1 files changed, 75 insertions, 0 deletions
diff --git a/HutchTests/LookupHistoryStoreTests.swift b/HutchTests/LookupHistoryStoreTests.swift
new file mode 100644
index 0000000..414d016
--- /dev/null
+++ b/HutchTests/LookupHistoryStoreTests.swift
@@ -0,0 +1,75 @@
+import Foundation
+import Testing
+@testable import Hutch
+
+struct LookupHistoryStoreTests {
+
+    @Test
+    func recordsMostRecentUniqueSearchFirst() {
+        let suiteName = "LookupHistoryStoreTests-\(UUID().uuidString)"
+        let defaults = UserDefaults(suiteName: suiteName)!
+        defer { defaults.removePersistentDomain(forName: suiteName) }
+
+        LookupHistoryStore.record(
+            type: .user,
+            query: "~alice",
+            defaults: defaults,
+            now: Date(timeIntervalSince1970: 100)
+        )
+        LookupHistoryStore.record(
+            type: .gitRepo,
+            query: "~alice/hutch",
+            defaults: defaults,
+            now: Date(timeIntervalSince1970: 200)
+        )
+        LookupHistoryStore.record(
+            type: .user,
+            query: "~alice",
+            defaults: defaults,
+            now: Date(timeIntervalSince1970: 300)
+        )
+
+        let history = LookupHistoryStore.load(defaults: defaults)
+
+        #expect(history.count == 2)
+        #expect(history.map(\.type) == [.user, .gitRepo])
+        #expect(history.map(\.query) == ["~alice", "~alice/hutch"])
+        #expect(history.first?.createdAt == Date(timeIntervalSince1970: 300))
+    }
+
+    @Test
+    func trimsHistoryToMaximumSize() {
+        let suiteName = "LookupHistoryStoreTests-\(UUID().uuidString)"
+        let defaults = UserDefaults(suiteName: suiteName)!
+        defer { defaults.removePersistentDomain(forName: suiteName) }
+
+        for index in 0..<25 {
+            LookupHistoryStore.record(
+                type: .buildJob,
+                query: "\(index)",
+                defaults: defaults,
+                now: Date(timeIntervalSince1970: TimeInterval(index))
+            )
+        }
+
+        let history = LookupHistoryStore.load(defaults: defaults)
+
+        #expect(history.count == 20)
+        #expect(history.first?.query == "24")
+        #expect(history.last?.query == "5")
+    }
+
+    @Test
+    func clearsPersistedHistory() {
+        let suiteName = "LookupHistoryStoreTests-\(UUID().uuidString)"
+        let defaults = UserDefaults(suiteName: suiteName)!
+        defer { defaults.removePersistentDomain(forName: suiteName) }
+
+        LookupHistoryStore.record(type: .tracker, query: "~owner/todo", defaults: defaults)
+        #expect(!LookupHistoryStore.load(defaults: defaults).isEmpty)
+
+        LookupHistoryStore.clear(defaults: defaults)
+
+        #expect(LookupHistoryStore.load(defaults: defaults).isEmpty)
+    }
+}