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package tests
import (
"bytes"
"github.com/olekukonko/tablewriter"
"github.com/olekukonko/tablewriter/renderer"
"github.com/olekukonko/tablewriter/tw"
"testing"
)
func TestFilterMasking(t *testing.T) {
tests := []struct {
name string
filter tw.Filter
data [][]string
expected string
}{
{
name: "MaskEmail",
filter: MaskEmail,
data: [][]string{
{"Alice", "alice@example.com", "25"},
{"Bob", "bob.test@domain.org", "30"},
},
expected: `
┌───────┬─────────────────────┬─────┐
│ NAME │ EMAIL │ AGE │
├───────┼─────────────────────┼─────┤
│ Alice │ a****@example.com │ 25 │
│ Bob │ b*******@domain.org │ 30 │
└───────┴─────────────────────┴─────┘
`,
},
{
name: "MaskPassword",
filter: MaskPassword,
data: [][]string{
{"Alice", "secretpassword", "25"},
{"Bob", "pass1234", "30"},
},
expected: `
┌───────┬────────────────┬─────┐
│ NAME │ PASSWORD │ AGE │
├───────┼────────────────┼─────┤
│ Alice │ ************** │ 25 │
│ Bob │ ******** │ 30 │
└───────┴────────────────┴─────┘
`,
},
{
name: "MaskCard",
filter: MaskCard,
data: [][]string{
{"Alice", "4111-1111-1111-1111", "25"},
{"Bob", "5105105105105100", "30"},
},
expected: `
┌───────┬─────────────────────┬─────┐
│ NAME │ CREDIT CARD │ AGE │
├───────┼─────────────────────┼─────┤
│ Alice │ ****-****-****-1111 │ 25 │
│ Bob │ 5105105105105100 │ 30 │
└───────┴─────────────────────┴─────┘
`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var buf bytes.Buffer
table := tablewriter.NewTable(&buf, tablewriter.WithConfig(tablewriter.Config{
Header: tw.CellConfig{
Formatting: tw.CellFormatting{AutoFormat: tw.On},
Alignment: tw.CellAlignment{Global: tw.AlignCenter},
Padding: tw.CellPadding{Global: tw.Padding{Left: " ", Right: " "}},
},
Row: tw.CellConfig{
Alignment: tw.CellAlignment{Global: tw.AlignLeft},
Padding: tw.CellPadding{Global: tw.Padding{Left: " ", Right: " "}},
Filter: tw.CellFilter{
Global: tt.filter,
},
},
}))
header := []string{"Name", tt.name, "Age"}
if tt.name == "MaskEmail" {
header[1] = "Email"
} else if tt.name == "MaskPassword" {
header[1] = "Password"
} else if tt.name == "MaskCard" {
header[1] = "Credit Card"
}
table.Header(header)
table.Bulk(tt.data)
table.Render()
visualCheck(t, tt.name, buf.String(), tt.expected)
})
}
}
func TestMasterClass(t *testing.T) {
var buf bytes.Buffer
littleConfig := tablewriter.Config{
MaxWidth: 30,
Row: tw.CellConfig{
Alignment: tw.CellAlignment{Global: tw.AlignCenter},
Padding: tw.CellPadding{
Global: tw.Padding{Left: tw.Skip, Right: tw.Skip, Top: tw.Skip, Bottom: tw.Skip},
},
},
}
bigConfig := tablewriter.Config{
MaxWidth: 50,
Header: tw.CellConfig{Formatting: tw.CellFormatting{
AutoWrap: tw.WrapTruncate,
}},
Row: tw.CellConfig{
Alignment: tw.CellAlignment{Global: tw.AlignCenter},
Padding: tw.CellPadding{
Global: tw.Padding{Left: tw.Skip, Right: tw.Skip, Top: tw.Skip, Bottom: tw.Skip},
},
},
}
little := func(s string) string {
var b bytes.Buffer
table := tablewriter.NewTable(&b,
tablewriter.WithConfig(littleConfig),
tablewriter.WithRenderer(renderer.NewBlueprint(tw.Rendition{
Borders: tw.BorderNone,
Settings: tw.Settings{
Separators: tw.Separators{
ShowHeader: tw.Off,
ShowFooter: tw.Off,
BetweenRows: tw.On,
BetweenColumns: tw.Off,
},
Lines: tw.Lines{
ShowTop: tw.Off,
ShowBottom: tw.Off,
ShowHeaderLine: tw.Off,
ShowFooterLine: tw.On,
},
},
})),
)
table.Append([]string{s, s})
table.Append([]string{s, s})
table.Render()
return b.String()
}
table := tablewriter.NewTable(&buf,
tablewriter.WithConfig(bigConfig),
tablewriter.WithDebug(true),
tablewriter.WithRenderer(renderer.NewBlueprint(tw.Rendition{
Borders: tw.BorderNone,
Settings: tw.Settings{
Separators: tw.Separators{
ShowHeader: tw.Off,
ShowFooter: tw.Off,
BetweenRows: tw.Off,
BetweenColumns: tw.On,
},
Lines: tw.Lines{
ShowTop: tw.Off,
ShowBottom: tw.Off,
ShowHeaderLine: tw.Off,
ShowFooterLine: tw.Off,
},
},
})),
)
table.Append([]string{little("A"), little("B")})
table.Append([]string{little("C"), little("D")})
table.Render()
expected := `
A A │ B B
────── │ ──────
A A │ B B
C C │ D D
────── │ ──────
C C │ D D
`
visualCheck(t, "Master Class", buf.String(), expected)
}
func TestConfigAutoHideDefault(t *testing.T) {
var buf bytes.Buffer
table := tablewriter.NewTable(&buf)
// Use the new exported Config() method
cfg := table.Config()
if cfg.Behavior.AutoHide.Enabled() {
t.Errorf("Expected AutoHide default to be false, got true")
}
}
func TestAutoHideFeature(t *testing.T) {
data := [][]string{
{"A", "The Good", ""}, // Rating is empty
{"B", "The Bad", " "}, // Rating is whitespace
{"C", "The Ugly", " "}, // Rating is whitespace
{"D", "The Gopher", ""}, // Rating is empty
// Add a row where Rating is NOT empty to test the opposite case
{"E", "The Tester", "999"},
}
// Test Case 1: Hide Empty Column
t.Run("HideWhenEmpty", func(t *testing.T) {
var buf bytes.Buffer
table := tablewriter.NewTable(&buf,
tablewriter.WithAutoHide(tw.On), // Enable the feature
tablewriter.WithDebug(false),
)
table.Header([]string{"Name", "Sign", "Rating"}) // Header IS included
// Use only data where the last column IS empty
emptyData := [][]string{
{"A", "The Good", ""},
{"B", "The Bad", " "},
{"C", "The Ugly", " "},
{"D", "The Gopher", ""},
}
for _, v := range emptyData {
table.Append(v)
}
table.Render()
// Expected output: Rating column should be completely gone
expected := `
┌──────┬────────────┐
│ NAME │ SIGN │
├──────┼────────────┤
│ A │ The Good │
│ B │ The Bad │
│ C │ The Ugly │
│ D │ The Gopher │
└──────┴────────────┘
`
// Use visualCheck, expect it might fail initially if Blueprint isn't perfect yet
if !visualCheck(t, "AutoHide_HideWhenEmpty", buf.String(), expected) {
t.Log("Output for HideWhenEmpty was not as expected (might be OK if Blueprint needs more fixes):")
t.Error(buf.String())
// Log debug info if helpful
// for _, v := range table.Debug() {
// t.Log(v)
// }
}
})
// Test Case 2: Show Column When Not Empty
t.Run("ShowWhenNotEmpty", func(t *testing.T) {
var buf bytes.Buffer
table := tablewriter.NewTable(&buf,
tablewriter.WithAutoHide(tw.On), // Feature enabled
// tablewriter.WithRenderer(renderer.NewBlueprint()),
)
table.Header([]string{"Name", "Sign", "Rating"})
// Use data where at least one row has content in the last column
for _, v := range data { // Use the original data mix
table.Append(v)
}
table.Render()
// Expected output: Rating column should be present because row "E" has content
expected := `
┌──────┬────────────┬────────┐
│ NAME │ SIGN │ RATING │
├──────┼────────────┼────────┤
│ A │ The Good │ │
│ B │ The Bad │ │
│ C │ The Ugly │ │
│ D │ The Gopher │ │
│ E │ The Tester │ 999 │
└──────┴────────────┴────────┘
`
if !visualCheck(t, "AutoHide_ShowWhenNotEmpty", buf.String(), expected) {
t.Log("Output for ShowWhenNotEmpty was not as expected (might be OK if Blueprint needs more fixes):")
t.Log(buf.String())
// Log debug info if helpful
// for _, v := range table.Debug() {
// t.Log(v)
// }
}
})
// Test Case 3: Feature Disabled
t.Run("DisabledShowsEmpty", func(t *testing.T) {
var buf bytes.Buffer
table := tablewriter.NewTable(&buf,
tablewriter.WithAutoHide(tw.Off), // Feature explicitly disabled
// tablewriter.WithRenderer(renderer.NewBlueprint()),
)
table.Header([]string{"Name", "Sign", "Rating"})
// Use only data where the last column IS empty
emptyData := [][]string{
{"A", "The Good", ""},
{"B", "The Bad", " "},
{"C", "The Ugly", " "},
{"D", "The Gopher", ""},
}
for _, v := range emptyData {
table.Append(v)
}
table.Render()
// Expected output: Rating column should be present but empty
expected := `
┌──────┬────────────┬────────┐
│ NAME │ SIGN │ RATING │
├──────┼────────────┼────────┤
│ A │ The Good │ │
│ B │ The Bad │ │
│ C │ The Ugly │ │
│ D │ The Gopher │ │
└──────┴────────────┴────────┘
`
// This one should ideally PASS if the default behavior is preserved
if !visualCheck(t, "AutoHide_DisabledShowsEmpty", buf.String(), expected) {
t.Errorf("AutoHide disabled test failed!")
t.Log(buf.String())
// Log debug info if helpful
// for _, v := range table.Debug() {
// t.Log(v)
// }
}
})
}
func TestEmojiTable(t *testing.T) {
var buf bytes.Buffer
table := tablewriter.NewTable(&buf)
table.Header([]string{"Name 😺", "Age 🎂", "City 🌍"})
data := [][]string{
{"Alice 😊", "25", "New York 🌆"},
{"Bob 😎", "30", "Boston 🏙️"},
{"Charlie 🤓", "28", "Tokyo 🗼"},
}
table.Bulk(data)
table.Footer([]string{"", "Total 👥", "3"})
table.Configure(func(config *tablewriter.Config) {
config.Row.Alignment.Global = tw.AlignLeft
config.Footer.Alignment.Global = tw.AlignRight
})
table.Render()
expected := `
┌────────────┬──────────┬─────────────┐
│ NAME 😺 │ AGE 🎂 │ CITY 🌍 │
├────────────┼──────────┼─────────────┤
│ Alice 😊 │ 25 │ New York 🌆 │
│ Bob 😎 │ 30 │ Boston 🏙️ │
│ Charlie 🤓 │ 28 │ Tokyo 🗼 │
├────────────┼──────────┼─────────────┤
│ │ Total 👥 │ 3 │
└────────────┴──────────┴─────────────┘
`
if !visualCheck(t, "EmojiTable", buf.String(), expected) {
t.Error(table.Debug())
}
}
func TestUnicodeTableDefault(t *testing.T) {
var buf bytes.Buffer
table := tablewriter.NewTable(&buf)
table.Header([]string{"Name", "Age", "City"})
table.Append([]string{"Alice", "25", "New York"})
table.Append([]string{"Bøb", "30", "Tōkyō"}) // Contains ø and ō
table.Append([]string{"José", "28", "México"}) // Contains é and accented e (e + combining acute)
table.Append([]string{"张三", "35", "北京"}) // Chinese characters
table.Append([]string{"अनु", "40", "मुंबई"}) // Devanagari script
table.Render()
expected := `
┌───────┬─────┬──────────┐
│ NAME │ AGE │ CITY │
├───────┼─────┼──────────┤
│ Alice │ 25 │ New York │
│ Bøb │ 30 │ Tōkyō │
│ José │ 28 │ México │
│ 张三 │ 35 │ 北京 │
│ अनु │ 40 │ मुंबई │
└───────┴─────┴──────────┘
`
visualCheck(t, "UnicodeTableRendering", buf.String(), expected)
}
func TestSpaces(t *testing.T) {
var buf bytes.Buffer
var data = [][]string{
{"No", "Age", " City"},
{" 1", "25", "New York"},
{"2", "30", "x"},
{" 3", "28", " Lagos"},
}
t.Run("Trim", func(t *testing.T) {
buf.Reset()
table := tablewriter.NewTable(&buf, tablewriter.WithDebug(false), tablewriter.WithTrimSpace(tw.On))
table.Header(data[0])
table.Bulk(data[1:])
table.Render()
expected := `
┌────┬─────┬──────────┐
│ NO │ AGE │ CITY │
├────┼─────┼──────────┤
│ 1 │ 25 │ New York │
│ 2 │ 30 │ x │
│ 3 │ 28 │ Lagos │
└────┴─────┴──────────┘
`
if !visualCheck(t, "UnicodeTableRendering", buf.String(), expected) {
t.Log(table.Debug())
}
})
t.Run("NoTrim", func(t *testing.T) {
buf.Reset()
table := tablewriter.NewTable(&buf, tablewriter.WithTrimSpace(tw.Off))
table.Header(data[0])
table.Bulk(data[1:])
table.Render()
expected := `
┌──────────┬─────┬────────────┐
│ NO │ AGE │ CITY │
├──────────┼─────┼────────────┤
│ 1 │ 25 │ New York │
│ 2 │ 30 │ x │
│ 3 │ 28 │ Lagos │
└──────────┴─────┴────────────┘
`
visualCheck(t, "UnicodeTableRendering", buf.String(), expected)
})
}
func TestControl(t *testing.T) {
var buf bytes.Buffer
var data = [][]string{
{"No", "Age", " City"},
{" 1", "25", "New York"},
{"2", "30", "x"},
{" 3", "28", " Lagos"},
}
t.Run("Trim", func(t *testing.T) {
buf.Reset()
table := tablewriter.NewTable(&buf,
tablewriter.WithDebug(false),
tablewriter.WithTrimSpace(tw.On),
tablewriter.WithHeaderControl(tw.Control{Hide: tw.On}),
)
table.Header(data[0])
table.Bulk(data[1:])
table.Render()
expected := `
┌───┬────┬──────────┐
│ 1 │ 25 │ New York │
│ 2 │ 30 │ x │
│ 3 │ 28 │ Lagos │
└───┴────┴──────────┘
`
if !visualCheck(t, "UnicodeTableRendering", buf.String(), expected) {
t.Log(table.Debug())
}
})
t.Run("NoTrim", func(t *testing.T) {
buf.Reset()
table := tablewriter.NewTable(&buf,
tablewriter.WithTrimSpace(tw.On),
tablewriter.WithHeaderControl(tw.Control{Hide: tw.Off}),
)
table.Header(data[0])
table.Bulk(data[1:])
table.Render()
expected := `
┌────┬─────┬──────────┐
│ NO │ AGE │ CITY │
├────┼─────┼──────────┤
│ 1 │ 25 │ New York │
│ 2 │ 30 │ x │
│ 3 │ 28 │ Lagos │
└────┴─────┴──────────┘
`
visualCheck(t, "UnicodeTableRendering", buf.String(), expected)
})
}
|
