wip-devtools

json_viewer_test.go

@@ -0,0 +1,119 @@
+package mujica
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+const jsonSample = `{"ball":{"hall":"east wing","guests":[{"name":"Sakiko","seat":1},{"name":"Uika","seat":2}],"wine":null},"open":true,"two words":3.5}`
+
+func jsonViewerTester(data *string, s *JsonViewerState, opts JsonViewerOptions, copied *[]string) *ui.Tester {
+	return ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		if r := JsonViewer(c, *data, s, opts); r.Copied != "" {
+			*copied = append(*copied, r.Copied)
+		}
+	}, 640, 460)
+}
+
+func TestJsonTreePaths(t *testing.T) {
+	tr, err := parseJSONTree(jsonSample)
+	if err != nil {
+		t.Fatal(err)
+	}
+	var paths []string
+	for _, n := range tr.nodes {
+		paths = append(paths, n.path)
+	}
+	want := `$ $.ball $.ball.hall $.ball.guests $.ball.guests[0] $.ball.guests[0].name $.ball.guests[0].seat $.ball.guests[1] $.ball.guests[1].name $.ball.guests[1].seat $.ball.wine $.open $["two words"]`
+	if strings.Join(paths, " ") != want {
+		t.Fatalf("paths %v", paths)
+	}
+	if tr.nodes[3].count != 2 || tr.nodes[3].end != 10 {
+		t.Fatalf("guests node %+v", tr.nodes[3])
+	}
+	if _, err := parseJSONTree(`{"a":1} x`); err == nil {
+		t.Fatal("trailing data accepted")
+	}
+}
+
+func TestJsonViewerFoldKeyboardCopy(t *testing.T) {
+	data := jsonSample
+	var s JsonViewerState
+	var copied []string
+	tt := jsonViewerTester(&data, &s, JsonViewerOptions{}, &copied)
+	if !tt.HasText("ball: { 3 items }") || tt.HasText(`hall: "east wing"`) {
+		t.Fatalf("closed: %q", tt.Texts())
+	}
+	_ = tt.Click("$.ball") // its fold mark
+	if !tt.HasText(`hall: "east wing"`) || !tt.HasText("guests: [ 2 items ]") {
+		t.Fatalf("open: %q", tt.Texts())
+	}
+	_ = tt.Click(`hall: "east wing"`)
+	_ = tt.Click("Copy path")
+	if len(copied) != 1 || copied[0] != "$.ball.hall" || tt.Clipboard() != "$.ball.hall" {
+		t.Fatalf("copy: %v", copied)
+	}
+	_ = tt.Click(`hall: "east wing"`) // back on the list
+	tt.Key(0, ui.KeyDown)             // guests
+	tt.Key(0, ui.KeyRight)
+	if !tt.HasText("[0]: { 2 items }") && !tt.HasText("{ 2 items }") {
+		t.Fatalf("Right did not open guests: %q", tt.Texts())
+	}
+	tt.Key(0, ui.KeyLeft)
+	if tt.HasText("{ 2 items }") {
+		t.Fatal("Left did not close guests")
+	}
+}
+
+func TestJsonViewerSearchOpensMatches(t *testing.T) {
+	data := jsonSample
+	var s JsonViewerState
+	var copied []string
+	tt := jsonViewerTester(&data, &s, JsonViewerOptions{}, &copied)
+	_ = tt.Click("Find")
+	tt.Type("uika")
+	if !tt.HasText("1 of 1") || !tt.HasText("$.ball.guests[1].name") {
+		t.Fatalf("search: %q", tt.Texts())
+	}
+	data = `{"broken": }`
+	tt.Frame()
+	found := false
+	for _, x := range tt.Texts() {
+		found = found || strings.HasPrefix(x, "Invalid JSON")
+	}
+	if !found {
+		t.Fatalf("parse error: %q", tt.Texts())
+	}
+}
+
+func TestJsonViewerLargeDocumentVirtualized(t *testing.T) {
+	var b strings.Builder
+	b.WriteString("[")
+	for i := range 100000 {
+		if i > 0 {
+			b.WriteString(",")
+		}
+		fmt.Fprintf(&b, "%d", i)
+	}
+	b.WriteString("]")
+	data := b.String()
+	var s JsonViewerState
+	var copied []string
+	tt := jsonViewerTester(&data, &s, JsonViewerOptions{Expanded: true}, &copied)
+	if n := len(tt.Texts()); n > 300 {
+		t.Fatalf("%d texts for 100000 items", n)
+	}
+}
+
+func TestJsonViewerSnapshot(t *testing.T) {
+	snapshot(t, "json_viewer", 600, 360, func(c *ui.Context) {
+		var s JsonViewerState
+		ui.Column(c).Padding(16).Children(func() {
+			JsonViewer(c, jsonSample, &s, JsonViewerOptions{Expanded: true, Height: 320})
+		})
+	})
+}