WIP charts2 parts 2

chart_empty_state_test.go

@@ -0,0 +1,61 @@
+package mujica
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func TestChartEmptyStateKeepsSizeAndRetries(t *testing.T) {
+	status := DataReady
+	retries, disabled := 0, false
+	var heights []float32
+	var el *ui.Element
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		ui.Column(c).Width(400).Disabled(disabled).Children(func() {
+			r := ChartEmptyState(c, status, ChartEmptyStateOptions{Height: 180, Empty: "No hymns this week", Error: "The choir did not answer"})
+			el = r.Element
+			if r.Changed() {
+				retries++
+			}
+		})
+	}, 440, 300)
+	heights = append(heights, el.Bounds().H)
+	if !tt.HasText("No hymns this week") {
+		t.Fatalf("empty: %q", tt.Texts())
+	}
+	status = DataLoading
+	tt.Frame()
+	heights = append(heights, el.Bounds().H)
+	if !tt.HasText("Loading") {
+		t.Fatalf("loading: %q", tt.Texts())
+	}
+	status = DataFailed
+	tt.Frame()
+	heights = append(heights, el.Bounds().H)
+	if err := tt.Click("Retry"); err != nil || retries != 1 || !tt.HasText("The choir did not answer") {
+		t.Fatalf("retry: %v %d", err, retries)
+	}
+	if heights[0] != 180 || heights[1] != 180 || heights[2] != 180 {
+		t.Fatalf("heights %v", heights)
+	}
+	disabled = true
+	tt.Frame()
+	_ = tt.Click("Retry")
+	if retries != 1 {
+		t.Fatal("disabled retry fired")
+	}
+}
+
+func TestChartEmptyStateSnapshot(t *testing.T) {
+	snapshot(t, "chart_empty_state", 640, 220, func(c *ui.Context) {
+		ui.Row(c).Padding(16).Gap(16).Children(func() {
+			for _, st := range []DataStatus{DataReady, DataLoading, DataFailed} {
+				ui.Column(c).Width(192).Border(1, Tokens(c).Border).Children(func() {
+					ChartEmptyState(c, st, ChartEmptyStateOptions{Height: 180})
+				})
+			}
+		})
+	})
+}