90 lines
4.3 KiB
Swift
90 lines
4.3 KiB
Swift
@testable import SwiftLintFramework
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import XCTest
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private func funcWithBody(_ body: String,
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violates: Bool = false,
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file: StaticString = #file,
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line: UInt = #line) -> Example {
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let marker = violates ? "↓" : ""
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return Example("func \(marker)abc() {\n\(body)}\n", file: file, line: line)
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}
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private func violatingFuncWithBody(_ body: String, file: StaticString = #file, line: UInt = #line) -> Example {
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return funcWithBody(body, violates: true, file: file, line: line)
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}
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class FunctionBodyLengthRuleTests: XCTestCase {
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func testFunctionBodyLengths() {
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let longFunctionBody = funcWithBody(repeatElement("x = 0\n", count: 49).joined())
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XCTAssertEqual(self.violations(longFunctionBody), [])
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let longerFunctionBody = violatingFuncWithBody(repeatElement("x = 0\n", count: 51).joined())
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XCTAssertEqual(self.violations(longerFunctionBody), [StyleViolation(
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ruleDescription: FunctionBodyLengthRule.description,
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location: Location(file: nil, line: 1, character: 6),
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reason: "Function body should span 50 lines or less excluding comments and " +
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"whitespace: currently spans 51 lines")])
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let longerFunctionBodyWithEmptyLines = funcWithBody(
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repeatElement("\n", count: 100).joined()
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)
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XCTAssertEqual(self.violations(longerFunctionBodyWithEmptyLines), [])
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}
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func testFunctionBodyLengthsWithComments() {
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let longFunctionBodyWithComments = funcWithBody(
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repeatElement("x = 0\n", count: 49).joined() +
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"// comment only line should be ignored.\n"
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)
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XCTAssertEqual(violations(longFunctionBodyWithComments), [])
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let longerFunctionBodyWithComments = violatingFuncWithBody(
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repeatElement("x = 0\n", count: 51).joined() +
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"// comment only line should be ignored.\n"
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)
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XCTAssertEqual(self.violations(longerFunctionBodyWithComments), [StyleViolation(
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ruleDescription: FunctionBodyLengthRule.description,
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location: Location(file: nil, line: 1, character: 6),
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reason: "Function body should span 50 lines or less excluding comments and " +
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"whitespace: currently spans 51 lines")])
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}
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func testFunctionBodyLengthsWithMultilineComments() {
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let longFunctionBodyWithMultilineComments = funcWithBody(
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repeatElement("x = 0\n", count: 49).joined() +
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"/* multi line comment only line should be ignored.\n*/\n"
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)
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XCTAssertEqual(self.violations(longFunctionBodyWithMultilineComments), [])
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let longerFunctionBodyWithMultilineComments = violatingFuncWithBody(
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repeatElement("x = 0\n", count: 51).joined() +
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"/* multi line comment only line should be ignored.\n*/\n"
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)
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XCTAssertEqual(self.violations(longerFunctionBodyWithMultilineComments), [StyleViolation(
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ruleDescription: FunctionBodyLengthRule.description,
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location: Location(file: nil, line: 1, character: 6),
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reason: "Function body should span 50 lines or less excluding comments and " +
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"whitespace: currently spans 51 lines")])
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}
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func testConfiguration() {
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let function = violatingFuncWithBody(repeatElement("x = 0\n", count: 10).joined())
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XCTAssertEqual(self.violations(function, configuration: ["warning": 12]).count, 0)
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XCTAssertEqual(self.violations(function, configuration: ["warning": 12, "error": 14]).count, 0)
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XCTAssertEqual(
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self.violations(function, configuration: ["warning": 8]).map(\.reason),
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["Function body should span 8 lines or less excluding comments and whitespace: currently spans 10 lines"]
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)
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XCTAssertEqual(
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self.violations(function, configuration: ["warning": 12, "error": 8]).map(\.reason),
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["Function body should span 8 lines or less excluding comments and whitespace: currently spans 10 lines"]
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)
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}
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private func violations(_ example: Example, configuration: Any? = nil) -> [StyleViolation] {
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let config = makeConfig(configuration, FunctionBodyLengthRule.description.identifier)!
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return SwiftLintFrameworkTests.violations(example, config: config)
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}
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}
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