28 lines
1002 B
TypeScript
28 lines
1002 B
TypeScript
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import { getNodePathFromSourceRange } from './abstractSyntaxTree'
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import { lexer } from './tokeniser'
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import { abstractSyntaxTree, getNodeFromPath } from './abstractSyntaxTree'
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describe('testing getNodePathFromSourceRange', () => {
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it('test it gets the right path for a `lineTo` CallExpression within a SketchExpression', () => {
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const code = `
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const myVar = 5
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sketch sk3 {
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lineTo(1, 2)
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path yo = lineTo(3, 4)
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close()
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}
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`
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const subStr = 'lineTo(3, 4)'
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const lineToSubstringIndex = code.indexOf(subStr)
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const sourceRange: [number, number] = [lineToSubstringIndex, lineToSubstringIndex + subStr.length]
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const ast = abstractSyntaxTree(lexer(code))
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const nodePath = getNodePathFromSourceRange(ast, sourceRange)
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const node = getNodeFromPath(ast, nodePath)
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expect([node.start, node.end]).toEqual(sourceRange)
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expect(node.type).toBe('CallExpression')
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})
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})
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