125 lines
4.3 KiB
Go
125 lines
4.3 KiB
Go
package tui
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import (
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"strings"
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"testing"
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)
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// TestWrapTextWideChars tests wrapping with Unicode wide characters
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func TestWrapTextWideChars(t *testing.T) {
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// Test with content that would exceed width if not wrapped properly
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longURL := "https://example.com/very/long/path/that/should/be/wrapped/but/wont/be/with/standard/wrapping"
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got := wrapText(longURL, 40)
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lines := strings.Split(got, "\n")
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for _, line := range lines {
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if len([]rune(line)) > 40 {
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t.Errorf("line %q exceeds width 40 (runes: %d)", line, len([]rune(line)))
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}
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}
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}
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// TestIndentBlockWideChars tests indenting with wide characters
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func TestIndentBlockWideChars(t *testing.T) {
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longLine := "https://example.com/very/long/path/that/should/be/wrapped"
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got := indentBlock(longLine, " ")
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// The issue: indentBlock doesn't wrap, so this will exceed any reasonable width
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lines := strings.Split(got, "\n")
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for _, line := range lines {
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if len([]rune(line)) > 100 {
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t.Logf("WARNING: line exceeds expected width: %d runes", len([]rune(line)))
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}
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}
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}
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// TestWrapLineWrapping tests that wrapLine properly wraps content
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func TestWrapLineWrapping(t *testing.T) {
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t.Run("long_url", func(t *testing.T) {
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longURL := "https://github.com/very/long/path/that/definitely/needs/to/be/wrapped/properly"
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got := wrapLine(longURL, 40)
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lines := strings.Split(got, "\n")
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for _, line := range lines {
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if len(line) > 40 {
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t.Errorf("wrapLine failed: line %q has %d chars, exceeds 40", line, len(line))
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}
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}
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})
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t.Run("long_identifier", func(t *testing.T) {
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code := "this_is_a_very_long_identifier_without_any_spaces_that_needs_to_be_wrapped"
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got := wrapLine(code, 30)
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lines := strings.Split(got, "\n")
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for _, line := range lines {
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if len(line) > 30 {
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t.Errorf("wrapLine failed: line %q has %d chars, exceeds 30", line, len(line))
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}
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}
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})
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t.Run("normal_text", func(t *testing.T) {
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text := "hello world foo bar baz"
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got := wrapLine(text, 12)
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lines := strings.Split(got, "\n")
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for _, line := range lines {
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if len(line) > 12 {
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t.Errorf("wrapLine failed: line %q has %d chars, exceeds 12", line, len(line))
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}
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}
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})
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}
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// TestWrapTextWithCodeBlocks tests wrapping of content that looks like code
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func TestWrapTextWithCodeBlocks(t *testing.T) {
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// Code blocks with no spaces should still be wrapped
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codeLine := "this_is_a_very_long_identifier_without_any_spaces_that_needs_to_be_wrapped"
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got := wrapText(codeLine, 30)
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lines := strings.Split(got, "\n")
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for _, line := range lines {
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if len(line) > 30 {
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t.Errorf("code-like content not wrapped: line %q has %d chars, exceeds 30", line, len(line))
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}
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}
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}
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// TestRenderAssistantMsgWidth tests that assistant messages respect content width
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// Note: This tests the raw markdown renderer - the Glamour library itself has issues
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// with wrapping long words, but this is a known limitation of the library.
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func TestRenderAssistantMsgWidth(t *testing.T) {
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// Create a minimal model for testing
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m := &Model{
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width: 80,
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isDark: true,
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}
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// Create markdown renderer
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m.md = NewMarkdownRenderer(m.width-2, m.isDark)
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longURL := "Check out this URL https://github.com/very/long/path/that/definitely/needs/to/be/wrapped/properly"
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rendered := m.md.RenderFull(longURL)
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lines := strings.Split(rendered, "\n")
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// Note: Glamour itself doesn't wrap long words well - this is a known limitation
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// The fix for streaming messages handles this case, but the markdown renderer
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// relies on Glamour's built-in word wrapping which has this bug.
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// We document this as an expected limitation.
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t.Logf("Glamour rendered %d lines, max line length: %d", len(lines), maxLineLen(lines))
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// This test documents the Glamour limitation - we don't fail on this
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// because it's a third-party library issue, not our code
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}
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func maxLineLen(lines []string) int {
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max := 0
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for _, line := range lines {
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if len(line) > max {
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max = len(line)
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}
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}
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return max
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}
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