Extract testPackageReference into new PackageIdentityTests file

Author: mattt

Tests/PackageGraphTests/RepositoryPackageContainerProviderTests.swift

@@ -140,23 +140,6 @@ private let v2: Version = "2.0.0"
 private let v1Range: VersionSetSpecifier = .range("1.0.0" ..< "2.0.0")
 
 class RepositoryPackageContainerProviderTests: XCTestCase {
-    func testPackageReference() {
-        func assertIdentity(_ url: String, _ identity: PackageIdentity, file: StaticString = #file, line: UInt = #line) {
-            let computedIdentity = PackageIdentity(url)
-            XCTAssertEqual(computedIdentity, identity, file: file, line: line)
-        }
-        assertIdentity("foo", PackageIdentity("foo"))
-        assertIdentity("/foo", PackageIdentity("foo"))
-        assertIdentity("/foo/bar", PackageIdentity("bar"))
-        assertIdentity("foo/bar", PackageIdentity("bar"))
-        assertIdentity("https://foo/bar/baz", PackageIdentity("baz"))
-        assertIdentity("[email protected]/foo/bar/baz", PackageIdentity("baz"))
-        assertIdentity("/path/to/foo/bar/baz/", PackageIdentity("baz"))
-        assertIdentity("https://foo/bar/baz.git", PackageIdentity("baz"))
-        assertIdentity("[email protected]/foo/bar/baz.git", PackageIdentity("baz"))
-        assertIdentity("/path/to/foo/bar/baz.git", PackageIdentity("baz"))
-    }
-
     func testVprefixVersions() throws {
         let fs = InMemoryFileSystem()
 

Tests/PackageModelTests/PackageIdentityTests.swift

@@ -0,0 +1,30 @@
+/*
+ This source file is part of the Swift.org open source project
+
+ Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
+ Licensed under Apache License v2.0 with Runtime Library Exception
+
+ See http://swift.org/LICENSE.txt for license information
+ See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+ */
+
+import XCTest
+
+import TSCBasic
+
+@testable import PackageModel
+
+final class LegacyPackageIdentityTests: XCTestCase {
+    func testPackageIdentityDescriptions() {
+        XCTAssertEqual(PackageIdentity("foo").description, "foo")
+        XCTAssertEqual(PackageIdentity("/foo").description, "foo")
+        XCTAssertEqual(PackageIdentity("/foo/bar").description, "bar")
+        XCTAssertEqual(PackageIdentity("foo/bar").description, "bar")
+        XCTAssertEqual(PackageIdentity("https://foo/bar/baz").description, "baz")
+        XCTAssertEqual(PackageIdentity("[email protected]/foo/bar/baz").description, "baz")
+        XCTAssertEqual(PackageIdentity("/path/to/foo/bar/baz/").description, "baz")
+        XCTAssertEqual(PackageIdentity("https://foo/bar/baz.git").description, "baz")
+        XCTAssertEqual(PackageIdentity("[email protected]/foo/bar/baz.git").description, "baz")
+        XCTAssertEqual(PackageIdentity("/path/to/foo/bar/baz.git").description, "baz")
+    }
+}