Add shared-text test coverage

1 files changed, 41 insertions, 11 deletions

diff --git a/main_test.go b/main_test.go
index 399158a..7f72cdb 100644
--- a/main_test.go
+++ b/main_test.go
@@ -46,20 +46,50 @@ func TestLogEntryInvalidDir(t *testing.T) {
 	}
 }
 
-func TestLogEntryEmptyText(t *testing.T) {
-	dir := t.TempDir()
-	if err := logEntry(dir, ""); err != nil {
-		t.Fatalf("logEntry with empty text returned error: %v", err)
+func TestLogEntryHandlesEdgeCases(t *testing.T) {
+	tests := []struct {
+		name string
+		text string
+	}{
+		{
+			name: "empty",
+			text: "",
+		},
+		{
+			name: "very long",
+			text: strings.Repeat("x", maxTextLength+1),
+		},
 	}
 
-	entries, _ := os.ReadDir(dir)
-	if len(entries) != 1 {
-		t.Fatalf("expected 1 file, got %d", len(entries))
-	}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			dir := t.TempDir()
+
+			if err := logEntry(dir, tc.text); err != nil {
+				t.Fatalf("logEntry returned error: %v", err)
+			}
 
-	content, _ := os.ReadFile(filepath.Join(dir, entries[0].Name()))
-	if len(content) != 0 {
-		t.Errorf("expected empty file, got %d bytes", len(content))
+			entries, err := os.ReadDir(dir)
+			if err != nil {
+				t.Fatalf("reading dir: %v", err)
+			}
+			if len(entries) != 1 {
+				t.Fatalf("expected 1 file, got %d", len(entries))
+			}
+
+			name := entries[0].Name()
+			if !strings.HasPrefix(name, "ql-") || !strings.HasSuffix(name, ".md") {
+				t.Errorf("unexpected filename pattern: %s", name)
+			}
+
+			content, err := os.ReadFile(filepath.Join(dir, name))
+			if err != nil {
+				t.Fatalf("reading file: %v", err)
+			}
+			if string(content) != tc.text {
+				t.Fatalf("expected %d bytes, got %d", len(tc.text), len(content))
+			}
+		})
 	}
 }