tests: reorganize and speed up unit tests

1 files changed, 174 insertions, 0 deletions

diff --git a/spec/unit/test_spec.lua b/spec/unit/test_spec.lua
new file mode 100644
index 00000000..4d338984
--- /dev/null
+++ b/spec/unit/test_spec.lua
@@ -0,0 +1,174 @@
+local test_env = require("spec.util.test_env")
+local lfs = require("lfs")
+local get_tmp_path = test_env.get_tmp_path
+local testing_paths = test_env.testing_paths
+local write_file = test_env.write_file
+
+local fs = require("luarocks.fs")
+local cfg = require("luarocks.core.cfg")
+local path = require("luarocks.path")
+local test = require("luarocks.test")
+local test_busted = require("luarocks.test.busted")
+local test_command = require("luarocks.test.command")
+
+describe("LuaRocks test #unit", function()
+   local runner
+
+   lazy_setup(function()
+      cfg.init()
+      fs.init()
+      runner = require("luacov.runner")
+      runner.init(testing_paths.testrun_dir .. "/luacov.config")
+      runner.tick = true
+   end)
+
+   lazy_teardown(function()
+      runner.shutdown()
+   end)
+
+   local tmpdir
+   local olddir
+
+   local create_tmp_dir = function()
+      tmpdir = get_tmp_path()
+      olddir = lfs.currentdir()
+      lfs.mkdir(tmpdir)
+      lfs.chdir(tmpdir)
+      fs.change_dir(tmpdir)
+   end
+
+   local destroy_tmp_dir = function()
+      if olddir then
+         lfs.chdir(olddir)
+         if tmpdir then
+            lfs.rmdir(tmpdir)
+         end
+      end
+   end
+
+   describe("test.command", function()
+      describe("command.detect_type", function()
+         before_each(function()
+            create_tmp_dir()
+         end)
+
+         after_each(function()
+            destroy_tmp_dir()
+         end)
+
+         it("returns true if test.lua exists", function()
+            write_file("test.lua", "", finally)
+            assert.truthy(test_command.detect_type())
+         end)
+
+         it("returns false if test.lua doesn't exist", function()
+            assert.falsy(test_command.detect_type())
+         end)
+      end)
+
+      describe("command.run_tests", function()
+         before_each(function()
+            create_tmp_dir()
+         end)
+
+         after_each(function()
+            destroy_tmp_dir()
+         end)
+
+         it("returns the result of the executed tests", function()
+            write_file("test.lua", "assert(1==1)", finally)
+            assert.truthy(test_command.run_tests(nil, {}))
+
+            write_file("test.lua", "assert(1==2)", finally)
+            assert.falsy(test_command.run_tests(nil, {}))
+         end)
+
+         it("returns the result of the executed tests with custom arguments and test command", function()
+            write_file("test.lua", "assert(1==1)", finally)
+
+            local test = {
+               script = "test.lua",
+               flags = {
+                  arg1 = "1",
+                  arg2 = "2"
+               },
+               command = fs.Q(testing_paths.lua)
+            }
+            assert.truthy(test_command.run_tests(test, {}))
+         end)
+
+         it("returns false and does nothing if the test script doesn't exist", function()
+            assert.falsy(test_command.run_tests(nil, {}))
+         end)
+      end)
+   end)
+
+   describe("test.busted", function()
+      describe("busted.detect_type", function()
+         before_each(function()
+            create_tmp_dir()
+         end)
+
+         after_each(function()
+            destroy_tmp_dir()
+         end)
+
+         it("returns true if .busted exists", function()
+            write_file(".busted", "", finally)
+            assert.truthy(test_busted.detect_type())
+         end)
+
+         it("returns false if .busted doesn't exist", function()
+            assert.falsy(test_busted.detect_type())
+         end)
+      end)
+
+      describe("busted.run_tests", function()
+         before_each(function()
+            path.use_tree(testing_paths.testing_sys_tree)
+            create_tmp_dir()
+         end)
+
+         after_each(function()
+            destroy_tmp_dir()
+         end)
+
+         pending("returns the result of the executed tests", function()
+            -- FIXME: busted issue
+            write_file("test_spec.lua", "assert(1==1)", finally)
+            assert.truthy(test_busted.run_tests(nil, {}))
+
+            write_file("test_spec.lua", "assert(1==2)", finally)
+            assert.falsy(test_busted.run_tests())
+         end)
+      end)
+   end)
+
+   describe("test", function()
+      describe("test.run_test_suite", function()
+         before_each(function()
+            create_tmp_dir()
+         end)
+
+         after_each(function()
+            destroy_tmp_dir()
+         end)
+
+         it("returns false if the given rockspec cannot be loaded", function()
+            assert.falsy(test.run_test_suite("invalid", nil, {}))
+         end)
+
+         it("returns false if no test type was detected", function()
+            assert.falsy(test.run_test_suite({ package = "test" }, nil, {}))
+         end)
+
+         it("returns the result of executing the tests specified in the given rockspec", function()
+            write_file("test.lua", "assert(1==1)", finally)
+            assert.truthy(test.run_test_suite({ test_dependencies = {} }, nil, {}))
+
+            write_file("test.lua", "assert(1==2)", finally)
+            assert.falsy(test.run_test_suite({ test_dependencies = {} }, nil, {}))
+         end)
+      end)
+   end)
+end)