testing framework initial setup

Makefile

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+PLENARY-DIR=../plenary.nvim
+PLENARY-REPO=https://github.com/nvim-lua/plenary.nvim.git
+
+.PHONY: test
+test:
+	nvim --headless --noplugin -u tests/minimal_init.vim -c "lua require('plenary.test_harness').test_directory('tests/', { minimal_init = 'tests/minimal_init.vim', sequential = true, timeout = 120000 })"
+
+.PHONY: test-file
+test-file:
+	nvim --headless --noplugin -u tests/minimal_init.vim -c "lua require('plenary.busted').run(vim.loop.cwd()..'/'..[[$(FILE)]])"
+
+
+.PHONY: plenary
+plenary:
+	@if [ ! -d $(PLENARY-DIR) ] ;\
+	then \
+	  echo "Cloning plenary.nvim..."; \
+	  git clone $(PLENARY-REPO) $(PLENARY-DIR); \
+	else \
+	  echo "Updating plenary.nvim..."; \
+	  git -C $(PLENARY-DIR) pull; \
+	fi

tests/init_spec.lua

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+local fn = vim.fn
+local api = vim.api
+
+local fzf = require("fzf-lua")
+
+describe("FzfLua", function()
+  describe("configuration", function()
+    it("initial setup", function()
+      fzf.setup({})
+      _G.dump(assert.is)
+      assert.is.truthy(fzf)
+    end)
+  end)
+end)

tests/minimal_init.vim

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+set hidden
+set noswapfile
+
+set rtp+=../plenary.nvim
+set rtp+=../fzf-lua
+runtime! plugin/plenary.vim