/
Block.test.tsx
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/
Block.test.tsx
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/**
* @license
* Copyright 2018-2022 Streamlit Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import React from "react"
import { Block as BlockProto } from "src/autogen/proto"
import { mount } from "src/lib/test_util"
import { BlockNode } from "src/lib/AppNode"
import { ScriptRunState } from "src/lib/ScriptRunState"
import VerticalBlock from "./Block"
function makeColumn(weight: number, children: BlockNode[] = []): BlockNode {
return new BlockNode(
children,
new BlockProto({ allowEmpty: true, column: { weight } })
)
}
function makeHorizontalBlock(numColumns: number): BlockNode {
const weight = 1 / numColumns
return new BlockNode(
Array.from({ length: numColumns }, () => makeColumn(weight)),
new BlockProto({ allowEmpty: true, horizontal: { gap: "small" } })
)
}
function makeVerticalBlock(children: BlockNode[] = []): BlockNode {
return new BlockNode(children, new BlockProto({ allowEmpty: true }))
}
describe("Vertical Block Component", () => {
it("should render a horizontal block with empty columns", () => {
const block: BlockNode = makeVerticalBlock([makeHorizontalBlock(4)])
const wrapper = mount(
<VerticalBlock
node={block}
scriptRunId={""}
scriptRunState={ScriptRunState.NOT_RUNNING}
widgetsDisabled={false}
// @ts-ignore
widgetMgr={undefined}
// @ts-ignore
uploadClient={undefined}
// @ts-ignore
componentRegistry={undefined}
// @ts-ignore
formsData={undefined}
/>
)
expect(wrapper.find("StyledColumn")).toHaveLength(4)
})
})