Adds tests for TecoPackageGenerator

Author: stevapple

Package.swift

@@ -93,5 +93,11 @@ let package = Package(
                 .byName(name: "TecoCodeGeneratorTestHelpers"),
                 .byName(name: "TecoCommonErrorGenerator"),
             ]),
+        .testTarget(
+            name: "TecoPackageGeneratorTests",
+            dependencies: [
+                .byName(name: "TecoCodeGeneratorTestHelpers"),
+                .byName(name: "TecoPackageGenerator"),
+            ]),
     ]
 )

Tests/TecoPackageGeneratorTests/TecoPackageGeneratorTests.swift

@@ -0,0 +1,48 @@
+import TecoCodeGeneratorTestHelpers
+import XCTest
+
+#if Xcode // Works around FB11980900
+@testable import teco_package_generator
+#else
+@testable import TecoPackageGenerator
+#endif
+
+final class TecoPackageGeneratorTests: XCTestCase {
+    private let services: [(service: String, version: String)] = [
+        ("Aa", "V20200224"), ("Ams", "V20200608"), ("Ams", "V20201229"),
+    ]
+
+    func testProductExprBuilder() {
+        AssertBuilder(buildProductExpr(name: "TecoDemo"), """
+            .library(name: "TecoDemo", targets: ["TecoDemo"])
+            """)
+        AssertBuilder(buildProductExpr(name: "TecoDemo", trailingComma: true), """
+            .library(name: "TecoDemo", targets: ["TecoDemo"]),
+            """)
+    }
+
+    func testProductExprListBuilder() {
+        AssertBuilder(buildProductListExpr(for: services), contains: [
+            #"    .library(name: "TecoAaV20200224", targets: ["TecoAaV20200224"]),"#,
+            #"    .library(name: "TecoAmsV20200608", targets: ["TecoAmsV20200608"]),"#,
+            #"    .library(name: "TecoAmsV20201229", targets: ["TecoAmsV20201229"]),"#,
+        ])
+    }
+
+    func testTargetExprBuilder() {
+        AssertBuilder(buildTargetExpr(name: "TecoDemo", path: "./Demo"), """
+            .target(name: "TecoDemo", dependencies: [.product(name: "TecoCore", package: "teco-core")], path: "./Demo")
+            """)
+        AssertBuilder(buildTargetExpr(name: "TecoDemo", path: "./Demo", trailingComma: true), """
+            .target(name: "TecoDemo", dependencies: [.product(name: "TecoCore", package: "teco-core")], path: "./Demo"),
+            """)
+    }
+
+    func testTargetExprListBuilder() {
+        AssertBuilder(buildTargetListExpr(for: services), contains: [
+            #"    .target(name: "TecoAaV20200224", dependencies: [.product(name: "TecoCore", package: "teco-core")], path: "./Sources/Teco/Aa/V20200224"),"#,
+            #"    .target(name: "TecoAmsV20201229", dependencies: [.product(name: "TecoCore", package: "teco-core")], path: "./Sources/Teco/Ams/V20201229"),"#,
+            #"    .target(name: "TecoAmsV20200608", dependencies: [.product(name: "TecoCore", package: "teco-core")], path: "./Sources/Teco/Ams/V20200608"),"#,
+        ])
+    }
+}