1 files changed, 120 insertions, 2 deletions
diff --git a/spec/bundler/lock/lockfile_spec.rb b/spec/bundler/lock/lockfile_spec.rb
index cd603e336a..8d9554c68d 100644
--- a/spec/bundler/lock/lockfile_spec.rb
+++ b/spec/bundler/lock/lockfile_spec.rb
@@ -982,7 +982,7 @@ RSpec.describe "the lockfile format" do
           rack (1.0.0)
 
       PLATFORMS
-        #{lockfile_platforms_for(["java", specific_local_platform])}
+        #{lockfile_platforms("java")}
 
       DEPENDENCIES
         rack
@@ -1218,7 +1218,125 @@ RSpec.describe "the lockfile format" do
     G
 
     expect(err).to include("Downloading rack_middleware-1.0 revealed dependencies not in the API or the lockfile (#{Gem::Dependency.new("rack", "= 0.9.1")}).").
-      and include("Either installing with `--full-index` or running `bundle update rack_middleware` should fix the problem.")
+      and include("Running `bundle update rack_middleware` should fix the problem.")
+  end
+
+  it "regenerates a lockfile with no specs" do
+    build_repo4 do
+      build_gem "indirect_dependency", "1.2.3" do |s|
+        s.metadata["funding_uri"] = "https://example.com/donate"
+      end
+
+      build_gem "direct_dependency", "4.5.6" do |s|
+        s.add_dependency "indirect_dependency", ">= 0"
+      end
+    end
+
+    lockfile <<-G
+      GEM
+        remote: #{file_uri_for(gem_repo4)}/
+        specs:
+
+      PLATFORMS
+        ruby
+
+      DEPENDENCIES
+        direct_dependency
+
+      BUNDLED WITH
+         #{Bundler::VERSION}
+    G
+
+    install_gemfile <<-G
+      source "#{file_uri_for(gem_repo4)}"
+
+      gem "direct_dependency"
+    G
+
+    expect(lockfile).to eq <<~G
+      GEM
+        remote: #{file_uri_for(gem_repo4)}/
+        specs:
+          direct_dependency (4.5.6)
+            indirect_dependency
+          indirect_dependency (1.2.3)
+
+      PLATFORMS
+        #{formatted_lockfile_platforms(*["ruby", generic_local_platform].uniq)}
+
+      DEPENDENCIES
+        direct_dependency
+
+      BUNDLED WITH
+         #{Bundler::VERSION}
+    G
+  end
+
+  shared_examples_for "a lockfile missing dependent specs" do
+    it "auto-heals" do
+      build_repo4 do
+        build_gem "minitest-bisect", "1.6.0" do |s|
+          s.add_dependency "path_expander", "~> 1.1"
+        end
+
+        build_gem "path_expander", "1.1.1"
+      end
+
+      gemfile <<~G
+        source "#{file_uri_for(gem_repo4)}"
+        gem "minitest-bisect"
+      G
+
+      # Corrupt lockfile (completely missing path_expander)
+      lockfile <<~L
+        GEM
+          remote: #{file_uri_for(gem_repo4)}/
+          specs:
+            minitest-bisect (1.6.0)
+
+        PLATFORMS
+          #{platforms}
+
+        DEPENDENCIES
+          minitest-bisect
+
+        BUNDLED WITH
+           #{Bundler::VERSION}
+      L
+
+      cache_gems "minitest-bisect-1.6.0", "path_expander-1.1.1", :gem_repo => gem_repo4
+      bundle :install
+
+      expect(lockfile).to eq <<~L
+        GEM
+          remote: #{file_uri_for(gem_repo4)}/
+          specs:
+            minitest-bisect (1.6.0)
+              path_expander (~> 1.1)
+            path_expander (1.1.1)
+
+        PLATFORMS
+          #{platforms}
+
+        DEPENDENCIES
+          minitest-bisect
+
+        BUNDLED WITH
+           #{Bundler::VERSION}
+      L
+    end
+  end
+
+  context "with just specific platform" do
+    let(:platforms) { lockfile_platforms }
+
+    it_behaves_like "a lockfile missing dependent specs"
+  end
+
+  context "with both ruby and specific platform" do
+    let(:platforms) { lockfile_platforms("ruby") }
+
+    it_behaves_like "a lockfile missing dependent specs"
   end
 
   it "auto-heals when the lockfile is missing specs" do