Genarrative/src/components/image-editor/ImageCanvasTopbarView.test.tsx

/* @vitest-environment jsdom */

import { fireEvent, render, screen } from '@testing-library/react';
import { describe, expect, it, vi } from 'vitest';

import type { CanvasLayer } from './ImageCanvasEditorTypes';
import { ImageCanvasTopbarView } from './ImageCanvasTopbarView';

function createLayer(overrides: Partial<CanvasLayer> = {}): CanvasLayer {
  const id = overrides.id ?? 'layer-a';
  return {
    id,
    resourceId: `resource-${id}`,
    title: id,
    src: `data:image/png;base64,${id}`,
    x: 0,
    y: 0,
    width: 320,
    height: 180,
    originalWidth: 320,
    originalHeight: 180,
    zIndex: 1,
    sourceType: 'uploaded',
    ...overrides,
  };
}

function renderTopbar(
  overrides: Partial<
    Parameters<typeof ImageCanvasTopbarView>[0]
  > = {},
) {
  const props: Parameters<typeof ImageCanvasTopbarView>[0] = {
    projectId: 'project-a',
    projectTitle: '默认项目',
    projectRenameValue: '默认项目',
    isRenamingProject: false,
    isProjectRenameSaving: false,
    projectRenameError: null,
    layers: [],
    assetExportStatus: null,
    isExportingAssets: false,
    setProjectRenameValue: vi.fn(),
    startProjectRename: vi.fn(),
    cancelProjectRename: vi.fn(),
    submitProjectRename: vi.fn(),
    resetProjectRenameError: vi.fn(),
    exportCanvasAssets: vi.fn(),
    ...overrides,
  };

  render(<ImageCanvasTopbarView {...props} />);

  return props;
}

describe('ImageCanvasTopbarView', () => {
  it('shows the project title and project gallery link', () => {
    const props = renderTopbar();

    expect(screen.getByRole('heading', { name: '默认项目' })).toBeTruthy();
    expect(
      screen.getByRole('link', { name: '返回项目页面' }).getAttribute('href'),
    ).toBe('/project');

    fireEvent.click(screen.getByRole('button', { name: '编辑项目名称' }));

    expect(props.startProjectRename).toHaveBeenCalledTimes(1);
  });

  it('submits, resets, and cancels project rename edits', () => {
    const props = renderTopbar({
      isRenamingProject: true,
      projectRenameValue: '草稿项目',
      projectRenameError: '项目名称不能为空',
    });

    const input = screen.getByLabelText('项目名称');
    fireEvent.change(input, { target: { value: '新项目' } });
    fireEvent.click(screen.getByRole('button', { name: '保存项目名称' }));

    expect(props.setProjectRenameValue).toHaveBeenCalledWith('新项目');
    expect(props.resetProjectRenameError).toHaveBeenCalledTimes(1);
    expect(props.submitProjectRename).toHaveBeenCalledWith('project-a');
    expect(screen.getByRole('alert').textContent).toBe('项目名称不能为空');

    fireEvent.keyDown(input, { key: 'Escape' });

    expect(props.cancelProjectRename).toHaveBeenCalledTimes(1);
  });

  it('exports only when canvas has exportable layers and shows export status', () => {
    const exportCanvasAssets = vi.fn();
    const { rerender } = render(
      <ImageCanvasTopbarView
        projectId="project-a"
        projectTitle="默认项目"
        projectRenameValue="默认项目"
        isRenamingProject={false}
        isProjectRenameSaving={false}
        projectRenameError={null}
        layers={[]}
        assetExportStatus={null}
        isExportingAssets={false}
        setProjectRenameValue={vi.fn()}
        startProjectRename={vi.fn()}
        cancelProjectRename={vi.fn()}
        submitProjectRename={vi.fn()}
        resetProjectRenameError={vi.fn()}
        exportCanvasAssets={exportCanvasAssets}
      />,
    );

    expect(
      (screen.getByRole('button', { name: '下载画布素材' }) as HTMLButtonElement)
        .disabled,
    ).toBe(true);

    rerender(
      <ImageCanvasTopbarView
        projectId="project-a"
        projectTitle="默认项目"
        projectRenameValue="默认项目"
        isRenamingProject={false}
        isProjectRenameSaving={false}
        projectRenameError={null}
        layers={[createLayer()]}
        assetExportStatus={{
          tone: 'success',
          message: '画布素材已导出',
        }}
        isExportingAssets={false}
        setProjectRenameValue={vi.fn()}
        startProjectRename={vi.fn()}
        cancelProjectRename={vi.fn()}
        submitProjectRename={vi.fn()}
        resetProjectRenameError={vi.fn()}
        exportCanvasAssets={exportCanvasAssets}
      />,
    );

    fireEvent.click(screen.getByRole('button', { name: '下载画布素材' }));

    expect(exportCanvasAssets).toHaveBeenCalledTimes(1);
    expect(screen.getByRole('status').textContent).toBe('画布素材已导出');
  });
});