WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

internal/infrastructure/chunker/heading_hierarchy_test.go

@@ -0,0 +1,88 @@
+package chunker
+
+import "testing"
+
+func TestHeadingHierarchy_LinearNesting(t *testing.T) {
+	h := NewHeadingHierarchy()
+	h.Observe("# Chapter 1")
+	h.Observe("## Section 1.1")
+	h.Observe("### Subsection 1.1.1")
+	if got := h.Breadcrumb(); got != "Chapter 1 > Section 1.1 > Subsection 1.1.1" {
+		t.Errorf("breadcrumb mismatch: %q", got)
+	}
+}
+
+func TestHeadingHierarchy_PopsDeeperOnSiblingHeading(t *testing.T) {
+	h := NewHeadingHierarchy()
+	h.Observe("# Chapter 1")
+	h.Observe("## Section 1.1")
+	h.Observe("### Subsection 1.1.1")
+	h.Observe("## Section 1.2") // pops the H3
+	if got := h.Breadcrumb(); got != "Chapter 1 > Section 1.2" {
+		t.Errorf("breadcrumb after sibling: %q", got)
+	}
+}
+
+func TestHeadingHierarchy_PopsAllOnNewTopLevel(t *testing.T) {
+	h := NewHeadingHierarchy()
+	h.Observe("# Chapter 1")
+	h.Observe("## Section A")
+	h.Observe("### Sub")
+	h.Observe("# Chapter 2")
+	if got := h.Breadcrumb(); got != "Chapter 2" {
+		t.Errorf("breadcrumb after new H1: %q", got)
+	}
+	if h.Depth() != 1 {
+		t.Errorf("depth should be 1, got %d", h.Depth())
+	}
+}
+
+func TestHeadingHierarchy_NonHeadingIgnored(t *testing.T) {
+	h := NewHeadingHierarchy()
+	h.Observe("# Title")
+	level, txt := h.Observe("just a paragraph")
+	if level != 0 || txt != "" {
+		t.Errorf("non-heading should not register: %d %q", level, txt)
+	}
+	if got := h.Breadcrumb(); got != "Title" {
+		t.Errorf("breadcrumb after non-heading: %q", got)
+	}
+}
+
+func TestHeadingHierarchy_BreadcrumbWithHashes(t *testing.T) {
+	h := NewHeadingHierarchy()
+	h.Observe("# A")
+	h.Observe("## B")
+	got := h.BreadcrumbWithHashes()
+	want := "# A\n## B"
+	if got != want {
+		t.Errorf("hashes breadcrumb:\n  got:  %q\n  want: %q", got, want)
+	}
+}
+
+func TestHeadingHierarchy_EmptyState(t *testing.T) {
+	h := NewHeadingHierarchy()
+	if h.Breadcrumb() != "" || h.BreadcrumbWithHashes() != "" || h.Depth() != 0 {
+		t.Error("empty hierarchy should have no breadcrumb / depth=0")
+	}
+}
+
+func TestHeadingHierarchy_Reset(t *testing.T) {
+	h := NewHeadingHierarchy()
+	h.Observe("# A")
+	h.Observe("## B")
+	h.Reset()
+	if h.Breadcrumb() != "" || h.Depth() != 0 {
+		t.Error("Reset did not clear state")
+	}
+}
+
+func TestHeadingHierarchy_SkipLevels(t *testing.T) {
+	h := NewHeadingHierarchy()
+	// Document jumps from H1 directly to H3, skipping H2.
+	h.Observe("# Top")
+	h.Observe("### Deep")
+	if got := h.Breadcrumb(); got != "Top > Deep" {
+		t.Errorf("skipped-level breadcrumb: %q", got)
+	}
+}