1 files changed, 101 insertions, 0 deletions
diff --git a/spec/bundler/resolver/platform_spec.rb b/spec/bundler/resolver/platform_spec.rb
new file mode 100644
index 0000000000..90d6f637ce
--- /dev/null
+++ b/spec/bundler/resolver/platform_spec.rb
@@ -0,0 +1,101 @@
+# frozen_string_literal: true
+require "spec_helper"
+
+RSpec.describe "Resolving platform craziness" do
+  describe "with cross-platform gems" do
+    before :each do
+      @index = an_awesome_index
+    end
+
+    it "resolves a simple multi platform gem" do
+      dep "nokogiri"
+      platforms "ruby", "java"
+
+      should_resolve_as %w(nokogiri-1.4.2 nokogiri-1.4.2-java weakling-0.0.3)
+    end
+
+    it "doesn't pull gems that don't exist for the current platform" do
+      dep "nokogiri"
+      platforms "ruby"
+
+      should_resolve_as %w(nokogiri-1.4.2)
+    end
+
+    it "doesn't pull gems when the version is available for all requested platforms" do
+      dep "nokogiri"
+      platforms "mswin32"
+
+      should_resolve_as %w(nokogiri-1.4.2.1-x86-mswin32)
+    end
+  end
+
+  describe "with mingw32" do
+    before :each do
+      @index = build_index do
+        platforms "mingw32 mswin32 x64-mingw32" do |platform|
+          gem "thin", "1.2.7", platform
+        end
+        gem "win32-api", "1.5.1", "universal-mingw32"
+      end
+    end
+
+    it "finds mswin gems" do
+      # win32 is hardcoded to get CPU x86 in rubygems
+      platforms "mswin32"
+      dep "thin"
+      should_resolve_as %w(thin-1.2.7-x86-mswin32)
+    end
+
+    it "finds mingw gems" do
+      # mingw is _not_ hardcoded to add CPU x86 in rubygems
+      platforms "x86-mingw32"
+      dep "thin"
+      should_resolve_as %w(thin-1.2.7-mingw32)
+    end
+
+    it "finds x64-mingw gems" do
+      platforms "x64-mingw32"
+      dep "thin"
+      should_resolve_as %w(thin-1.2.7-x64-mingw32)
+    end
+
+    it "finds universal-mingw gems on x86-mingw" do
+      platform "x86-mingw32"
+      dep "win32-api"
+      should_resolve_as %w(win32-api-1.5.1-universal-mingw32)
+    end
+
+    it "finds universal-mingw gems on x64-mingw" do
+      platform "x64-mingw32"
+      dep "win32-api"
+      should_resolve_as %w(win32-api-1.5.1-universal-mingw32)
+    end
+  end
+
+  describe "with conflicting cases" do
+    before :each do
+      @index = build_index do
+        gem "foo", "1.0.0" do
+          dep "bar", ">= 0"
+        end
+
+        gem "bar", "1.0.0" do
+          dep "baz", "~> 1.0.0"
+        end
+
+        gem "bar", "1.0.0", "java" do
+          dep "baz", " ~> 1.1.0"
+        end
+
+        gem "baz", %w(1.0.0 1.1.0 1.2.0)
+      end
+    end
+
+    it "reports on the conflict" do
+      platforms "ruby", "java"
+      dep "foo"
+
+      should_conflict_on "baz"
+    end
+  end
+end