1 files changed, 141 insertions, 0 deletions
diff --git a/spec/bundler/runtime/executable_spec.rb b/spec/bundler/runtime/executable_spec.rb
new file mode 100644
index 0000000000..89cee21b00
--- /dev/null
+++ b/spec/bundler/runtime/executable_spec.rb
@@ -0,0 +1,141 @@
+# frozen_string_literal: true
+
+RSpec.describe "Running bin/* commands" do
+  before :each do
+    install_gemfile <<-G
+      source "https://gem.repo1"
+      gem "myrack"
+    G
+  end
+
+  it "runs the bundled command when in the bundle" do
+    bundle "binstubs myrack"
+
+    build_gem "myrack", "2.0", to_system: true do |s|
+      s.executables = "myrackup"
+    end
+
+    gembin "myrackup"
+    expect(out).to eq("1.0.0")
+  end
+
+  it "allows the location of the gem stubs to be configured" do
+    bundle_config "bin gbin"
+    bundle "binstubs myrack"
+
+    expect(bundled_app("bin")).not_to exist
+    expect(bundled_app("gbin/myrackup")).to exist
+
+    gembin bundled_app("gbin/myrackup")
+    expect(out).to eq("1.0.0")
+  end
+
+  it "allows absolute paths as a specification of where to install bin stubs" do
+    bundle_config "bin #{tmp("bin")}"
+    bundle "binstubs myrack"
+
+    gembin tmp("bin/myrackup")
+    expect(out).to eq("1.0.0")
+  end
+
+  it "uses the default ruby install name when shebang is not specified" do
+    bundle "binstubs myrack"
+    expect(File.readlines(bundled_app("bin/myrackup")).first).to eq("#!/usr/bin/env #{RbConfig::CONFIG["ruby_install_name"]}\n")
+  end
+
+  it "allows the name of the shebang executable to be specified" do
+    bundle "binstubs myrack", shebang: "ruby-foo"
+    expect(File.readlines(bundled_app("bin/myrackup")).first).to eq("#!/usr/bin/env ruby-foo\n")
+  end
+
+  it "runs the bundled command when out of the bundle" do
+    bundle "binstubs myrack"
+
+    build_gem "myrack", "2.0", to_system: true do |s|
+      s.executables = "myrackup"
+    end
+
+    gembin "myrackup", dir: tmp
+    expect(out).to eq("1.0.0")
+  end
+
+  it "works with gems in path" do
+    build_lib "myrack", path: lib_path("myrack") do |s|
+      s.executables = "myrackup"
+    end
+
+    gemfile <<-G
+      source "https://gem.repo1"
+      gem "myrack", :path => "#{lib_path("myrack")}"
+    G
+
+    bundle "binstubs myrack"
+
+    build_gem "myrack", "2.0", to_system: true do |s|
+      s.executables = "myrackup"
+    end
+
+    gembin "myrackup"
+    expect(out).to eq("1.0")
+  end
+
+  it "does not create a bundle binstub" do
+    gemfile <<-G
+      source "https://gem.repo1"
+      gem "bundler"
+    G
+
+    bundle "binstubs bundler"
+
+    expect(bundled_app("bin/bundle")).not_to exist
+
+    expect(err).to include("Bundler itself does not use binstubs because its version is selected by RubyGems")
+  end
+
+  it "does not generate bin stubs if the option was not specified" do
+    bundle "install"
+
+    expect(bundled_app("bin/myrackup")).not_to exist
+  end
+
+  it "rewrites bins on binstubs with --force option" do
+    install_gemfile <<-G
+      source "https://gem.repo1"
+      gem "myrack"
+    G
+
+    create_file("bin/myrackup", "OMG")
+
+    bundle "binstubs myrack", { force: true }
+
+    expect(bundled_app("bin/myrackup").read.strip).to_not eq("OMG")
+  end
+
+  it "use BUNDLE_GEMFILE gemfile for binstub" do
+    # context with bin/bundler w/ default Gemfile
+    bundle "binstubs bundler"
+
+    # generate other Gemfile with executable gem
+    build_repo2 do
+      build_gem("bindir") {|s| s.executables = "foo" }
+    end
+
+    gemfile("OtherGemfile", <<-G)
+      source "https://gem.repo2"
+      gem 'bindir'
+    G
+
+    # generate binstub for executable from non default Gemfile (other then bin/bundler version)
+    ENV["BUNDLE_GEMFILE"] = "OtherGemfile"
+    bundle "install"
+    bundle "binstubs bindir"
+
+    # remove user settings
+    ENV["BUNDLE_GEMFILE"] = nil
+
+    # run binstub for non default Gemfile
+    gembin "foo"
+
+    expect(out).to eq("1.0")
+  end
+end