Add read-only Docspell FUSE mount

mount_test.go

@@ -0,0 +1,53 @@
+package main
+
+import "testing"
+
+func TestBuildMountTreeGroupsByFolderAndDate(t *testing.T) {
+	items := []SearchItem{{
+		ID:   "item-1",
+		Name: "Invoice/July",
+		Date: 1720396800000,
+		Folder: &DocspellEntity{
+			Name: "Bills/Private",
+		},
+		Attachments: []ItemAttachment{{ID: "att-1", Name: "invoice.pdf", Size: 123}},
+	}}
+
+	root := buildMountTree(&DocspellClient{}, items)
+	folder, ok := root.children["Bills_Private"].(*dirNode)
+	if !ok {
+		t.Fatalf("expected sanitized folder directory, got %#v", root.children)
+	}
+	year, ok := folder.children["2024"].(*dirNode)
+	if !ok {
+		t.Fatalf("expected year directory, got %#v", folder.children)
+	}
+	month, ok := year.children["07"].(*dirNode)
+	if !ok {
+		t.Fatalf("expected month directory, got %#v", year.children)
+	}
+	if _, ok := month.children["invoice.pdf"].(*fileNode); !ok {
+		t.Fatalf("expected attachment file, got %#v", month.children)
+	}
+}
+
+func TestBuildMountTreeDeduplicatesAttachmentNames(t *testing.T) {
+	items := []SearchItem{{
+		ID:   "item-1",
+		Name: "Invoice",
+		Attachments: []ItemAttachment{
+			{ID: "att-1", Name: "same.pdf"},
+			{ID: "att-2", Name: "same.pdf"},
+		},
+	}}
+
+	root := buildMountTree(&DocspellClient{}, items)
+	folder := root.children["No Folder"].(*dirNode)
+	date := folder.children["No Date"].(*dirNode)
+	if _, ok := date.children["Invoice - 01 - same.pdf"]; !ok {
+		t.Fatalf("expected first unique name, got %#v", date.children)
+	}
+	if _, ok := date.children["Invoice - 02 - same.pdf"]; !ok {
+		t.Fatalf("expected second unique name, got %#v", date.children)
+	}
+}