Data: components 069-080

statistic_test.go

@@ -0,0 +1,81 @@
+package mujica
+
+import (
+	"math"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func TestStatisticFormat(t *testing.T) {
+	for _, tc := range []struct {
+		v    float64
+		p    int
+		want string
+	}{
+		{1234567.891, 2, "1,234,567.89"},
+		{999, 0, "999"},
+		{1000, 0, "1,000"},
+		{-42.5, 1, "−42.5"},
+		{-0.001, 1, "0.0"},
+		{0, 3, "0.000"},
+		{math.Inf(1), 0, "+Inf"},
+	} {
+		if got := statisticFormat(tc.v, tc.p); got != tc.want {
+			t.Errorf("format(%v, %d) = %q, want %q", tc.v, tc.p, got, tc.want)
+		}
+	}
+}
+
+func TestStatisticChange(t *testing.T) {
+	for _, tc := range []struct {
+		change float64
+		text   string
+		word   string
+	}{{3.26, "+3.3%", "up"}, {-1.5, "−1.5%", "down"}, {0, "0.0%", "unchanged"}} {
+		ch := tc.change
+		tt := ui.NewTester(func(c *ui.Context) {
+			Use(c, Settings{})
+			Statistic(c, 12840, StatisticOptions{Title: "Pilgrims", Prefix: "≈", Unit: "souls", Precision: 1, Change: &ch, ChangeUnit: "%", ChangeNote: "vs last feast"})
+		}, 400, 200)
+		for _, s := range []string{"Pilgrims", "≈12,840.0", "souls", tc.text, "vs last feast"} {
+			if !tt.HasText(s) {
+				t.Fatalf("%v: missing %q in %q", tc.change, s, tt.Texts())
+			}
+		}
+		want := "Pilgrims ≈12,840.0 souls, " + tc.word + " " + tc.text
+		if _, ok := tt.Find(want); !ok {
+			t.Fatalf("spoken label %q missing", want)
+		}
+	}
+}
+
+func TestStatisticCustomFormatAndBadPrecision(t *testing.T) {
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		Statistic(c, 0.5, StatisticOptions{Format: func(v float64) string { return "half" }})
+	}, 200, 100)
+	if !tt.HasText("half") {
+		t.Fatalf("custom format: %q", tt.Texts())
+	}
+	defer func() {
+		if recover() == nil {
+			t.Fatal("no panic")
+		}
+	}()
+	ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		Statistic(c, 1, StatisticOptions{Precision: -1})
+	}, 100, 100)
+}
+
+func TestStatisticSnapshot(t *testing.T) {
+	up, down := 12.5, -3.0
+	snapshot(t, "statistic", 560, 140, func(c *ui.Context) {
+		ui.Row(c).Padding(20).Gap(40).AlignItems(ui.Start).Children(func() {
+			Statistic(c, 12840, StatisticOptions{Title: "Pilgrims", Unit: "souls", Change: &up, ChangeUnit: "%", Precision: 1, ChangeNote: "vs last feast"})
+			Statistic(c, 3.75, StatisticOptions{Title: "Tithe", Prefix: "£", Precision: 2, Change: &down, ChangeUnit: "%"})
+			Statistic(c, 7, StatisticOptions{Title: "Bells"})
+		})
+	})
+}