected ...string) {
assert.Equal(t, SplitLines(text), expected)
}
test("")
test("One line", "One line")
test("One line\nTwo lines", "One line", "Two lines")
test("One line\nTwo lines\n\nThree lines", "One line", "Two lines", "", "Three lines")
}
func TestJoinLines(t *testing.T) {
test := func(text string, expected string) {
assert.Equal(t, JoinLines(text), expected)
}
test("", "")
test("One line", "One line")
test("One line\nTwo lines", "One line Two lines")
test("One line\nTwo lines\n\nThree lines", "One line Two lines Three lines")
test("One line\nTwo lines\n Three lines", "One line Two lines Three lines")
}
func TestJoinInt64(t *testing.T) {
test := func(ints []int64, expected string) {
assert.Equal(t, JoinInt64(ints, ","), expected)
}
test([]int64{}, "")
test([]int64{1}, "1")
test([]int64{1, 2}, "1,2")
test([]int64{1, 2, 3}, "1,2,3")
}
func TestIsURL(t *testing.T) {
test := func(text string, expected bool) {
assert.Equal(t, IsURL(text), expected)
}
test("", false)
test("example.com/", false)
test("path", false)
test("http://example.com", true)
test("https://example.com/dir", true)
test("http://example.com/dir", true)
test("ftp://example.com/", true)
}
func TestRemoveDuplicates(t *testing.T) {
test := func(items []string, expected []string) {
assert.Equal(t, RemoveDuplicates(items), expected)
}
test([]string{}, []string{})
test([]string{"One"}, []string{"One"})
test([]string{"One", "Two"}, []string{"One", "Two"})
test([]string{"One", "Two", "One"}, []string{"One", "Two"})
test([]string{"Two", "One", "Two", "One"}, []string{"Two", "One"})
test([]string{"One", "Two", "OneTwo"}, []string{"One", "Two", "OneTwo"})
}
func TestInList(t *testing.T) {
test := func(items []string, s string, expected bool) {
assert.Equal(t, InList(items, s), expected)
}
test([]string{}, "", false)
test([]string{}, "none", false)
test([]string{"one"}, "none", false)
test([]string{"one"}, "one", true)
test([]string{"one", "two"}, "one", true)
test([]string{"one", "two"}, "three", false)
}
func TestExpandWhitespaceLiterals(t *testing.T) {
test := func(s string, expected string) {
assert.Equal(t, ExpandWhitespaceLiterals(s), expected)
}
test(`nothing`, "nothing")
test(`newline\ntab\t`, "newline\ntab\t")
}