HexDocs MCP

defmodule HexdocsMcp.VersionTest do use ExUnit.Case, async: true alias HexdocsMcp.Version describe "compare/2" do test "compares major versions" do assert Version.compare("2.0.0", "1.0.0") == :gt assert Version.compare("1.0.0", "2.0.0") == :lt assert Version.compare("1.0.0", "1.0.0") == :eq end test "compares minor versions" do assert Version.compare("1.2.0", "1.1.0") == :gt assert Version.compare("1.1.0", "1.2.0") == :lt assert Version.compare("1.1.0", "1.1.0") == :eq end test "compares patch versions" do assert Version.compare("1.0.2", "1.0.1") == :gt assert Version.compare("1.0.1", "1.0.2") == :lt assert Version.compare("1.0.1", "1.0.1") == :eq end test "compares complex versions" do assert Version.compare("3.5.10", "3.5.9") == :gt assert Version.compare("3.5.9", "3.5.10") == :lt end test "handles pre-release versions" do assert Version.compare("1.0.0-rc.1", "1.0.0") == :lt assert Version.compare("1.0.0", "1.0.0-rc.1") == :gt assert Version.compare("1.0.0-rc.2", "1.0.0-rc.1") == :gt end test "handles latest version" do assert Version.compare("latest", "3.5.9") == :eq assert Version.compare("3.5.9", "latest") == :eq assert Version.compare("latest", "latest") == :eq end test "handles invalid versions with string comparison" do assert Version.compare("invalid", "1.0.0") == :gt assert Version.compare("1.0.0", "invalid") == :lt end end describe "find_latest/1" do test "finds latest from simple versions" do assert Version.find_latest(["1.0.0", "2.0.0", "1.5.0"]) == "2.0.0" assert Version.find_latest(["3.5.9", "3.5.10", "3.5.2"]) == "3.5.10" end test "handles pre-release versions" do assert Version.find_latest(["1.0.0-rc.1", "1.0.0", "0.9.0"]) == "1.0.0" assert Version.find_latest(["2.0.0-beta", "2.0.0-alpha"]) == "2.0.0-beta" assert Version.find_latest(["2.0.0-beta", "1.9.0", "2.0.0-alpha"]) == "2.0.0-beta" end test "handles latest version" do assert Version.find_latest(["latest"]) == "latest" assert Version.find_latest(["1.0.0", "latest", "2.0.0"]) == "2.0.0" end test "handles empty list" do assert Version.find_latest([]) == nil end test "handles single version" do assert Version.find_latest(["1.0.0"]) == "1.0.0" end end describe "filter_latest_versions/1" do test "filters to latest version per package" do results = [ %{metadata: %{package: "ash", version: "3.5.9"}, score: 0.5}, %{metadata: %{package: "ash", version: "3.5.10"}, score: 0.6}, %{metadata: %{package: "ash", version: "3.5.2"}, score: 0.4}, %{metadata: %{package: "phoenix", version: "1.7.0"}, score: 0.7}, %{metadata: %{package: "phoenix", version: "1.6.0"}, score: 0.3} ] filtered = Version.filter_latest_versions(results) assert length(filtered) == 2 ash_results = Enum.filter(filtered, &(&1.metadata.package == "ash")) assert length(ash_results) == 1 assert hd(ash_results).metadata.version == "3.5.10" phoenix_results = Enum.filter(filtered, &(&1.metadata.package == "phoenix")) assert length(phoenix_results) == 1 assert hd(phoenix_results).metadata.version == "1.7.0" end test "preserves all results for the latest version" do results = [ %{metadata: %{package: "ash", version: "3.5.9", text: "result1"}, score: 0.5}, %{metadata: %{package: "ash", version: "3.5.10", text: "result2"}, score: 0.6}, %{metadata: %{package: "ash", version: "3.5.10", text: "result3"}, score: 0.4} ] filtered = Version.filter_latest_versions(results) assert length(filtered) == 2 assert Enum.all?(filtered, &(&1.metadata.version == "3.5.10")) end test "handles empty results" do assert Version.filter_latest_versions([]) == [] end test "handles single result" do results = [%{metadata: %{package: "ash", version: "3.5.9"}, score: 0.5}] assert Version.filter_latest_versions(results) == results end end end