tui: restore global filter stack and anchored matches

1 files changed, 14 insertions, 5 deletions

diff --git a/internal/tui/eventstream/render_test.go b/internal/tui/eventstream/render_test.go
index 6240c69..d5b2af5 100644
--- a/internal/tui/eventstream/render_test.go
+++ b/internal/tui/eventstream/render_test.go
@@ -10,7 +10,7 @@ import (
 func TestRenderStatusAndFilterLines(t *testing.T) {
 	events := []StreamEvent{{Syscall: "read", Comm: "nginx", PID: 1, TID: 2, DurationNs: 1200, GapNs: 300, Bytes: 64, FileName: "/tmp/a", RetVal: 64}}
 	f := Filter{Syscall: &StringFilter{Pattern: "read"}, PID: &NumericFilter{Op: OpEq, Value: 1}}
-	out := RenderStreamTable(120, false, 100, 1, 100, 10000, f, events, -1, -1)
+	out := RenderStreamTable(120, false, 100, 1, 100, 10000, f, nil, events, -1, -1)
 
 	for _, want := range []string{"LIVE", "total:100", "filtered:1", "buffer:100/10000", "Filter:", "syscall~read", "pid=1"} {
 		if !strings.Contains(out, want) {
@@ -21,7 +21,7 @@ func TestRenderStatusAndFilterLines(t *testing.T) {
 
 func TestRenderPausedAndErrorRow(t *testing.T) {
 	events := []StreamEvent{{Syscall: "write", Comm: "worker", PID: 1, TID: 2, DurationNs: 1000000, GapNs: 5000, Bytes: 32, FileName: "/tmp/b", RetVal: -1, IsError: true}}
-	out := RenderStreamTable(120, true, 10, 1, 10, 10000, Filter{}, events, -1, -1)
+	out := RenderStreamTable(120, true, 10, 1, 10, 10000, Filter{}, nil, events, -1, -1)
 
 	if !strings.Contains(out, "PAUSED") {
 		t.Fatalf("expected PAUSED indicator\n%s", out)
@@ -36,7 +36,7 @@ func TestRenderPausedAndErrorRow(t *testing.T) {
 
 func TestRenderShowsFDWhenPresent(t *testing.T) {
 	events := []StreamEvent{{Syscall: "read", Comm: "worker", PID: 1, TID: 2, FD: 9, DurationNs: 10, GapNs: 1, Bytes: 8, FileName: "/tmp/b", RetVal: 8}}
-	out := RenderStreamTable(120, false, 1, 1, 1, 10000, Filter{}, events, -1, -1)
+	out := RenderStreamTable(120, false, 1, 1, 1, 10000, Filter{}, nil, events, -1, -1)
 	if !strings.Contains(out, "FD") || !strings.Contains(out, " 9 ") {
 		t.Fatalf("expected FD column/value in output\n%s", out)
 	}
@@ -54,7 +54,7 @@ func TestRenderHeaderAndTruncate(t *testing.T) {
 		FileName:   "/very/long/path/that/should/be/truncated/for/narrow/views/file.log",
 		RetVal:     1,
 	}}
-	out := RenderStreamTable(80, false, 1, 1, 1, 10000, Filter{}, events, -1, -1)
+	out := RenderStreamTable(80, false, 1, 1, 1, 10000, Filter{}, nil, events, -1, -1)
 
 	for _, col := range []string{"Gap", "Latency", "Comm", "PID", "TID", "Syscall", "FD", "Ret", "Bytes", "File"} {
 		if !strings.Contains(out, col) {
@@ -112,7 +112,7 @@ func TestComputeColumnLayoutGivesFileMoreSpace(t *testing.T) {
 }
 
 func TestRenderStreamTableFitsRequestedWidth(t *testing.T) {
-	out := RenderStreamTable(80, false, 1, 1, 1, 10000, Filter{}, []StreamEvent{
+	out := RenderStreamTable(80, false, 1, 1, 1, 10000, Filter{}, nil, []StreamEvent{
 		{
 			Syscall:    "read",
 			Comm:       "worker",
@@ -133,6 +133,15 @@ func TestRenderStreamTableFitsRequestedWidth(t *testing.T) {
 	}
 }
 
+func TestRenderShowsFilterStackLine(t *testing.T) {
+	out := RenderStreamTable(100, true, 3, 1, 3, 10000, Filter{Comm: &StringFilter{Pattern: "system"}}, []string{"comm~system", "fd=20"}, []StreamEvent{{Comm: "systemd", Syscall: "write"}}, -1, -1)
+	for _, want := range []string{"Stack:", "comm~system", "fd=20"} {
+		if !strings.Contains(out, want) {
+			t.Fatalf("expected stack output missing %q\n%s", want, out)
+		}
+	}
+}
+
 func TestRenderFDTraceTableShowsHeaderAndScope(t *testing.T) {
 	out := RenderFDTraceTable(100, 123, 7, 2, []StreamEvent{
 		{Syscall: "read", PID: 123, TID: 1, FD: 7, FileName: "/tmp/a"},