Files
ComfyUI_frontend/test/LGraphCanvas.titleButtons.test.ts

275 lines
8.3 KiB
TypeScript

import { beforeEach, describe, expect, it, vi } from "vitest"
import { LGraphCanvas } from "@/LGraphCanvas"
import { LGraphNode, LiteGraph } from "@/litegraph"
describe("LGraphCanvas Title Button Rendering", () => {
let canvas: LGraphCanvas
let ctx: CanvasRenderingContext2D
let node: LGraphNode
beforeEach(() => {
// Create a mock canvas element
const canvasElement = document.createElement("canvas")
ctx = {
save: vi.fn(),
restore: vi.fn(),
translate: vi.fn(),
scale: vi.fn(),
fillRect: vi.fn(),
strokeRect: vi.fn(),
fillText: vi.fn(),
measureText: vi.fn().mockReturnValue({ width: 50 }),
beginPath: vi.fn(),
moveTo: vi.fn(),
lineTo: vi.fn(),
stroke: vi.fn(),
fill: vi.fn(),
closePath: vi.fn(),
arc: vi.fn(),
rect: vi.fn(),
clip: vi.fn(),
clearRect: vi.fn(),
setTransform: vi.fn(),
roundRect: vi.fn(),
font: "",
fillStyle: "",
strokeStyle: "",
lineWidth: 1,
globalAlpha: 1,
textAlign: "left" as CanvasTextAlign,
textBaseline: "alphabetic" as CanvasTextBaseline,
} as unknown as CanvasRenderingContext2D
canvasElement.getContext = vi.fn().mockReturnValue(ctx)
canvas = new LGraphCanvas(canvasElement, null, {
skip_render: true,
skip_events: true,
})
node = new LGraphNode("Test Node")
node.pos = [100, 200]
node.size = [200, 100]
// Mock required methods
node.drawTitleBarBackground = vi.fn()
node.drawTitleBarText = vi.fn()
node.drawBadges = vi.fn()
node.drawToggles = vi.fn()
node.drawNodeShape = vi.fn()
node.drawSlots = vi.fn()
node.drawContent = vi.fn()
node.drawWidgets = vi.fn()
node.drawCollapsedSlots = vi.fn()
node.drawTitleBox = vi.fn()
node.drawTitleText = vi.fn()
node.drawProgressBar = vi.fn()
node._setConcreteSlots = vi.fn()
node.arrange = vi.fn()
node.isSelectable = vi.fn().mockReturnValue(true)
})
describe("drawNode title button rendering", () => {
it("should render visible title buttons", () => {
const button1 = node.addTitleButton({
name: "button1",
text: "A",
visible: true,
})
const button2 = node.addTitleButton({
name: "button2",
text: "B",
visible: true,
})
// Mock button methods
const getWidth1 = vi.fn().mockReturnValue(20)
const getWidth2 = vi.fn().mockReturnValue(25)
const draw1 = vi.spyOn(button1, "draw")
const draw2 = vi.spyOn(button2, "draw")
button1.getWidth = getWidth1
button2.getWidth = getWidth2
// Draw the node (this is a simplified version of what drawNode does)
canvas.drawNode(node, ctx)
// Verify both buttons' getWidth was called
expect(getWidth1).toHaveBeenCalledWith(ctx)
expect(getWidth2).toHaveBeenCalledWith(ctx)
// Verify both buttons were drawn
expect(draw1).toHaveBeenCalled()
expect(draw2).toHaveBeenCalled()
// Check draw positions (right-aligned from node width)
// First button (rightmost): 200 - 5 = 195, then subtract width
// Second button: first button position - 5 - button width
const titleHeight = LiteGraph.NODE_TITLE_HEIGHT
const buttonY = -titleHeight + (titleHeight - 20) / 2 // Centered
expect(draw1).toHaveBeenCalledWith(ctx, 180, buttonY) // 200 - 20
expect(draw2).toHaveBeenCalledWith(ctx, 153, buttonY) // 180 - 2 - 25
})
it("should skip invisible title buttons", () => {
const visibleButton = node.addTitleButton({
name: "visible",
text: "V",
visible: true,
})
const invisibleButton = node.addTitleButton({
name: "invisible",
text: "", // Empty text makes it invisible
})
const getWidthVisible = vi.fn().mockReturnValue(30)
const getWidthInvisible = vi.fn().mockReturnValue(30)
const drawVisible = vi.spyOn(visibleButton, "draw")
const drawInvisible = vi.spyOn(invisibleButton, "draw")
visibleButton.getWidth = getWidthVisible
invisibleButton.getWidth = getWidthInvisible
canvas.drawNode(node, ctx)
// Only visible button should be measured and drawn
expect(getWidthVisible).toHaveBeenCalledWith(ctx)
expect(getWidthInvisible).not.toHaveBeenCalled()
expect(drawVisible).toHaveBeenCalled()
expect(drawInvisible).not.toHaveBeenCalled()
})
it("should handle nodes without title buttons", () => {
// Node has no title buttons
expect(node.title_buttons).toHaveLength(0)
// Should draw without errors
expect(() => canvas.drawNode(node, ctx)).not.toThrow()
})
it("should position multiple buttons with correct spacing", () => {
const buttons = []
const drawSpies = []
// Add 3 buttons
for (let i = 0; i < 3; i++) {
const button = node.addTitleButton({
name: `button${i}`,
text: String(i),
visible: true,
})
button.getWidth = vi.fn().mockReturnValue(15) // All same width for simplicity
const spy = vi.spyOn(button, "draw")
buttons.push(button)
drawSpies.push(spy)
}
canvas.drawNode(node, ctx)
const titleHeight = LiteGraph.NODE_TITLE_HEIGHT
// Check positions are correctly spaced (right to left)
// Starting position: 200
const buttonY = -titleHeight + (titleHeight - 20) / 2 // Button height is 20 (default)
expect(drawSpies[0]).toHaveBeenCalledWith(ctx, 185, buttonY) // 200 - 15
expect(drawSpies[1]).toHaveBeenCalledWith(ctx, 168, buttonY) // 185 - 2 - 15
expect(drawSpies[2]).toHaveBeenCalledWith(ctx, 151, buttonY) // 168 - 2 - 15
})
it("should render buttons in low quality mode", () => {
const button = node.addTitleButton({
name: "test",
text: "T",
visible: true,
})
button.getWidth = vi.fn().mockReturnValue(20)
const drawSpy = vi.spyOn(button, "draw")
// Set low quality rendering
canvas.lowQualityRenderingRequired = true
canvas.drawNode(node, ctx)
// Buttons should still be rendered in low quality mode
const buttonY = -LiteGraph.NODE_TITLE_HEIGHT + (LiteGraph.NODE_TITLE_HEIGHT - 20) / 2
expect(drawSpy).toHaveBeenCalledWith(ctx, 180, buttonY)
})
it("should handle buttons with different widths", () => {
const smallButton = node.addTitleButton({
name: "small",
text: "S",
visible: true,
})
const largeButton = node.addTitleButton({
name: "large",
text: "LARGE",
visible: true,
})
smallButton.getWidth = vi.fn().mockReturnValue(15)
largeButton.getWidth = vi.fn().mockReturnValue(50)
const drawSmall = vi.spyOn(smallButton, "draw")
const drawLarge = vi.spyOn(largeButton, "draw")
canvas.drawNode(node, ctx)
const titleHeight = LiteGraph.NODE_TITLE_HEIGHT
// Small button (rightmost): 200 - 15 = 185
const buttonY = -titleHeight + (titleHeight - 20) / 2
expect(drawSmall).toHaveBeenCalledWith(ctx, 185, buttonY)
// Large button: 185 - 2 - 50 = 133
expect(drawLarge).toHaveBeenCalledWith(ctx, 133, buttonY)
})
})
describe("Integration with node properties", () => {
it("should respect node size for button positioning", () => {
node.size = [300, 150] // Wider node
const button = node.addTitleButton({
name: "test",
text: "X",
visible: true,
})
button.getWidth = vi.fn().mockReturnValue(20)
const drawSpy = vi.spyOn(button, "draw")
canvas.drawNode(node, ctx)
const titleHeight = LiteGraph.NODE_TITLE_HEIGHT
// Should use new width: 300 - 20 = 280
const buttonY = -titleHeight + (titleHeight - 20) / 2
expect(drawSpy).toHaveBeenCalledWith(ctx, 280, buttonY)
})
it("should NOT render buttons on collapsed nodes", () => {
node.flags.collapsed = true
const button = node.addTitleButton({
name: "test",
text: "C",
})
button.getWidth = vi.fn().mockReturnValue(20)
const drawSpy = vi.spyOn(button, "draw")
canvas.drawNode(node, ctx)
// Title buttons should NOT be rendered on collapsed nodes
expect(drawSpy).not.toHaveBeenCalled()
expect(button.getWidth).not.toHaveBeenCalled()
})
})
})