DangerSwiftCoverage

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Show the coverage of the modified/created files on your PRs.

danger danger-plugin swift danger-swift testing test test-driven-development tools coverage xcodebuild xcodeproj spm swift-package-manager

DangerSwiftCoverage

Danger-Swift plugin to show the coverage of the modified/created files.

Getting Started

Install DangerSwiftCoverage

Swift Package Manager (More performant)

You can use a "full SPM" solution to install both danger-swift and DangerSwiftCoverage.

Add to your Package.swift:

let package = Package(
    ...
    products: [
        ...
        .library(name: "DangerDeps", type: .dynamic, targets: ["DangerDependencies"]), // dev
        ...
    ],
    dependencies: [
        ...
        // Danger Plugins
        .package(url: "https://github.com/f-meloni/danger-swift-coverage", from: "0.1.0") // dev
        ...
    ],
    targets: [
        .target(name: "DangerDependencies", dependencies: ["Danger", "DangerSwiftCoverage"]), // dev
        ...
    ]
)

Add the correct import to your Dangerfile.swift:

import DangerSwiftCoverage

Coverage.xcodeBuildCoverage(.derivedDataFolder("Build"), 
                            minimumCoverage: 50, 
                            excludedTargets: ["DangerSwiftCoverageTests.xctest"])

Create a folder called DangerDependencies on Sources with an empty file inside like Fake.swift
To run Danger use swift run danger-swift command
(Recommended) If you are using SPM to distribute your framework, use Rocket, or similar to comment out all the dev depencencies from your Package.swift. This prevents the dev dependencies to be downloaded and compiled with your framework.

Marathon

Add this to your Dangerfile.swift

import DangerSwiftCoverage // package: https://github.com/f-meloni/danger-swift-coverage.git

Coverage.xcodeBuildCoverage(.derivedDataFolder("Build"), 
                            minimumCoverage: 50, 
                            excludedTargets: ["DangerSwiftCoverageTests.xctest"])

(Recommended) Cache the ~/.danger-swift folder

Gather Coverage

Enable "Gather the Coverage" on Xcode

or, on your CI, execute:

xcodebuild test -scheme DangerSwiftCoverage-Package -derivedDataPath Build/ -enableCodeCoverage YES

Custom XCResultBundle path

If you are using the -resultBundlePath parameter on xcodebuild you will need to use:

Coverage.xcodeBuildCoverage(.xcresultBundle("Build/bundlePath.xcresult"), 
                            minimumCoverage: 50, 
                            excludedTargets: ["DangerSwiftCoverageTests.xctest"])

Swift Package Manager

From Swift 5.0 you can gather the coverage from SPM with the --enable-code-coverage=true flag For SPM coverage add to your Dangerfile:

Coverage.spmCoverage(minimumCoverage: 50)

License

This project is licensed under the terms of the MIT license. See the LICENSE file.

Description

Swift Tools 5.1.0

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Dependencies

Last updated: Wed Jun 11 2025 08:08:21 GMT-0900 (Hawaii-Aleutian Daylight Time)