Remove index fixture

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
+}