tui: add export modal with csv snapshot export

1 files changed, 72 insertions, 0 deletions

diff --git a/internal/tui/export/model_test.go b/internal/tui/export/model_test.go
new file mode 100644
index 0000000..a97cd8b
--- /dev/null
+++ b/internal/tui/export/model_test.go
@@ -0,0 +1,72 @@
+package export
+
+import (
+	"errors"
+	"strings"
+	"testing"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+func TestOpenAndClose(t *testing.T) {
+	m := NewModel().Open()
+	if !m.Visible() {
+		t.Fatalf("expected modal to be visible after Open")
+	}
+	m = m.Close()
+	if m.Visible() {
+		t.Fatalf("expected modal to be hidden after Close")
+	}
+}
+
+func TestEnterEmitsRequest(t *testing.T) {
+	m := NewModel().Open()
+	next, cmd := m.Update(tea.KeyMsg{Type: tea.KeyEnter})
+	if cmd == nil {
+		t.Fatalf("expected request command on enter")
+	}
+	if !next.exporting {
+		t.Fatalf("expected exporting state after enter")
+	}
+	req, ok := cmd().(RequestMsg)
+	if !ok {
+		t.Fatalf("expected RequestMsg from enter command")
+	}
+	if req.Option != OptionCSV {
+		t.Fatalf("expected CSV as default export option, got %v", req.Option)
+	}
+}
+
+func TestCancelOptionCloses(t *testing.T) {
+	m := NewModel().Open()
+	m.selected = len(optionValues) - 1
+	next, cmd := m.Update(tea.KeyMsg{Type: tea.KeyEnter})
+	if cmd != nil {
+		t.Fatalf("expected no command when selecting cancel")
+	}
+	if next.Visible() {
+		t.Fatalf("expected modal to close on cancel option")
+	}
+}
+
+func TestStatusMessages(t *testing.T) {
+	m := NewModel().Open()
+	m.exporting = true
+
+	next, _ := m.Update(CompletedMsg{Path: "out.csv"})
+	if next.exporting {
+		t.Fatalf("expected exporting=false after completion")
+	}
+	if !strings.Contains(next.status, "out.csv") {
+		t.Fatalf("expected completion path in status")
+	}
+
+	next.exporting = true
+	next, _ = next.Update(FailedMsg{Err: errors.New("boom")})
+	if next.exporting {
+		t.Fatalf("expected exporting=false after failure")
+	}
+	if !strings.Contains(next.status, "boom") {
+		t.Fatalf("expected failure reason in status")
+	}
+}