Test the CLI as package cli's Main over the modules it is given, and fejkdata's main over the shipped packages

2026-10-11 20:45:52 +02:00
parent 9b7c3f0dc2
commit 35487cd36d
4 changed files with 912 additions and 840 deletions
@@ -0,0 +1,52 @@
+package cli
+
+import (
+	"testing"
+
+	"github.com/larvit/fejkdata/internal/grammar"
+)
+
+// grammarLoneReference is the path a format reads when the grammar parses it as one path
+// read of one reference from the root, and nothing else.
+func grammarLoneReference(text string) (string, bool) {
+	toks, err := grammar.ParseFormat(text)
+	if err != nil || len(toks) != 1 || toks[0].Kind != grammar.PathRead || len(toks[0].Arms) != 1 {
+		return "", false
+	}
+	sigil, path, err := grammar.RefShape(toks[0].Arms[0])
+	if err != nil || sigil != "/" {
+		return "", false
+	}
+	return path, true
+}
+
+func TestLoneReferenceAgreesWithTheGrammar(t *testing.T) {
+	for _, text := range []string{
+		" {/x}",
+		"x",
+		"{.x}",
+		"{/.x}",
+		"{//x}",
+		"{/a...b}",
+		"{/a..b}",
+		"{/a..}",
+		"{/a.[x]}",
+		"{/a.}",
+		"{/a|/b}",
+		"{/a}{/b}",
+		"{/misc.currency[US Dollar (Next day)]}",
+		"{/sv_SE.person}",
+		"{/t[a as b].c}",
+		"{/t[f(x)]}",
+		"{/x as p}",
+		"{/x(1)}",
+		"{/x}}",
+		"{/}",
+	} {
+		path, lone := loneReference(text)
+		want, wantLone := grammarLoneReference(text)
+		if lone != wantLone || path != want {
+			t.Errorf("loneReference(%q) = %q, %v; the grammar reads %q, %v", text, path, lone, want, wantLone)
+		}
+	}
+}