40 lines
1.3 KiB
Swift
40 lines
1.3 KiB
Swift
import SwiftSyntax
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struct PreferNimbleRule: SwiftSyntaxRule, OptInRule, ConfigurationProviderRule {
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var configuration = SeverityConfiguration<Self>(.warning)
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static let description = RuleDescription(
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identifier: "prefer_nimble",
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name: "Prefer Nimble",
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description: "Prefer Nimble matchers over XCTAssert functions",
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kind: .idiomatic,
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nonTriggeringExamples: [
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Example("expect(foo) == 1"),
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Example("expect(foo).to(equal(1))")
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],
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triggeringExamples: [
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Example("↓XCTAssertTrue(foo)"),
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Example("↓XCTAssertEqual(foo, 2)"),
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Example("↓XCTAssertNotEqual(foo, 2)"),
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Example("↓XCTAssertNil(foo)"),
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Example("↓XCTAssert(foo)"),
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Example("↓XCTAssertGreaterThan(foo, 10)")
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]
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)
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func makeVisitor(file: SwiftLintFile) -> ViolationsSyntaxVisitor {
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Visitor(viewMode: .sourceAccurate)
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}
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}
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private extension PreferNimbleRule {
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final class Visitor: ViolationsSyntaxVisitor {
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override func visitPost(_ node: FunctionCallExprSyntax) {
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if let expr = node.calledExpression.as(IdentifierExprSyntax.self),
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expr.identifier.text.starts(with: "XCTAssert") {
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violations.append(node.positionAfterSkippingLeadingTrivia)
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}
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}
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}
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}
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