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test: add test for highlight function
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| package util | ||
|
|
||
| import ( | ||
| "testing" | ||
| ) | ||
|
|
||
| func TestHighlight(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| code string | ||
| extension string | ||
| wantHTML string | ||
| wantCSS string | ||
| expectError bool | ||
| }{ | ||
| { | ||
| name: "Valid Go Code", | ||
| code: "package main\nfunc main() {}", | ||
| extension: "go", | ||
| expectError: false, | ||
| }, | ||
| { | ||
| name: "Valid Python Code", | ||
| code: "def main():\n pass", | ||
| extension: "py", | ||
| expectError: false, | ||
| }, | ||
| { | ||
| name: "Plaintext Code", | ||
| code: "Just some text.", | ||
| extension: "", | ||
| expectError: false, | ||
| }, | ||
| { | ||
| name: "Invalid Extension", | ||
| code: "Invalid extension test", | ||
| extension: "invalid", | ||
| expectError: false, // Lexer should fallback | ||
| }, | ||
| { | ||
| name: "Empty Code", | ||
| code: "", | ||
| extension: "", | ||
| expectError: false, | ||
| }, | ||
| } | ||
|
|
||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| gotHTML, gotCSS, err := Highlight(tt.code, tt.extension) | ||
| if (err != nil) != tt.expectError { | ||
| t.Errorf("Highlight() error = %v, wantErr %v", err, tt.expectError) | ||
| return | ||
| } | ||
|
|
||
| // Since the output is dependent on the Chroma library, it's tricky to hardcode expected values. | ||
| // We can, however, validate that the result is not empty when it should be valid. | ||
| if !tt.expectError && (gotHTML == "" || gotCSS == "") { | ||
| t.Errorf("Expected non-empty HTML and CSS, gotHTML = %v, gotCSS = %v", gotHTML, gotCSS) | ||
| } | ||
| }) | ||
| } | ||
| } |