test: update + add tests

parser_test.go

@@ -0,0 +1,96 @@
+package main
+
+import "testing"
+
+func TestParseDepth(t *testing.T) {
+	tests := []struct {
+		line       string
+		indentSize int
+		expected   int
+	}{
+		{"    node", 4, 1},
+		{"        node", 4, 2},
+		{"node", 4, 0},
+		{"\tnode", 0, 1},
+	}
+
+	for _, test := range tests {
+		result := parseDepth(test.line, test.indentSize)
+		if result != test.expected {
+			t.Errorf("parseDepth(%q, %d)\n actual = %d\nwant   = %d", test.line, test.indentSize, result, test.expected)
+		}
+	}
+}
+
+func TestParseInput(t *testing.T) {
+	input := "root\n    child1\n    child2\n        grandchild1\n"
+	root := parseInput(input)
+
+	if root.name != "." {
+		t.Errorf("Expected root name to be '.', got %s", root.name)
+	}
+
+	if len(root.children) != 1 {
+		t.Fatalf("Expected root to have 1 child, got %d", len(root.children))
+	}
+
+	child1 := root.children[0]
+	if child1.name != "root" {
+		t.Errorf("Expected child1 name to be 'root', got %s", child1.name)
+	}
+
+	if len(child1.children) != 2 {
+		t.Fatalf("Expected child1 to have 2 children, got %d", len(child1.children))
+	}
+
+	grandchild1 := child1.children[1].children[0]
+	if grandchild1.name != "grandchild1" {
+		t.Errorf("Expected grandchild1 name to be 'grandchild1', got %s", grandchild1.name)
+	}
+}
+
+func TestGetAsciiLine(t *testing.T) {
+	root := &Node{name: ".", depth: 0, children: []*Node{}, parent: nil}
+	child := &Node{name: "child", depth: 1, children: []*Node{}, parent: root}
+	root.children = append(root.children, child)
+	opts := Options{rootDot: true}
+
+	result := getTreeLine(child, &opts)
+	expected := "└── child"
+	if result != expected {
+		t.Errorf("getTreeLine()\n actual = %q\nwant   = %q", result, expected)
+	}
+}
+
+func TestGetName(t *testing.T) {
+	node := &Node{name: "node", depth: 0, children: []*Node{}, parent: nil}
+	opts := Options{trailingSlash: true}
+
+	result := getName(node, &opts)
+	expected := "node"
+	if result != expected {
+		t.Errorf("getName()\n actual = %q\nwant   = %q", result, expected)
+	}
+
+	node.children = append(node.children, &Node{name: "child", depth: 1, children: []*Node{}, parent: node})
+	result = getName(node, &opts)
+	expected = "node/"
+	if result != expected {
+		t.Errorf("getName()\n actual = %q\nwant   = %q", result, expected)
+	}
+}
+
+func TestIsLastChild(t *testing.T) {
+	root := &Node{name: ".", depth: 0, children: []*Node{}, parent: nil}
+	child1 := &Node{name: "child1", depth: 1, children: []*Node{}, parent: root}
+	child2 := &Node{name: "child2", depth: 1, children: []*Node{}, parent: root}
+	root.children = append(root.children, child1, child2)
+
+	if isLastChild(child1) {
+		t.Errorf("Expected child1 to not be the last child")
+	}
+
+	if !isLastChild(child2) {
+		t.Errorf("Expected child2 to be the last child")
+	}
+}

test_files/snapshots/test_1_snapshot.txt

@@ -0,0 +1,7 @@
+.
+└── a
+    ├── b
+    │   └── c
+    └── d
+        ├── e
+        └── f

test_files/snapshots/test_1_snapshot_ascii.txt

@@ -0,0 +1,7 @@
+.
+`-- a
+    |-- b
+    |   `-- c
+    `-- d
+        |-- e
+        `-- f

test_files/snapshots/test_1_snapshot_full_path.txt

@@ -0,0 +1,7 @@
+.
+└── ./a
+    ├── ./a/b
+    │   └── ./a/b/c
+    └── ./a/d
+        ├── ./a/d/e
+        └── ./a/d/f

test_files/snapshots/test_1_snapshot_no_root.txt

@@ -0,0 +1,6 @@
+a
+├── b
+│   └── c
+└── d
+    ├── e
+    └── f

test_files/snapshots/test_1_snapshot_trailing_slash.txt

@@ -0,0 +1,7 @@
+.
+└── a/
+    ├── b/
+    │   └── c
+    └── d/
+        ├── e
+        └── f

test_files/snapshots/test_2_snapshot.txt

@@ -0,0 +1,7 @@
+.
+└── SceneBase (Node2D)
+    ├── GroundLayer (TileMapLayer)
+    │   ├── Player (CharacterBody2D)
+    │   └── Enemy (CharacterBody2D)
+    ├── Trees (TileMapLayer)
+    └── Rocks (TileMapLayer)

test_files/snapshots/test_2_snapshot_ascii.txt

@@ -0,0 +1,7 @@
+.
+`-- SceneBase (Node2D)
+    |-- GroundLayer (TileMapLayer)
+    |   |-- Player (CharacterBody2D)
+    |   `-- Enemy (CharacterBody2D)
+    |-- Trees (TileMapLayer)
+    `-- Rocks (TileMapLayer)

test_files/snapshots/test_2_snapshot_full_path.txt

@@ -0,0 +1,7 @@
+.
+└── ./SceneBase (Node2D)
+    ├── ./SceneBase (Node2D)/GroundLayer (TileMapLayer)
+    │   ├── ./SceneBase (Node2D)/GroundLayer (TileMapLayer)/Player (CharacterBody2D)
+    │   └── ./SceneBase (Node2D)/GroundLayer (TileMapLayer)/Enemy (CharacterBody2D)
+    ├── ./SceneBase (Node2D)/Trees (TileMapLayer)
+    └── ./SceneBase (Node2D)/Rocks (TileMapLayer)

test_files/snapshots/test_2_snapshot_no_root.txt

@@ -0,0 +1,6 @@
+SceneBase (Node2D)
+├── GroundLayer (TileMapLayer)
+│   ├── Player (CharacterBody2D)
+│   └── Enemy (CharacterBody2D)
+├── Trees (TileMapLayer)
+└── Rocks (TileMapLayer)

test_files/snapshots/test_2_snapshot_trailing_slash.txt

@@ -0,0 +1,7 @@
+.
+└── SceneBase (Node2D)/
+    ├── GroundLayer (TileMapLayer)/
+    │   ├── Player (CharacterBody2D)
+    │   └── Enemy (CharacterBody2D)
+    ├── Trees (TileMapLayer)
+    └── Rocks (TileMapLayer)

test_files/snapshots/test_3_snapshot.txt

@@ -0,0 +1,8 @@
+.
+└── .
+    └── SceneBase (Node2D)
+        ├── GroundLayer (TileMapLayer)
+        │   ├── Player (CharacterBody2D)
+        │   └── Enemy (CharacterBody2D)
+        ├── Trees (TileMapLayer)
+        └── Rocks (TileMapLayer)

test_files/snapshots/test_3_snapshot_ascii.txt

@@ -0,0 +1,8 @@
+.
+`-- .
+    `-- SceneBase (Node2D)
+        |-- GroundLayer (TileMapLayer)
+        |   |-- Player (CharacterBody2D)
+        |   `-- Enemy (CharacterBody2D)
+        |-- Trees (TileMapLayer)
+        `-- Rocks (TileMapLayer)

test_files/snapshots/test_3_snapshot_full_path.txt

@@ -0,0 +1,8 @@
+.
+└── ./.
+    └── ././SceneBase (Node2D)
+        ├── ././SceneBase (Node2D)/GroundLayer (TileMapLayer)
+        │   ├── ././SceneBase (Node2D)/GroundLayer (TileMapLayer)/Player (CharacterBody2D)
+        │   └── ././SceneBase (Node2D)/GroundLayer (TileMapLayer)/Enemy (CharacterBody2D)
+        ├── ././SceneBase (Node2D)/Trees (TileMapLayer)
+        └── ././SceneBase (Node2D)/Rocks (TileMapLayer)

test_files/snapshots/test_3_snapshot_no_root.txt

@@ -0,0 +1,7 @@
+.
+└── SceneBase (Node2D)
+    ├── GroundLayer (TileMapLayer)
+    │   ├── Player (CharacterBody2D)
+    │   └── Enemy (CharacterBody2D)
+    ├── Trees (TileMapLayer)
+    └── Rocks (TileMapLayer)

test_files/snapshots/test_3_snapshot_trailing_slash.txt

@@ -0,0 +1,8 @@
+.
+└── ./
+    └── SceneBase (Node2D)/
+        ├── GroundLayer (TileMapLayer)/
+        │   ├── Player (CharacterBody2D)
+        │   └── Enemy (CharacterBody2D)
+        ├── Trees (TileMapLayer)
+        └── Rocks (TileMapLayer)

test_files/snapshots/test_4_snapshot.txt

@@ -0,0 +1,11 @@
+.
+└── usr
+    ├── local
+    ├── bin
+    │   ├── sh
+    │   ├── bash
+    │   ├── zsh
+    │   └── fish
+    └── sbin
+        ├── sysctl
+        └── tcpdump

test_files/snapshots/test_4_snapshot_ascii.txt

@@ -0,0 +1,11 @@
+.
+`-- usr
+    |-- local
+    |-- bin
+    |   |-- sh
+    |   |-- bash
+    |   |-- zsh
+    |   `-- fish
+    `-- sbin
+        |-- sysctl
+        `-- tcpdump

test_files/snapshots/test_4_snapshot_full_path.txt

@@ -0,0 +1,11 @@
+.
+└── ./usr
+    ├── ./usr/local
+    ├── ./usr/bin
+    │   ├── ./usr/bin/sh
+    │   ├── ./usr/bin/bash
+    │   ├── ./usr/bin/zsh
+    │   └── ./usr/bin/fish
+    └── ./usr/sbin
+        ├── ./usr/sbin/sysctl
+        └── ./usr/sbin/tcpdump

test_files/snapshots/test_4_snapshot_no_root.txt

@@ -0,0 +1,10 @@
+usr
+├── local
+├── bin
+│   ├── sh
+│   ├── bash
+│   ├── zsh
+│   └── fish
+└── sbin
+    ├── sysctl
+    └── tcpdump

test_files/snapshots/test_4_snapshot_trailing_slash.txt

@@ -0,0 +1,11 @@
+.
+└── usr/
+    ├── local
+    ├── bin/
+    │   ├── sh
+    │   ├── bash
+    │   ├── zsh
+    │   └── fish
+    └── sbin/
+        ├── sysctl
+        └── tcpdump

test_files/snapshots/test_5_snapshot.txt

@@ -0,0 +1,9 @@
+.
+├── I
+│   └── am
+│       └── a
+│           └── superhero!
+├── a
+│   └── what?
+└── a
+    └── superhero!

test_files/snapshots/test_5_snapshot_ascii.txt

@@ -0,0 +1,9 @@
+.
+|-- I
+|   `-- am
+|       `-- a
+|           `-- superhero!
+|-- a
+|   `-- what?
+`-- a
+    `-- superhero!

test_files/snapshots/test_5_snapshot_full_path.txt

@@ -0,0 +1,9 @@
+.
+├── ./I
+│   └── ./I/am
+│       └── ./I/am/a
+│           └── ./I/am/a/superhero!
+├── ./a
+│   └── ./a/what?
+└── ./a
+    └── ./a/superhero!

test_files/snapshots/test_5_snapshot_no_root.txt

@@ -0,0 +1,8 @@
+I
+└── am
+    └── a
+        └── superhero!
+a
+└── what?
+a
+└── superhero!

test_files/snapshots/test_5_snapshot_trailing_slash.txt

@@ -0,0 +1,9 @@
+.
+├── I/
+│   └── am/
+│       └── a/
+│           └── superhero!
+├── a/
+│   └── what?
+└── a/
+    └── superhero!

test_files/snapshots/test_6_snapshot.txt

@@ -0,0 +1,9 @@
+.
+├── I
+│   └── am
+│       └── a
+│           └── superhero!
+├── a
+│   └── what?
+└── a
+    └── superhero!

test_files/snapshots/test_6_snapshot_ascii.txt

@@ -0,0 +1,9 @@
+.
+|-- I
+|   `-- am
+|       `-- a
+|           `-- superhero!
+|-- a
+|   `-- what?
+`-- a
+    `-- superhero!

test_files/snapshots/test_6_snapshot_full_path.txt

@@ -0,0 +1,9 @@
+.
+├── ./I
+│   └── ./I/am
+│       └── ./I/am/a
+│           └── ./I/am/a/superhero!
+├── ./a
+│   └── ./a/what?
+└── ./a
+    └── ./a/superhero!

test_files/snapshots/test_6_snapshot_no_root.txt

@@ -0,0 +1,8 @@
+I
+└── am
+    └── a
+        └── superhero!
+a
+└── what?
+a
+└── superhero!

test_files/snapshots/test_6_snapshot_trailing_slash.txt

@@ -0,0 +1,9 @@
+.
+├── I/
+│   └── am/
+│       └── a/
+│           └── superhero!
+├── a/
+│   └── what?
+└── a/
+    └── superhero!

test_files/src/test_1.txt

@@ -0,0 +1,6 @@
+a
+  b
+    c
+  d
+    e
+    f

test_files/src/test_2.txt

@@ -0,0 +1,6 @@
+SceneBase (Node2D)
+  GroundLayer (TileMapLayer)
+    Player (CharacterBody2D)
+    Enemy (CharacterBody2D)
+  Trees (TileMapLayer)
+  Rocks (TileMapLayer)

test_files/src/test_3.txt

@@ -0,0 +1,7 @@
+.
+  SceneBase (Node2D)
+    GroundLayer (TileMapLayer)
+      Player (CharacterBody2D)
+      Enemy (CharacterBody2D)
+    Trees (TileMapLayer)
+    Rocks (TileMapLayer)

test_files/src/test_4.txt

@@ -0,0 +1,11 @@
+usr
+  local
+  bin
+    sh
+    bash
+    zsh
+    fish
+  sbin
+    sysctl
+    tcpdump
+

test_files/src/test_5.txt

@@ -0,0 +1,8 @@
+I
+ am
+  a
+   superhero!
+a
+ what?
+a
+ superhero!

test_files/src/test_6.txt

@@ -0,0 +1,8 @@
+I
+ am
+  a
+   superhero!
+a
+ what?
+a
+ superhero!

tree_test.go

@@ -0,0 +1,155 @@
+package main
+
+import (
+	"os"
+	"strings"
+	"testing"
+)
+
+func TestDescribeTree(t *testing.T) {
+	input := "root\n    child1\n    child2\n        grandchild1\n"
+	root := parseInput(input)
+	opts := Options{rootDot: true}
+	result := describeTree(root, &opts)
+
+	expected := ".\n└── root\n    ├── child1\n    └── child2\n        └── grandchild1"
+	if result != expected {
+		t.Errorf("describeTree()\n actual = %q\nwant   = %q", result, expected)
+	}
+}
+
+func TestRemovePrefix(t *testing.T) {
+	opts := Options{false, "", strings.Builder{}, "utf-8", false, false, true}
+	CHILD, LAST_CHILD, DIRECTORY, EMPTY := getPrefixes(&opts)
+
+	tests := []struct {
+		str      string
+		expected string
+	}{
+		{CHILD + "node", "node"},
+		{LAST_CHILD + "node", "node"},
+		{DIRECTORY + "node", "node"},
+		{EMPTY + "node", "node"},
+	}
+
+	for _, test := range tests {
+		result := removePrefix(test.str, &opts)
+		if result != test.expected {
+			t.Errorf("removePrefix(%q)\n actual = %q\nwant   = %q", test.str, result, test.expected)
+		}
+	}
+}
+func TestGetPrefixes(t *testing.T) {
+	tests := []struct {
+		charset           string
+		expectedChild     string
+		expectedLastChild string
+		expectedDirectory string
+		expectedEmpty     string
+	}{
+		{"utf-8", UTF8_CHILD, UTF8_LAST_CHILD, UTF8_DIRECTORY, UTF8_EMPTY},
+		{"ascii", ASCII_CHILD, ASCII_LAST_CHILD, ASCII_DIRECTORY, ASCII_EMPTY},
+	}
+
+	for _, test := range tests {
+		opts := &Options{charset: test.charset}
+		child, lastChild, directory, empty := getPrefixes(opts)
+		if child != test.expectedChild {
+			t.Errorf("For charset %s, expected child prefix %s, but got %s", test.charset, test.expectedChild, child)
+		}
+		if lastChild != test.expectedLastChild {
+			t.Errorf("For charset %s, expected last child prefix %s, but got %s", test.charset, test.expectedLastChild, lastChild)
+		}
+		if directory != test.expectedDirectory {
+			t.Errorf("For charset %s, expected directory prefix %s, but got %s", test.charset, test.expectedDirectory, directory)
+		}
+		if empty != test.expectedEmpty {
+			t.Errorf("For charset %s, expected empty prefix %s, but got %s", test.charset, test.expectedEmpty, empty)
+		}
+	}
+}
+
+func TestMultiRoot(t *testing.T) {
+	input := "I\n am\n  a\n   superhero!\na\n what?\na\n superhero!\n"
+	root := parseInput(input)
+	opts := Options{rootDot: true}
+	result := describeTree(root, &opts)
+	expected := ".\n├── I\n│   └── am\n│       └── a\n│           └── superhero!\n├── a\n│   └── what?\n└── a\n    └── superhero!"
+	if result != expected {
+		t.Errorf("describeTree()\n actual = %q\nwant   = %q", result, expected)
+	}
+}
+
+func TestWinNewLines(t *testing.T) {
+	input := "root\r\n    child1\r\n    child2\r\n        grandchild1\r\n"
+	root := parseInput(input)
+	opts := Options{rootDot: true}
+	result := describeTree(root, &opts)
+	expected := ".\n└── root\n    ├── child1\n    └── child2\n        └── grandchild1"
+	if result != expected {
+		t.Errorf("describeTree()\n actual = %q\nwant   = %q", result, expected)
+	}
+}
+
+func TestSnapshots(t *testing.T) {
+	// list all files in test_files/src
+	// cwd := os.Getenv("PWD")
+	dirPath := strings.Join([]string{"test_files", "src"}, string(os.PathSeparator))
+
+	dir, err := os.Open(dirPath)
+
+	if err != nil {
+		t.Errorf("Error opening directory: %v", err)
+	}
+
+	entries, err := dir.Readdir(-1)
+	if err != nil {
+		t.Errorf("Error reading directory: %v", err)
+	}
+
+	defer dir.Close()
+
+	for _, entry := range entries {
+		if entry.IsDir() {
+			continue
+		}
+
+		t.Logf("Testing %s", entry.Name())
+
+		tests := make(map[string]*Options)
+
+		// &Options{fromStdin, fromFile, extra, charset, trailingSlash, fullPath, rootDot}
+
+		tests[""] = &Options{false, "", strings.Builder{}, "utf-8", false, false, true}
+		tests["_ascii"] = &Options{false, "", strings.Builder{}, "ascii", false, false, true}
+		tests["_full_path"] = &Options{false, "", strings.Builder{}, "utf-8", false, true, true}
+		tests["_no_root"] = &Options{false, "", strings.Builder{}, "utf-8", false, false, false}
+		tests["_trailing_slash"] = &Options{false, "", strings.Builder{}, "utf-8", true, false, true}
+
+		contents, err := os.ReadFile(dirPath + string(os.PathSeparator) + entry.Name())
+
+		if err != nil {
+			t.Errorf("Error reading file: %v", err)
+		}
+
+		for suffix, opts := range tests {
+			fileName := entry.Name()[:len(entry.Name())-4] + "_snapshot" + suffix + ".txt"
+			filePath := strings.Join([]string{"test_files", "snapshots", fileName}, string(os.PathSeparator))
+
+			t.Logf("Testing snapshot %s", fileName)
+
+			want, err := os.ReadFile(filePath)
+			if err != nil {
+				t.Errorf("Error reading file: %v", err)
+				break
+			}
+			actual := describeTree(parseInput(string(contents)), opts)
+
+			if actual+"\n" != string(want) {
+				t.Errorf("describeTree()\nactual = %q\nwant   = %q\n file %v", actual, want, filePath)
+				break
+			}
+		}
+	}
+
+}

treelike_test.go

@@ -1,184 +0,0 @@
-package main
-
-import (
-	"strings"
-	"testing"
-)
-
-func TestParseDepth(t *testing.T) {
-	tests := []struct {
-		line       string
-		indentSize int
-		expected   int
-	}{
-		{"    node", 4, 1},
-		{"        node", 4, 2},
-		{"node", 4, 0},
-		{"\tnode", 0, 1},
-	}
-
-	for _, test := range tests {
-		result := parseDepth(test.line, test.indentSize)
-		if result != test.expected {
-			t.Errorf("parseDepth(%q, %d) = %d; want %d", test.line, test.indentSize, result, test.expected)
-		}
-	}
-}
-
-func TestParseInput(t *testing.T) {
-	input := "root\n    child1\n    child2\n        grandchild1\n"
-	root := parseInput(input)
-
-	if root.name != "." {
-		t.Errorf("Expected root name to be '.', got %s", root.name)
-	}
-
-	if len(root.children) != 1 {
-		t.Fatalf("Expected root to have 1 child, got %d", len(root.children))
-	}
-
-	child1 := root.children[0]
-	if child1.name != "root" {
-		t.Errorf("Expected child1 name to be 'root', got %s", child1.name)
-	}
-
-	if len(child1.children) != 2 {
-		t.Fatalf("Expected child1 to have 2 children, got %d", len(child1.children))
-	}
-
-	grandchild1 := child1.children[1].children[0]
-	if grandchild1.name != "grandchild1" {
-		t.Errorf("Expected grandchild1 name to be 'grandchild1', got %s", grandchild1.name)
-	}
-}
-
-func TestDescribeTree(t *testing.T) {
-	input := "root\n    child1\n    child2\n        grandchild1\n"
-	root := parseInput(input)
-	opts := Options{rootDot: true}
-	result := describeTree(root, &opts)
-
-	expected := ".\n└── root\n    ├── child1\n    └── child2\n        └── grandchild1"
-	if result != expected {
-		t.Errorf("describeTree() = %q; want %q", result, expected)
-	}
-}
-
-func TestGetAsciiLine(t *testing.T) {
-	root := &Node{name: ".", depth: 0, children: []*Node{}, parent: nil}
-	child := &Node{name: "child", depth: 1, children: []*Node{}, parent: root}
-	root.children = append(root.children, child)
-	opts := Options{rootDot: true}
-
-	result := getTreeLine(child, &opts)
-	expected := "└── child"
-	if result != expected {
-		t.Errorf("getTreeLine() = %q; want %q", result, expected)
-	}
-}
-
-func TestGetName(t *testing.T) {
-	node := &Node{name: "node", depth: 0, children: []*Node{}, parent: nil}
-	opts := Options{trailingSlash: true}
-
-	result := getName(node, &opts)
-	expected := "node"
-	if result != expected {
-		t.Errorf("getName() = %q; want %q", result, expected)
-	}
-
-	node.children = append(node.children, &Node{name: "child", depth: 1, children: []*Node{}, parent: node})
-	result = getName(node, &opts)
-	expected = "node/"
-	if result != expected {
-		t.Errorf("getName() = %q; want %q", result, expected)
-	}
-}
-
-func TestIsLastChild(t *testing.T) {
-	root := &Node{name: ".", depth: 0, children: []*Node{}, parent: nil}
-	child1 := &Node{name: "child1", depth: 1, children: []*Node{}, parent: root}
-	child2 := &Node{name: "child2", depth: 1, children: []*Node{}, parent: root}
-	root.children = append(root.children, child1, child2)
-
-	if isLastChild(child1) {
-		t.Errorf("Expected child1 to not be the last child")
-	}
-
-	if !isLastChild(child2) {
-		t.Errorf("Expected child2 to be the last child")
-	}
-}
-
-func TestRemovePrefix(t *testing.T) {
-	opts := Options{false, "", strings.Builder{}, "utf-8", false, false, true}
-	CHILD, LAST_CHILD, DIRECTORY, EMPTY := getPrefixes(&opts)
-
-	tests := []struct {
-		str      string
-		expected string
-	}{
-		{CHILD + "node", "node"},
-		{LAST_CHILD + "node", "node"},
-		{DIRECTORY + "node", "node"},
-		{EMPTY + "node", "node"},
-	}
-
-	for _, test := range tests {
-		result := removePrefix(test.str, &opts)
-		if result != test.expected {
-			t.Errorf("removePrefix(%q) = %q; want %q", test.str, result, test.expected)
-		}
-	}
-}
-func TestGetPrefixes(t *testing.T) {
-	tests := []struct {
-		charset           string
-		expectedChild     string
-		expectedLastChild string
-		expectedDirectory string
-		expectedEmpty     string
-	}{
-		{"utf-8", UTF8_CHILD, UTF8_LAST_CHILD, UTF8_DIRECTORY, UTF8_EMPTY},
-		{"ascii", ASCII_CHILD, ASCII_LAST_CHILD, ASCII_DIRECTORY, ASCII_EMPTY},
-	}
-
-	for _, test := range tests {
-		opts := &Options{charset: test.charset}
-		child, lastChild, directory, empty := getPrefixes(opts)
-		if child != test.expectedChild {
-			t.Errorf("For charset %s, expected child prefix %s, but got %s", test.charset, test.expectedChild, child)
-		}
-		if lastChild != test.expectedLastChild {
-			t.Errorf("For charset %s, expected last child prefix %s, but got %s", test.charset, test.expectedLastChild, lastChild)
-		}
-		if directory != test.expectedDirectory {
-			t.Errorf("For charset %s, expected directory prefix %s, but got %s", test.charset, test.expectedDirectory, directory)
-		}
-		if empty != test.expectedEmpty {
-			t.Errorf("For charset %s, expected empty prefix %s, but got %s", test.charset, test.expectedEmpty, empty)
-		}
-	}
-}
-
-func TestMultiRoot(t *testing.T) {
-	input := "I\n am\n  a\n   superhero!\na\n what?\na\n superhero!\n"
-	root := parseInput(input)
-	opts := Options{rootDot: true}
-	result := describeTree(root, &opts)
-	expected := ".\n├── I\n│   └── am\n│       └── a\n│           └── superhero!\n├── a\n│   └── what?\n└── a\n    └── superhero!"
-	if result != expected {
-		t.Errorf("describeTree() = %q; want %q", result, expected)
-	}
-}
-
-func TestWinNewLines(t *testing.T) {
-	input := "root\r\n    child1\r\n    child2\r\n        grandchild1\r\n"
-	root := parseInput(input)
-	opts := Options{rootDot: true}
-	result := describeTree(root, &opts)
-	expected := ".\n└── root\n    ├── child1\n    └── child2\n        └── grandchild1"
-	if result != expected {
-		t.Errorf("describeTree() = %q; want %q", result, expected)
-	}
-}