mirror of
https://github.com/yonaskolb/XcodeGen.git
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Andrew Reach
cd55bfbdfe
Once a difference in path components between base and self has been encountered, it is no longer valid to skip over common components.
69 lines
3.3 KiB
Swift
69 lines
3.3 KiB
Swift
import Spectre
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import PathKit
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import XCTest
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import Core
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import TestSupport
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class PathExtensionsTests: XCTestCase {
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func testPathRelativeToPath() {
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func relativePath(to path: String, from base: String) throws -> String {
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try Path(path).relativePath(from: Path(base)).string
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}
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// These are based on ruby's tests for Pathname#relative_path_from:
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// https://github.com/ruby/ruby/blob/7c2bbd1c7d40a30583844d649045824161772e36/test/pathname/test_pathname.rb#L297
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describe {
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$0.it("resolves single-level paths") {
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try expect(relativePath(to: "a", from: "b")) == "../a"
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try expect(relativePath(to: "a", from: "b/")) == "../a"
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try expect(relativePath(to: "a/", from: "b")) == "../a"
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try expect(relativePath(to: "a/", from: "b/")) == "../a"
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try expect(relativePath(to: "/a", from: "/b")) == "../a"
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try expect(relativePath(to: "/a", from: "/b/")) == "../a"
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try expect(relativePath(to: "/a/", from: "/b")) == "../a"
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try expect(relativePath(to: "/a/", from: "/b/")) == "../a"
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}
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$0.it("resolves paths with a common parent") {
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try expect(relativePath(to: "a/b", from: "a/c")) == "../b"
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try expect(relativePath(to: "../a", from: "../b")) == "../a"
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}
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$0.it("resolves dot paths") {
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try expect(relativePath(to: "a", from: ".")) == "a"
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try expect(relativePath(to: ".", from: "a")) == ".."
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try expect(relativePath(to: ".", from: ".")) == "."
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try expect(relativePath(to: "..", from: "..")) == "."
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try expect(relativePath(to: "..", from: ".")) == ".."
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}
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$0.it("resolves multi-level paths") {
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try expect(relativePath(to: "/a/b/c/d", from: "/a/b")) == "c/d"
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try expect(relativePath(to: "/a/b", from: "/a/b/c/d")) == "../.."
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try expect(relativePath(to: "/e", from: "/a/b/c/d")) == "../../../../e"
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try expect(relativePath(to: "a/b/c", from: "a/d")) == "../b/c"
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try expect(relativePath(to: "/../a", from: "/b")) == "../a"
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try expect(relativePath(to: "../a", from: "b")) == "../../a"
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try expect(relativePath(to: "/a/../../b", from: "/b")) == "."
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try expect(relativePath(to: "a/..", from: "a")) == ".."
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try expect(relativePath(to: "a/../b", from: "b")) == "."
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try expect(relativePath(to: "/a/c", from: "/a/b/c")) == "../../c"
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}
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$0.it("backtracks on a non-normalized base path") {
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try expect(relativePath(to: "a", from: "b/..")) == "a"
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try expect(relativePath(to: "b/c", from: "b/..")) == "b/c"
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}
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$0.it("throws when given unresolvable paths") {
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try expect(relativePath(to: "/", from: ".")).toThrow()
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try expect(relativePath(to: ".", from: "/")).toThrow()
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try expect(relativePath(to: "a", from: "..")).toThrow()
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try expect(relativePath(to: ".", from: "..")).toThrow()
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try expect(relativePath(to: "a", from: "b/../..")).toThrow()
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}
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}
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}
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}
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