1 files changed, 144 insertions, 0 deletions

diff --git a/spec/unit/deps_spec.lua b/spec/unit/deps_spec.lua
new file mode 100644
index 00000000..b8c89a2d
--- /dev/null
+++ b/spec/unit/deps_spec.lua
@@ -0,0 +1,144 @@
+local test_env = require("spec.util.test_env")
+local testing_paths = test_env.testing_paths
+
+local cfg = require("luarocks.core.cfg")
+local deps = require("luarocks.deps")
+local fs = require("luarocks.fs")
+
+describe("LuaRocks deps #unit", function()
+   local runner
+
+   lazy_setup(function()
+      cfg.init()
+      fs.init()
+      deps.check_lua_incdir(cfg.variables)
+      deps.check_lua_libdir(cfg.variables)
+
+      runner = require("luacov.runner")
+      runner.init(testing_paths.testrun_dir .. "/luacov.config")
+      runner.tick = true
+   end)
+
+   lazy_teardown(function()
+      runner.shutdown()
+   end)
+
+   describe("deps", function()
+      describe("deps.autodetect_external_dependencies", function()
+         it("returns false if the given build table has no external dependencies", function()
+            local build_table = {
+               type = "builtin"
+            }
+
+            assert.falsy(deps.autodetect_external_dependencies(build_table))
+         end)
+
+         it("returns a table of the external dependencies found in the given build table", function()
+            local build_table = {
+               type = "builtin",
+               modules = {
+                  module1 = {
+                     libraries = { "foo1", "foo2" },
+                  },
+                  module2 = {
+                     libraries = "foo3"
+                  },
+               }
+            }
+
+            local extdeps = deps.autodetect_external_dependencies(build_table)
+            assert.same(extdeps["FOO1"], { library = "foo1" })
+            assert.same(extdeps["FOO2"], { library = "foo2" })
+            assert.same(extdeps["FOO3"], { library = "foo3" })
+         end)
+
+         it("adds proper include and library dirs to the given build table", function()
+            local build_table
+
+            build_table = {
+               type = "builtin",
+               modules = {
+                  module1 = {
+                     libraries = "foo"
+                  }
+               }
+            }
+            deps.autodetect_external_dependencies(build_table)
+            assert.same(build_table, {
+               type = "builtin",
+               modules = {
+                  module1 = {
+                     libraries = "foo",
+                     incdirs = { "$(FOO_INCDIR)" },
+                     libdirs = { "$(FOO_LIBDIR)" }
+                  }
+               }
+            })
+
+            build_table = {
+               type = "builtin",
+               modules = {
+                  module1 = {
+                     libraries = "foo",
+                     incdirs = { "INCDIRS" }
+                  }
+               }
+            }
+            deps.autodetect_external_dependencies(build_table)
+            assert.same(build_table, {
+               type = "builtin",
+               modules = {
+                  module1 = {
+                     libraries = "foo",
+                     incdirs = { "INCDIRS" },
+                     libdirs = { "$(FOO_LIBDIR)" }
+                  }
+               }
+            })
+
+            build_table = {
+               type = "builtin",
+               modules = {
+                  module1 = {
+                     libraries = "foo",
+                     libdirs = { "LIBDIRS" }
+                  }
+               }
+            }
+            deps.autodetect_external_dependencies(build_table)
+            assert.same(build_table, {
+               type = "builtin",
+               modules = {
+                  module1 = {
+                     libraries = "foo",
+                     incdirs = { "$(FOO_INCDIR)" },
+                     libdirs = { "LIBDIRS" }
+                  }
+               }
+            })
+
+            build_table = {
+               type = "builtin",
+               modules = {
+                  module1 = {
+                     libraries = "foo",
+                     incdirs = { "INCDIRS" },
+                     libdirs = { "LIBDIRS" }
+                  }
+               }
+            }
+            deps.autodetect_external_dependencies(build_table)
+            assert.same(build_table, {
+               type = "builtin",
+               modules = {
+                  module1 = {
+                     libraries = "foo",
+                     incdirs = { "INCDIRS" },
+                     libdirs = { "LIBDIRS" }
+                  }
+               }
+            })
+         end)
+      end)
+   end)
+end)