Remove index fixture (#65)

We can generate one of these in the bazel build. Primarily doing this
just in case the format changes since what we care about is the current
version of the code can read the current version of the index store, we
don't care if the old version still works.

Signed-off-by: Keith Smiley <[email protected]>

Package.swift

@@ -49,7 +49,7 @@ let package = Package(
     targets: [
         .target(name: "CIndexStore"),
         .target(name: "IndexStore", dependencies: ["CIndexStore"], linkerSettings: indexLinkerSettings),
-        .testTarget(name: "IndexStoreTests", dependencies: ["IndexStore"], exclude: ["BUILD", "Data"]),
+        .testTarget(name: "IndexStoreTests", dependencies: ["IndexStore"], exclude: ["BUILD"]),
         .target(
             name: "CSwiftDemangle",
             cxxSettings: [.headerSearchPath("PrivateHeaders/include")],

Tests/IndexStoreTests/BUILD

@@ -1,14 +1,26 @@
-load("@build_bazel_rules_swift//swift:swift.bzl", "swift_test")
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_library", "swift_test")
+
+swift_library(
+    name = "dummy",
+    testonly = True,
+    srcs = ["dummy.swift"],
+    features = ["swift.index_while_building"],
+)
+
+filegroup(
+    name = "dummy-index",
+    testonly = True,
+    srcs = [":dummy"],
+    output_group = "swift_index_store",
+)
 
 swift_test(
     name = "IndexStoreTests",
     srcs = [
         "DetermineIndexStorePath.swift",
         "IndexStoreTests.swift",
     ],
-    data = glob([
-        "Data/**",
-    ]),
+    data = [":dummy-index"],
     deps = [
         "//:IndexStore",
     ],

Tests/IndexStoreTests/DetermineIndexStorePath.swift

@@ -10,7 +10,7 @@ import Foundation
 /// - Returns: Index store path for the current test environment
 func determineIndexStorePath() -> String {
     if let testSrcDir: String = ProcessInfo.processInfo.environment["TEST_SRCDIR"] {
-        return testSrcDir + "/_main/Tests/IndexStoreTests/Data/main.indexstore"
+        return testSrcDir + "/_main/Tests/IndexStoreTests/dummy.indexstore"
     }
     guard let service = ProcessInfo.processInfo.environment["XPC_SERVICE_NAME"] else {
         preconditionFailure("Expected XPC_SERVICE_NAME environment variable")

Tests/IndexStoreTests/IndexStoreTests.swift

@@ -17,7 +17,7 @@ final class IndexStoreTests: XCTestCase {
             for recordName in unitReader.recordNames {
                 // Just find one record we know has some reasonable content
                 guard recordName.hasPrefix("IndexStoreTests.swift") ||
-                    recordName.hasPrefix("main.swift") else {
+                    recordName.hasPrefix("dummy.swift") else {
                     continue
                 }
 

Tests/IndexStoreTests/dummy.swift

@@ -0,0 +1,3 @@
+func foo() -> Int {
+    return 5
+}