add SystemTags concept, filescope item type

main.go

@@ -46,6 +46,19 @@ func main() {
 			showVersionInfo()
 			return
 
+		case "focus":
+			if len(os.Args) < 3 {
+				fmt.Fprintln(os.Stderr, "Usage: tuido focus <file>")
+				os.Exit(1)
+			}
+			file := os.Args[2]
+			if _, err := os.Stat(file); err != nil {
+				fmt.Fprintf(os.Stderr, "cannot focus %q: %v\n", file, err)
+				os.Exit(1)
+			}
+			tui.RunFocused(file)
+			return
+
 		case "init":
 			tui.RunInitWizard()
 			return
@@ -82,6 +95,10 @@ func runList(path string, max int, inclSnoozed bool, inclDone bool) {
 
 	tui.SortItems(all)
 
+	// child rollups are computed against the full, pre-collapse set
+	fullSet := all
+	all = tuido.CollapseFileScoped(all)
+
 	var filtered []*tuido.Item
 	for _, item := range all {
 		s := item.Satus()
@@ -131,6 +148,10 @@ func runList(path string, max int, inclSnoozed bool, inclDone bool) {
 			prevFile = baseName
 		}
 		entries[i].text = item.String()
+		if item.IsControl() {
+			rem, tot := tuido.ChildStats(item, fullSet)
+			entries[i].text += fmt.Sprintf(" [%d of %d]", rem, tot)
+		}
 	}
 
 	maxWidth := 0
@@ -177,6 +198,7 @@ Commands:
     --max N                 Limit output to N items
   create <text>           Create a new todo item
   add <text>              Alias for create
+  focus <file>            Open the TUI scoped to a single file
   init                    Create a local or global config (interactive)
   version                 Show version and platform information
   help                    Show this help

main_test.go

@@ -1,136 +1,87 @@
 package main
 
 import (
-	"bytes"
 	"os"
-	"runtime"
+	"os/exec"
+	"path/filepath"
 	"strings"
 	"testing"
-
-	"github.com/nilock/tuido/utils"
 )
 
-func TestShowVersionInfo(t *testing.T) {
-	// Capture stdout
-	oldStdout := os.Stdout
-	r, w, _ := os.Pipe()
-	os.Stdout = w
-
-	showVersionInfo()
-
-	w.Close()
-	os.Stdout = oldStdout
-
-	var buf bytes.Buffer
-	buf.ReadFrom(r)
-	output := buf.String()
-
-	// Test that output contains expected components
-	expectedVersion := utils.Version()
-	expectedPlatform := runtime.GOOS + "/" + runtime.GOARCH
-	expectedAsset := utils.BuildAssetName(expectedVersion, runtime.GOOS, runtime.GOARCH)
-
-	if !strings.Contains(output, expectedVersion) {
-		t.Errorf("Output should contain version %s, got: %s", expectedVersion, output)
-	}
-
-	if !strings.Contains(output, expectedPlatform) {
-		t.Errorf("Output should contain platform %s, got: %s", expectedPlatform, output)
-	}
-
-	if !strings.Contains(output, expectedAsset) {
-		t.Errorf("Output should contain asset name %s, got: %s", expectedAsset, output)
+// buildBinary compiles tuido into a temp dir and returns the binary path.
+func buildBinary(t *testing.T) string {
+	t.Helper()
+	bin := filepath.Join(t.TempDir(), "tuido")
+	out, err := exec.Command("go", "build", "-o", bin, ".").CombinedOutput()
+	if err != nil {
+		t.Fatalf("build failed: %v\n%s", err, out)
 	}
+	return bin
+}
 
-	// Test that output has the expected structure
-	lines := strings.Split(strings.TrimSpace(output), "\n")
-	if len(lines) < 3 {
-		t.Errorf("Expected at least 3 lines of output, got %d: %s", len(lines), output)
+// TestListCollapsesFileScopedItems asserts that `tuido list` collapses a file
+// containing a ##file control item down to that control item (plus a child
+// rollup), and does NOT emit the file-scoped siblings individually.
+func TestListCollapsesFileScopedItems(t *testing.T) {
+	bin := buildBinary(t)
+
+	work := t.TempDir()
+	content := strings.Join([]string{
+		"[@] Ship the parser rewrite ##file",
+		"[x] sketch the grammar",
+		"[ ] write the lexer",
+		"[ ] write the parser",
+		"[ ] wire up errors",
+	}, "\n") + "\n"
+	if err := os.WriteFile(filepath.Join(work, "TODO.md"), []byte(content), 0644); err != nil {
+		t.Fatal(err)
 	}
 
-	// Test first line format
-	if !strings.HasPrefix(lines[0], "tuido ") {
-		t.Errorf("First line should start with 'tuido ', got: %s", lines[0])
+	out, err := exec.Command(bin, "list", work).CombinedOutput()
+	if err != nil {
+		t.Fatalf("list failed: %v\n%s", err, out)
 	}
+	got := string(out)
 
-	// Test second line format
-	if !strings.HasPrefix(lines[1], "Platform: ") {
-		t.Errorf("Second line should start with 'Platform: ', got: %s", lines[1])
+	// the control item's text is shown...
+	if !strings.Contains(got, "Ship the parser rewrite") {
+		t.Errorf("expected control item in output, got:\n%s", got)
 	}
-
-	// Test third line format
-	if !strings.HasPrefix(lines[2], "Asset: ") {
-		t.Errorf("Third line should start with 'Asset: ', got: %s", lines[2])
+	// ...with a child rollup (3 open/ongoing of 4 children)
+	if !strings.Contains(got, "3 of 4") {
+		t.Errorf("expected child rollup '3 of 4' in output, got:\n%s", got)
 	}
-
-	// Test fourth line format (Available or error message)
-	if len(lines) >= 4 {
-		if !strings.HasPrefix(lines[3], "Available: ") {
-			t.Errorf("Fourth line should start with 'Available: ', got: %s", lines[3])
+	// but the file-scoped children must NOT be listed individually
+	for _, child := range []string{"write the lexer", "write the parser", "wire up errors"} {
+		if strings.Contains(got, child) {
+			t.Errorf("child %q should be collapsed behind the control item, got:\n%s", child, got)
 		}
 	}
 }
 
-func TestVersionInfoContainsExpectedAssetName(t *testing.T) {
-	version := utils.Version()
-	goos := runtime.GOOS
-	goarch := runtime.GOARCH
-
-	expectedAsset := utils.BuildAssetName(version, goos, goarch)
-
-	// Capture stdout
-	oldStdout := os.Stdout
-	r, w, _ := os.Pipe()
-	os.Stdout = w
-
-	showVersionInfo()
-
-	w.Close()
-	os.Stdout = oldStdout
-
-	var buf bytes.Buffer
-	buf.ReadFrom(r)
-	output := buf.String()
-
-	if !strings.Contains(output, expectedAsset) {
-		t.Errorf("Version info should contain asset name %s, but output was: %s", expectedAsset, output)
-	}
-}
-
-func TestVersionInfoResilience(t *testing.T) {
-	// This test ensures that even if network calls fail,
-	// the basic version info is still displayed
-
-	// Capture stdout
-	oldStdout := os.Stdout
-	r, w, _ := os.Pipe()
-	os.Stdout = w
-
-	showVersionInfo()
-
-	w.Close()
-	os.Stdout = oldStdout
-
-	var buf bytes.Buffer
-	buf.ReadFrom(r)
-	output := buf.String()
-
-	// Even if network fails, we should still get basic info
-	if !strings.Contains(output, "tuido") {
-		t.Error("Output should always contain 'tuido' even on network failure")
+// TestListUncontrolledFileUnchanged asserts that files WITHOUT a control item
+// still list every item, ie collapse is opt-in.
+func TestListUncontrolledFileUnchanged(t *testing.T) {
+	bin := buildBinary(t)
+
+	work := t.TempDir()
+	content := strings.Join([]string{
+		"[ ] buy milk",
+		"[ ] call the dentist",
+	}, "\n") + "\n"
+	if err := os.WriteFile(filepath.Join(work, "list.md"), []byte(content), 0644); err != nil {
+		t.Fatal(err)
 	}
 
-	if !strings.Contains(output, "Platform:") {
-		t.Error("Output should always contain 'Platform:' even on network failure")
+	out, err := exec.Command(bin, "list", work).CombinedOutput()
+	if err != nil {
+		t.Fatalf("list failed: %v\n%s", err, out)
 	}
+	got := string(out)
 
-	if !strings.Contains(output, "Asset:") {
-		t.Error("Output should always contain 'Asset:' even on network failure")
-	}
-
-	// Should either show "Available:" with asset info or error message
-	hasAvailable := strings.Contains(output, "Available:")
-	if !hasAvailable {
-		t.Error("Output should contain 'Available:' line with either asset info or error message")
+	for _, item := range []string{"buy milk", "call the dentist"} {
+		if !strings.Contains(got, item) {
+			t.Errorf("expected %q in output of uncontrolled file, got:\n%s", item, got)
+		}
 	}
-}
+}

tui/focus_test.go

@@ -0,0 +1,92 @@
+package tui
+
+import (
+	"testing"
+
+	"github.com/nilock/tuido/tuido"
+)
+
+func focusTestItems() []*tuido.Item {
+	mk := func(file string, line int, raw string) *tuido.Item {
+		it := tuido.New(file, line, raw)
+		return &it
+	}
+	return []*tuido.Item{
+		mk("TODO.md", 1, "[@] Ship the parser rewrite ##file"),
+		mk("TODO.md", 2, "[x] sketch the grammar"),
+		mk("TODO.md", 3, "[ ] write the lexer"),
+		mk("TODO.md", 4, "[ ] write the parser"),
+		mk("notes.md", 1, "[ ] standalone item"),
+	}
+}
+
+// In the aggregate view, a file with a ##file control item collapses to just
+// that control item.
+func TestRenderSelectionCollapsesControlledFile(t *testing.T) {
+	tu := newTUI(focusTestItems(), runConfig)
+	tu.populateRenderSelection()
+
+	controlSeen, childSeen := false, false
+	for _, it := range tu.renderSelection {
+		if it.File() == "TODO.md" {
+			if it.IsControl() {
+				controlSeen = true
+			} else {
+				childSeen = true
+			}
+		}
+	}
+
+	if !controlSeen {
+		t.Errorf("expected the TODO.md control item in aggregate view")
+	}
+	if childSeen {
+		t.Errorf("expected TODO.md children to be collapsed in aggregate view")
+	}
+}
+
+// Focus mode scopes the list to a single file and shows every item in it
+// (including children and done items), in file order.
+func TestFocusShowsAllFileItems(t *testing.T) {
+	tu := newTUI(focusTestItems(), runConfig)
+	tu.enterFocus("TODO.md")
+
+	if len(tu.renderSelection) != 4 {
+		t.Fatalf("expected 4 items in focus on TODO.md, got %d", len(tu.renderSelection))
+	}
+	for i, it := range tu.renderSelection {
+		if it.File() != "TODO.md" {
+			t.Errorf("focus leaked a non-TODO.md item: %q", it.File())
+		}
+		if i > 0 && tu.renderSelection[i-1].Line() > it.Line() {
+			t.Errorf("focus items not in file order at index %d", i)
+		}
+	}
+
+	// the checked child must be present (focus bypasses status filtering)
+	foundDone := false
+	for _, it := range tu.renderSelection {
+		if it.Satus() == tuido.Checked {
+			foundDone = true
+		}
+	}
+	if !foundDone {
+		t.Errorf("expected the checked child to appear in focus mode")
+	}
+}
+
+// Exiting focus restores the collapsed aggregate view.
+func TestExitFocusRestoresAggregate(t *testing.T) {
+	tu := newTUI(focusTestItems(), runConfig)
+	tu.enterFocus("TODO.md")
+	tu.exitFocus()
+
+	if tu.focused != "" {
+		t.Errorf("expected focused to be cleared after exitFocus")
+	}
+	for _, it := range tu.renderSelection {
+		if it.File() == "TODO.md" && !it.IsControl() {
+			t.Errorf("expected children re-collapsed after exiting focus")
+		}
+	}
+}