Add initial test setup

.github/workflows/tests.yml

@@ -0,0 +1,39 @@
+---
+name: Run tests
+on:
+  pull_request: ~
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    name: Run tests
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        neovim_version: ['nightly', 'v0.6.1']
+
+    steps:
+      - uses: actions/checkout@v2
+      - run: date +%F > todays-date
+      - name: Restore cache for today's nightly.
+        uses: actions/cache@v2
+        with:
+          path: _neovim
+          key: ${{ runner.os }}-x64-${{ hashFiles('todays-date') }}
+
+      - name: Prepare plenary
+        run: |
+          git clone --depth 1 https://github.com/nvim-lua/plenary.nvim ~/.local/share/nvim/site/pack/vendor/start/plenary.nvim
+          ln -s "$(pwd)" ~/.local/share/nvim/site/pack/vendor/start
+
+      - name: Setup neovim
+        uses: rhysd/action-setup-vim@v1
+        with:
+          neovim: true
+          version: ${{ matrix.neovim_version }}
+
+      - name: Run tests
+        run: |
+          nvim --headless --noplugin -u tests/minimal.vim -c "PlenaryBustedDirectory tests/ {minimal_init = 'tests/minimal.vim'}"

.luacheckrc

@@ -3,4 +3,7 @@ ignore = {
 }
 read_globals = {
   "vim",
+  "describe",
+  "it",
+  "assert",
 }

lua/jdtls/junit.lua

@@ -24,8 +24,8 @@ local function parse_test_case(line)
   }
 end
 
-local function parse(buf, tests)
-  local lines = vim.split(buf, '\n')
+local function parse(content, tests)
+  local lines = vim.split(content, '\n')
   local tracing = false
   local test = nil
   for _, line in ipairs(lines) do
@@ -53,6 +53,8 @@ local function parse(buf, tests)
   end
 end
 
+M.__parse = parse
+
 
 local function mk_buf_loop(sock, handle_buffer)
   local buffer = ''

tests/junit_spec.lua

@@ -0,0 +1,23 @@
+describe('jdtls.junit', function()
+  it('can parse test results', function()
+    local junit = require 'jdtls.junit'
+    local lines = {
+      '%TESTC  1 v2',
+      '%TSTTREE1,test_foo(io.bar.BarTest),false,1,false,-1,test_foo(io.bar.BarTest),,',
+      '%TESTS  1,test_foo(io.bar.BarTest)',
+      '%TESTE  1,test_foo(io.bar.BarTest)',
+      '%RUNTIME2078',
+    }
+    local tests = {}
+    junit.__parse(table.concat(lines, '\n'), tests)
+    local expected = {
+      {
+        failed = false,
+        fq_class = 'io.bar.BarTest',
+        method = 'test_foo',
+        traces = {},
+      },
+    }
+    assert.are.same(expected, tests)
+  end)
+end)

tests/minimal.vim

@@ -0,0 +1,3 @@
+set rtp+=.
+set rtp+=../plenary.nvim
+runtime! plugin/plenary.vim