wehub-resource-sync
108 lines
3.0 KiB
Go
108 lines
3.0 KiB
Go
package syntax
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import (
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"image/color"
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"strings"
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"testing"
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)
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func TestNormalizeSyntaxStyle(t *testing.T) {
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if got := NormalizeStyle("jetbrains-dark"); got != StyleDarcula {
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t.Fatalf("expected darcula alias, got %q", got)
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}
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if got := NormalizeStyle("unknown"); got != StyleGoLand {
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t.Fatalf("expected unknown style to fall back to goland, got %q", got)
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}
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}
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func TestHighlightGoLine(t *testing.T) {
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palette := testSyntaxPalette()
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spans := HighlightGo(`if len(s) > 0 { return "x" // ok }`, palette)
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assertSpanColor(t, spans, "if", palette.Keyword)
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assertSpanColor(t, spans, "len", palette.Builtin)
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assertSpanColor(t, spans, "0", palette.Number)
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assertSpanColor(t, spans, `"x"`, palette.String)
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assertSpanStyle(t, spans, "// ok }", palette.Comment, false, true)
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}
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func TestHighlightAsmLine(t *testing.T) {
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palette := testSyntaxPalette()
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spans := HighlightAsm("CALL runtime.morestack_noctxt(SB); tail", "runtime.morestack_noctxt", palette)
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assertSpanStyle(t, spans, "CALL", palette.Mnemonic, true, false)
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assertSpanColor(t, spans, "runtime.morestack_noctxt", palette.CallTarget)
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assertSpanColor(t, spans, "SB", palette.Register)
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assertSpanStyle(t, spans, "; tail", palette.Comment, false, true)
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}
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func TestHighlightNativeAsmLine(t *testing.T) {
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palette := testSyntaxPalette()
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spans := HighlightAsm("MOVQ $0X10, %RAX", "", palette)
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assertSpanStyle(t, spans, "MOVQ", palette.Mnemonic, true, false)
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assertSpanColor(t, spans, "$0X10", palette.Number)
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assertSpanColor(t, spans, "%RAX", palette.Register)
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}
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func testSyntaxPalette() Palette {
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return Palette{
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Plain: testColor(1),
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Keyword: testColor(2),
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Builtin: testColor(3),
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String: testColor(4),
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Number: testColor(5),
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Comment: testColor(6),
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Operator: testColor(7),
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Register: testColor(8),
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Mnemonic: testColor(9),
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Symbol: testColor(10),
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LineNumber: testColor(11),
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CallTarget: testColor(12),
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}
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}
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func testColor(v uint8) color.NRGBA {
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return color.NRGBA{R: v, G: v, B: v, A: 0xff}
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}
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func assertSpanColor(t *testing.T, spans []Span, text string, col color.NRGBA) {
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t.Helper()
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span, ok := findSpan(spans, text)
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if !ok {
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t.Fatalf("span %q not found in %q", text, joinedSpanText(spans))
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}
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if span.Color != col {
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t.Fatalf("span %q color = %#v, want %#v", text, span.Color, col)
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}
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}
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func assertSpanStyle(t *testing.T, spans []Span, text string, col color.NRGBA, bold, italic bool) {
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t.Helper()
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span, ok := findSpan(spans, text)
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if !ok {
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t.Fatalf("span %q not found in %q", text, joinedSpanText(spans))
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}
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if span.Color != col || span.Bold != bold || span.Italic != italic {
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t.Fatalf("span %q style = %#v, bold=%v italic=%v; want %#v, bold=%v italic=%v",
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text, span.Color, span.Bold, span.Italic, col, bold, italic)
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}
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}
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func findSpan(spans []Span, text string) (Span, bool) {
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for _, span := range spans {
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if span.Text == text {
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return span, true
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}
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}
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return Span{}, false
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}
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func joinedSpanText(spans []Span) string {
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var b strings.Builder
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for _, span := range spans {
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b.WriteString(span.Text)
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}
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return b.String()
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}
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