mirror of
https://github.com/neilotoole/sq.git
synced 2024-12-24 00:22:57 +03:00
f85da722ad
* Now using a dedicated `decimal.Decimal` type instead of float/string.
624 lines
14 KiB
Go
624 lines
14 KiB
Go
package stringz_test
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import (
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"strconv"
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"strings"
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"testing"
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"github.com/samber/lo"
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"github.com/shopspring/decimal"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/neilotoole/sq/libsq/core/stringz"
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"github.com/neilotoole/sq/testh/tutil"
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)
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func TestGenerateAlphaColName(t *testing.T) {
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quantity := 704
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colNames := make([]string, quantity)
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for i := 0; i < quantity; i++ {
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colNames[i] = stringz.GenerateAlphaColName(i, false)
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}
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items := []struct {
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index int
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colName string
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}{
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{0, "A"},
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{1, "B"},
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{25, "Z"},
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{26, "AA"},
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{27, "AB"},
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{51, "AZ"},
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{52, "BA"},
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{53, "BB"},
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{77, "BZ"},
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{78, "CA"},
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{701, "ZZ"},
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{702, "AAA"},
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{703, "AAB"},
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}
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for _, item := range items {
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assert.Equal(t, item.colName, colNames[item.index])
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}
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}
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func TestUUID(t *testing.T) {
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for i := 0; i < 100; i++ {
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u := stringz.Uniq32()
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require.Equal(t, 32, len(u))
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}
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}
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func TestPluralize(t *testing.T) {
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testCases := []struct {
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s string
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i int
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want string
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}{
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{s: "row(s)", i: 0, want: "rows"},
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{s: "row(s)", i: 1, want: "row"},
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{s: "row(s)", i: 2, want: "rows"},
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{s: "row(s) col(s)", i: 0, want: "rows cols"},
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{s: "row(s) col(s)", i: 1, want: "row col"},
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{s: "row(s) col(s)", i: 2, want: "rows cols"},
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{s: "row(s)", i: 2, want: "rows"},
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{s: "rows", i: 0, want: "rows"},
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{s: "rows", i: 1, want: "rows"},
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{s: "rows", i: 2, want: "rows"},
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}
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for _, tc := range testCases {
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got := stringz.Plu(tc.s, tc.i)
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require.Equal(t, tc.want, got)
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}
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}
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func TestTrimLen(t *testing.T) {
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testCases := []struct {
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s string
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i int
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want string
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}{
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{s: "", i: 0, want: ""},
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{s: "", i: 1, want: ""},
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{s: "abc", i: 0, want: ""},
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{s: "abc", i: 1, want: "a"},
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{s: "abc", i: 2, want: "ab"},
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{s: "abc", i: 3, want: "abc"},
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{s: "abc", i: 4, want: "abc"},
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{s: "abc", i: 5, want: "abc"},
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}
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for _, tc := range testCases {
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got := stringz.TrimLen(tc.s, tc.i)
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require.Equal(t, tc.want, got)
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}
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}
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func TestRepeatJoin(t *testing.T) {
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testCases := []struct {
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s string
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count int
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sep string
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want string
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}{
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{s: "", count: 0, sep: ",", want: ""},
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{s: "", count: 1, sep: ",", want: ""},
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{s: "?", count: 1, sep: ",", want: "?"},
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{s: "?", count: 2, sep: ",", want: "?,?"},
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{s: "?", count: 3, sep: ",", want: "?,?,?"},
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{s: "?", count: 3, sep: "", want: "???"},
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{s: "?", count: 0, sep: "", want: ""},
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{s: "?", count: 1, sep: "", want: "?"},
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{s: "?", count: 2, sep: "", want: "??"},
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{s: "?", count: 3, sep: "", want: "???"},
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}
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for _, tc := range testCases {
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got := stringz.RepeatJoin(tc.s, tc.count, tc.sep)
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require.Equal(t, tc.want, got)
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}
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}
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func TestSurround(t *testing.T) {
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testCases := []struct {
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s string
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w string
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want string
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}{
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{s: "", w: "__", want: "____"},
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{s: "hello", w: "__", want: "__hello__"},
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}
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for _, tc := range testCases {
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got := stringz.Surround(tc.s, tc.w)
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require.Equal(t, tc.want, got)
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}
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}
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func TestSurroundSlice(t *testing.T) {
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testCases := []struct {
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a []string
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w string
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want []string
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}{
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{a: nil, w: "__", want: nil},
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{a: []string{}, w: "__", want: []string{}},
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{a: []string{""}, w: "__", want: []string{"____"}},
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{a: []string{"hello", "world"}, w: "__", want: []string{"__hello__", "__world__"}},
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{a: []string{"hello", "world"}, w: "", want: []string{"hello", "world"}},
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}
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for _, tc := range testCases {
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got := stringz.SurroundSlice(tc.a, tc.w)
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require.Equal(t, tc.want, got)
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}
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}
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func TestPrefixSlice(t *testing.T) {
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testCases := []struct {
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a []string
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w string
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want []string
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}{
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{a: nil, w: "__", want: nil},
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{a: []string{}, w: "__", want: []string{}},
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{a: []string{""}, w: "__", want: []string{"__"}},
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{a: []string{"hello", "world"}, w: "__", want: []string{"__hello", "__world"}},
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{a: []string{"hello", "world"}, w: "", want: []string{"hello", "world"}},
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}
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for _, tc := range testCases {
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got := stringz.PrefixSlice(tc.a, tc.w)
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require.Equal(t, tc.want, got)
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}
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}
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func TestParseBool(t *testing.T) {
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testCases := map[string]bool{
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"1": true,
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"t": true,
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"true": true,
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"TRUE": true,
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"y": true,
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"Y": true,
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"yes": true,
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"Yes": true,
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"YES": true,
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"0": false,
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"f": false,
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"false": false,
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"False": false,
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"n": false,
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"N": false,
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"no": false,
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"No": false,
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"NO": false,
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}
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for input, wantBool := range testCases {
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gotBool, gotErr := stringz.ParseBool(input)
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require.NoError(t, gotErr)
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require.Equal(t, wantBool, gotBool)
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}
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invalid := []string{"", " ", " true ", "gibberish", "-1"}
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for _, input := range invalid {
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_, gotErr := stringz.ParseBool(input)
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require.Error(t, gotErr)
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}
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}
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// TestSliceIndex_InSlice tests SliceIndex and InSlice.
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func TestSliceIndex_InSlice(t *testing.T) {
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const needle = "hello"
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testCases := []struct {
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haystack []string
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needle string
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want int
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}{
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{haystack: nil, needle: needle, want: -1},
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{haystack: []string{}, needle: needle, want: -1},
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{haystack: []string{needle}, needle: needle, want: 0},
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{haystack: []string{"a", needle}, needle: needle, want: 1},
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{haystack: []string{"a", needle, "c"}, needle: needle, want: 1},
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{haystack: []string{"a", "b", needle}, needle: needle, want: 2},
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}
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for _, tc := range testCases {
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require.Equal(t, tc.want, stringz.SliceIndex(tc.haystack, tc.needle))
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// Also test sister func InSlice
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require.Equal(t, tc.want >= 0, stringz.InSlice(tc.haystack, tc.needle))
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}
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}
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func TestUniqTableName(t *testing.T) {
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t.Parallel()
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testCases := []string{
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"",
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"a",
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
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}
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for _, inputTblName := range testCases {
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gotTblName := stringz.UniqTableName(inputTblName)
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require.True(t, len(gotTblName) > 0)
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require.True(t, len(gotTblName) < 64)
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t.Logf("%d: %s", len(gotTblName), gotTblName)
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}
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}
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func TestSanitizeAlphaNumeric(t *testing.T) {
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testCases := map[string]string{
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"": "",
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" ": "_",
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"_": "_",
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"abc123": "abc123",
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"_abc_123": "_abc_123",
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"a#2%3.4_": "a_2_3_4_",
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"😀abc123😀": "_abc123_",
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}
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for input, want := range testCases {
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got := stringz.SanitizeAlphaNumeric(input, '_')
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require.Equal(t, want, got)
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}
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}
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func TestLineCount(t *testing.T) {
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testCases := []struct {
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in string
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withEmpty int
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skipEmpty int
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}{
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{in: "", withEmpty: 0, skipEmpty: 0},
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{in: "\n", withEmpty: 1, skipEmpty: 0},
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{in: "\n\n", withEmpty: 2, skipEmpty: 0},
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{in: "\n\n", withEmpty: 2, skipEmpty: 0},
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{in: " ", withEmpty: 1, skipEmpty: 1},
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{in: "one", withEmpty: 1, skipEmpty: 1},
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{in: "one\n", withEmpty: 1, skipEmpty: 1},
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{in: "\none\n", withEmpty: 2, skipEmpty: 1},
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{in: "one\ntwo", withEmpty: 2, skipEmpty: 2},
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{in: "one\ntwo\n", withEmpty: 2, skipEmpty: 2},
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{in: "one\ntwo\n ", withEmpty: 3, skipEmpty: 3},
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{in: "one\n\nthree", withEmpty: 3, skipEmpty: 2},
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{in: "one\n\nthree\n", withEmpty: 3, skipEmpty: 2},
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}
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require.Equal(t, -1, stringz.LineCount(nil, true))
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for i, tc := range testCases {
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tc := tc
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t.Run(tutil.Name(i, tc.in), func(t *testing.T) {
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count := stringz.LineCount(strings.NewReader(tc.in), false)
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require.Equal(t, tc.withEmpty, count)
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count = stringz.LineCount(strings.NewReader(tc.in), true)
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require.Equal(t, tc.skipEmpty, count)
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})
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}
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}
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func TestDoubleQuote(t *testing.T) {
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testCases := []struct {
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in string
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want string
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}{
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{in: ``, want: `""`},
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{in: `"hello"`, want: `"""hello"""`},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.in, func(t *testing.T) {
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got := stringz.DoubleQuote(tc.in)
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require.Equal(t, tc.want, got)
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})
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}
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}
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func TestStripDoubleQuote(t *testing.T) {
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testCases := []struct {
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in string
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want string
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}{
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{in: ``, want: ``},
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{in: `"`, want: `"`},
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{in: `""`, want: ``},
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{in: `"a`, want: `"a`},
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{in: `"a"`, want: `a`},
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{in: `"abc"`, want: `abc`},
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{in: `"hello "" world"`, want: `hello "" world`},
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}
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for i, tc := range testCases {
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tc := tc
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t.Run(tutil.Name(i, tc.in), func(t *testing.T) {
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got := stringz.StripDoubleQuote(tc.in)
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require.Equal(t, tc.want, got)
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})
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}
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}
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func TestBacktickQuote(t *testing.T) {
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testCases := []struct {
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in string
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want string
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}{
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{in: "", want: "``"},
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{in: "`world`", want: "```world```"},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.in, func(t *testing.T) {
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got := stringz.BacktickQuote(tc.in)
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require.Equal(t, tc.want, got)
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})
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}
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}
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func TestSingleQuote(t *testing.T) {
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testCases := []struct {
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in string
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want string
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}{
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{in: "", want: "''"},
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{in: "jessie's girl", want: "'jessie''s girl'"},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.in, func(t *testing.T) {
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got := stringz.SingleQuote(tc.in)
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require.Equal(t, tc.want, got)
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})
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}
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}
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func TestValidIdent(t *testing.T) {
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testCases := []struct {
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in string
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wantErr bool
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}{
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{in: "", wantErr: true},
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{in: "hello world", wantErr: true},
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{in: "hello", wantErr: false},
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{in: "1", wantErr: true},
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{in: "$hello", wantErr: true},
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{in: "_hello", wantErr: true},
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{in: "hello_", wantErr: false},
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{in: "Hello_", wantErr: false},
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{in: "Hello_1", wantErr: false},
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{in: "Hello_!!", wantErr: true},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tutil.Name(tc.in), func(t *testing.T) {
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gotErr := stringz.ValidIdent(tc.in)
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if tc.wantErr {
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require.Error(t, gotErr)
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} else {
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require.NoError(t, gotErr)
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}
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})
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}
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}
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func TestStrings(t *testing.T) {
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testCases := []struct {
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in []any
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want []any
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}{
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{
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in: nil,
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want: []any{},
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},
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{
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in: []any{"hello", 1, true},
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want: []any{"hello", "1", "true"},
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},
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}
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for i, tc := range testCases {
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tc := tc
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t.Run(tutil.Name(i, tc.in), func(t *testing.T) {
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got := stringz.Strings(tc.in)
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require.Len(t, got, len(tc.in))
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for j, v := range got {
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require.Equal(t, tc.want[j], v)
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}
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})
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}
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}
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func TestStringsD(t *testing.T) {
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testCases := []struct {
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in []any
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want []any
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}{
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{
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in: nil,
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want: []any{},
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},
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{
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in: []any{"hello", lo.ToPtr("hello"), 1, lo.ToPtr(1), true, lo.ToPtr(true)},
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want: []any{"hello", "hello", "1", "1", "true", "true"},
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},
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}
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for i, tc := range testCases {
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tc := tc
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t.Run(tutil.Name(i, tc.in), func(t *testing.T) {
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got := stringz.StringsD(tc.in)
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require.Len(t, got, len(tc.in))
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for j, v := range got {
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require.Equal(t, tc.want[j], v)
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}
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})
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}
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}
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func TestVisitLines(t *testing.T) {
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const input = `In Xanadu did
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Kubla Khan a stately
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pleasure dome decree.
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`
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const want = `1. In Xanadu did<<
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2. Kubla Khan a stately<<
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3. pleasure dome decree.<<
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4. <<`
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got := stringz.VisitLines(input, func(i int, line string) string {
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return strconv.Itoa(i+1) + ". " + line + "<<"
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})
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require.Equal(t, want, got)
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}
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func TestIndentLines(t *testing.T) {
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const input = `In Xanadu did
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Kubla Khan a stately
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pleasure dome decree.
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`
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const want = `__In Xanadu did
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__Kubla Khan a stately
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__pleasure dome decree.
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__`
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got := stringz.IndentLines(input, "__")
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require.Equal(t, got, want)
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}
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func TestTemplate(t *testing.T) {
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data := map[string]string{"Name": "wubble"}
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testCases := []struct {
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tpl string
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data any
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want string
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wantErr bool
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}{
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// "upper" is a sprig func. Verify that it loads.
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{"{{.Name | upper}}", data, "WUBBLE", false},
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{"{{not_a_func .Name}}_", data, "", true},
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}
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for i, tc := range testCases {
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tc := tc
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t.Run(tutil.Name(i, tc.tpl), func(t *testing.T) {
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got, gotErr := stringz.ExecuteTemplate(t.Name(), tc.tpl, tc.data)
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t.Logf("\nTPL: %s\nGOT: %s\nERR: %v", tc.tpl, got, gotErr)
|
|
if tc.wantErr {
|
|
require.Error(t, gotErr)
|
|
// Also test ValidTemplate while we're at it.
|
|
gotErr = stringz.ValidTemplate(t.Name(), tc.tpl)
|
|
require.Error(t, gotErr)
|
|
return
|
|
}
|
|
require.NoError(t, gotErr)
|
|
gotErr = stringz.ValidTemplate(t.Name(), tc.tpl)
|
|
require.NoError(t, gotErr)
|
|
|
|
require.Equal(t, tc.want, got)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestShellEscape(t *testing.T) {
|
|
testCases := []struct {
|
|
in string
|
|
want string
|
|
}{
|
|
{"", "''"},
|
|
{" ", `' '`},
|
|
{"huzzah", "huzzah"},
|
|
{"huz zah", `'huz zah'`},
|
|
{`huz ' zah`, `'huz '"'"' zah'`},
|
|
}
|
|
|
|
for i, tc := range testCases {
|
|
tc := tc
|
|
t.Run(tutil.Name(i, tc), func(t *testing.T) {
|
|
got := stringz.ShellEscape(tc.in)
|
|
require.Equal(t, tc.want, got)
|
|
})
|
|
}
|
|
}
|
|
|
|
// TestTrimLenMiddle tests TrimLenMiddle. It verifies that
|
|
// the function trims the middle of a string, leaving the
|
|
// start and end intact.
|
|
func TestTrimLenMiddle(t *testing.T) {
|
|
testCases := []struct {
|
|
input string
|
|
maxLen int
|
|
want string
|
|
}{
|
|
{input: "", maxLen: 0, want: ""},
|
|
{input: "", maxLen: 1, want: ""},
|
|
{input: "abc", maxLen: 2, want: "ac"},
|
|
{input: "abcdefghijk", maxLen: 2, want: "ak"},
|
|
{input: "abcdefghijk", maxLen: 3, want: "a.k"},
|
|
{input: "abcdefghijk", maxLen: 4, want: "a..k"},
|
|
{input: "abcdefghijk", maxLen: 5, want: "a...k"},
|
|
{input: "abcdefghijk", maxLen: 6, want: "a...k"},
|
|
{input: "abcdefghijk", maxLen: 7, want: "ab...jk"},
|
|
{input: "abcdefghijk", maxLen: 8, want: "ab...jk"},
|
|
{input: "abcdefghijk", maxLen: 9, want: "abc...ijk"},
|
|
}
|
|
|
|
for i, tc := range testCases {
|
|
tc := tc
|
|
t.Run(tutil.Name(i, tc.input, tc.maxLen), func(t *testing.T) {
|
|
got := stringz.TrimLenMiddle(tc.input, tc.maxLen)
|
|
require.True(t, len(got) <= tc.maxLen)
|
|
require.Equal(t, tc.want, got)
|
|
})
|
|
}
|
|
}
|
|
|
|
// TestDecimal tests FormatDecimal, DecimalPlaces, and DecimalFloatOK.
|
|
// The FormatDecimal tests verifies that the function formats a decimal
|
|
// value as expected, especially that the number of decimal places matches
|
|
// the exponent of the decimal value.
|
|
func TestDecimal(t *testing.T) {
|
|
testCases := []struct {
|
|
in decimal.Decimal
|
|
wantStr string
|
|
wantPlaces int32
|
|
wantFloatOK bool
|
|
}{
|
|
{in: decimal.New(0, 0), wantStr: "0", wantPlaces: 0, wantFloatOK: true},
|
|
{in: decimal.New(0, -1), wantStr: "0.0", wantPlaces: 1, wantFloatOK: true},
|
|
{in: decimal.New(0, -2), wantStr: "0.00", wantPlaces: 2, wantFloatOK: true},
|
|
{in: decimal.New(0, 2), wantStr: "0", wantPlaces: 0, wantFloatOK: true},
|
|
{in: decimal.NewFromFloat(1.1), wantStr: "1.1", wantPlaces: 1, wantFloatOK: true},
|
|
{in: decimal.New(100, -2), wantStr: "1.00", wantPlaces: 2, wantFloatOK: true},
|
|
{in: decimal.New(10000, -4), wantStr: "1.0000", wantPlaces: 4, wantFloatOK: true},
|
|
}
|
|
|
|
for i, tc := range testCases {
|
|
tc := tc
|
|
t.Run(tutil.Name(i, tc.in, tc.wantStr), func(t *testing.T) {
|
|
gotStr := stringz.FormatDecimal(tc.in)
|
|
require.Equal(t, tc.wantStr, gotStr)
|
|
gotPlaces := stringz.DecimalPlaces(tc.in)
|
|
require.Equal(t, tc.wantPlaces, gotPlaces)
|
|
gotFloatOK := stringz.DecimalFloatOK(tc.in)
|
|
require.Equal(t, tc.wantFloatOK, gotFloatOK)
|
|
})
|
|
}
|
|
}
|