Terminal-based user interface toolkit
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package cview
import (
"testing"
)
const (
treeViewTextA = "Hello, world!"
treeViewTextB = "Goodnight, moon!"
)
func TestTreeView(t *testing.T) {
t.Parallel()
// Initialize
tr := NewTreeView()
if tr.GetRoot() != nil {
t.Errorf("failed to initialize TreeView: expected nil root node, got %v", tr.GetRoot())
} else if tr.GetCurrentNode() != nil {
t.Errorf("failed to initialize TreeView: expected nil current node, got %v", tr.GetCurrentNode())
} else if tr.GetRowCount() != 0 {
t.Errorf("failed to initialize TreeView: incorrect row count: expected 0, got %d", tr.GetRowCount())
}
app, err := newTestApp(tr)
if err != nil {
t.Errorf("failed to initialize Application: %s", err)
}
// Create root node
rootNode := NewTreeNode(treeViewTextA)
if rootNode.GetText() != treeViewTextA {
t.Errorf("failed to update TreeView: incorrect node text: expected %s, got %s", treeViewTextA, rootNode.GetText())
}
// Add root node
tr.SetRoot(rootNode)
tr.Draw(app.screen)
if tr.GetRoot() != rootNode {
t.Errorf("failed to initialize TreeView: expected root node A, got %v", tr.GetRoot())
} else if tr.GetRowCount() != 1 {
t.Errorf("failed to initialize TreeView: incorrect row count: expected 1, got %d", tr.GetRowCount())
}
// Set current node
tr.SetCurrentNode(rootNode)
if tr.GetCurrentNode() != rootNode {
t.Errorf("failed to initialize TreeView: expected current node A, got %v", tr.GetCurrentNode())
}
// Create child node
childNode := NewTreeNode(treeViewTextB)
if childNode.GetText() != treeViewTextB {
t.Errorf("failed to update TreeView: incorrect node text: expected %s, got %s", treeViewTextB, childNode.GetText())
}
// Add child node
rootNode.AddChild(childNode)
tr.Draw(app.screen)
if tr.GetRoot() != rootNode {
t.Errorf("failed to initialize TreeView: expected root node A, got %v", tr.GetRoot())
} else if tr.GetRowCount() != 2 {
t.Errorf("failed to initialize TreeView: incorrect row count: expected 1, got %d", tr.GetRowCount())
}
}