253 lines
8.8 KiB
Lua
253 lines
8.8 KiB
Lua
local function ok(condition, message)
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if not condition then
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error(message or "assertion failed")
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end
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end
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vim.opt.runtimepath:append(vim.fn.getcwd())
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package.path = package.path
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.. ";"
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.. vim.fn.getcwd()
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.. "/lua/?.lua;"
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.. vim.fn.getcwd()
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.. "/lua/?/init.lua"
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local function eq(actual, expected, message)
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if actual ~= expected then
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error(message or string.format("expected %s, got %s", tostring(expected), tostring(actual)))
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end
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end
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local function write_file(path, content)
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local dir = vim.fn.fnamemodify(path, ":h")
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vim.fn.mkdir(dir, "p")
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vim.fn.writefile(vim.split(content, "\n"), path)
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end
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local function make_buffer(path, content)
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local bufnr = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_buf_set_name(bufnr, path)
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, vim.split(content, "\n"))
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return bufnr
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end
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local function with_project(structure, fn)
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local root = vim.fn.tempname()
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vim.fn.mkdir(root, "p")
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for rel_path, content in pairs(structure) do
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write_file(root .. "/" .. rel_path, content)
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end
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fn(root)
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end
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local function test_is_test_file_with_mocha_dependency()
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with_project({
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["package.json"] = [[{"devDependencies":{"mocha":"10.0.0"}}]],
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}, function(root)
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local runner = require("test-samurai-mocha-runner")
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local bufnr = make_buffer(root .. "/test/sample.spec.js", "describe('x', function() {})")
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ok(runner.is_test_file(bufnr), "expected mocha project to be detected")
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end)
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end
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local function test_is_test_file_without_mocha_dependency()
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with_project({
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["package.json"] = [[{"devDependencies":{"jest":"29.0.0"}}]],
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}, function(root)
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local runner = require("test-samurai-mocha-runner")
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local bufnr = make_buffer(root .. "/test/sample.spec.js", "describe('x', function() {})")
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ok(not runner.is_test_file(bufnr), "expected non-mocha project to be ignored")
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end)
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end
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local function test_find_nearest_priorities()
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with_project({
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["package.json"] = [[{"devDependencies":{"mocha":"10.0.0"}}]],
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}, function(root)
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local runner = require("test-samurai-mocha-runner")
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local content = table.concat({
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"describe(\"Math\", function() {",
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" it(\"adds\", function() {",
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" expect(1).to.equal(1)",
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" })",
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"",
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" it(\"subs\", function() {",
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" expect(1).to.equal(1)",
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" })",
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"})",
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"",
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"const value = 1",
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}, "\n")
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local bufnr = make_buffer(root .. "/test/math.spec.js", content)
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local spec_test = assert(runner.find_nearest(bufnr, 3, 0))
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eq(spec_test.kind, "test", "expected test kind")
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eq(spec_test.full_name, "Math/adds", "expected full test name")
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local spec_suite = assert(runner.find_nearest(bufnr, 5, 0))
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eq(spec_suite.kind, "suite", "expected suite kind")
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eq(spec_suite.full_name, "Math", "expected suite name")
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local spec_file = assert(runner.find_nearest(bufnr, 11, 0))
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eq(spec_file.kind, "file", "expected file kind")
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end)
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end
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local function test_missing_package_json_errors()
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local runner = require("test-samurai-mocha-runner")
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local content = table.concat({
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"describe(\"Math\", function() {",
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" it(\"adds\", function() {",
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" expect(1).to.equal(1)",
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" })",
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"})",
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}, "\n")
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local bufnr = make_buffer("/tmp/no-root.test.js", content)
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local spec, err = runner.find_nearest(bufnr, 2, 0)
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ok(spec == nil, "expected no spec without package.json")
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eq(err, "no package.json found", "expected package.json error")
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local command = runner.build_file_command(bufnr)
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eq(command.cmd[1], "echo")
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eq(command.cmd[2], "no package.json found")
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end
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local function test_command_building()
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with_project({
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["package.json"] = [[{"devDependencies":{"mocha":"10.0.0"}}]],
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}, function(root)
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local runner = require("test-samurai-mocha-runner")
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local spec = {
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file = root .. "/test/math.spec.js",
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cwd = root,
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kind = "test",
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mocha_full_title = "Math adds",
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full_name = "Math/adds",
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}
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local command = runner.build_command(spec)
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eq(command.cmd[1], "npx")
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eq(command.cmd[2], "mocha")
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ok(vim.tbl_contains(command.cmd, "--reporter"), "expected reporter flag")
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ok(vim.tbl_contains(command.cmd, "json-stream"), "expected json-stream reporter")
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ok(vim.tbl_contains(command.cmd, "--grep"), "expected grep flag")
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end)
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end
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local function test_build_all_command_includes_glob()
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with_project({
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["package.json"] = [[{"devDependencies":{"mocha":"10.0.0"}}]],
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}, function(root)
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local runner = require("test-samurai-mocha-runner")
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local bufnr = make_buffer(root .. "/test/sample.spec.js", "")
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local command = runner.build_all_command(bufnr)
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ok(vim.tbl_contains(command.cmd, "test/**/*.{test,spec}.{t,j}s"), "expected test glob")
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end)
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end
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local function test_output_parser_and_locations()
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local runner = require("test-samurai-mocha-runner")
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local output_lines = {
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[=[["suite",{"title":"Math","fullTitle":"Math"}]]=],
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[=[["pass",{"title":"adds","fullTitle":"Math adds","file":"/tmp/math.spec.js"}]]=],
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[=[["pass",{"title":"adds","fullTitle":"Math adds","file":"/tmp/math.spec.js"}]]=],
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[=[["fail",{"title":"subs","fullTitle":"Math subs","file":"/tmp/math.spec.js","err":"oops","stack":"Error: oops\n at Context.<anonymous> (/tmp/math.spec.js:10:5)"}]]=],
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[=[["pending",{"title":"skips","fullTitle":"Math skips","file":"/tmp/math.spec.js"}]]=],
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[=[["suite end",{"title":"Math","fullTitle":"Math"}]]=],
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}
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local parser = runner.output_parser()
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local state = {}
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local aggregated = { passes = {}, failures = {}, skips = {} }
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for _, line in ipairs(output_lines) do
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local results = parser.on_line(line, state)
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if results then
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for _, name in ipairs(results.passes or {}) do
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table.insert(aggregated.passes, name)
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end
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for _, name in ipairs(results.failures or {}) do
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table.insert(aggregated.failures, name)
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end
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for _, name in ipairs(results.skips or {}) do
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table.insert(aggregated.skips, name)
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end
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end
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end
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eq(aggregated.passes[1], "Math/adds", "expected pass name")
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eq(#aggregated.passes, 1, "expected no duplicate passes")
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eq(aggregated.failures[1], "Math/subs", "expected failure name")
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eq(aggregated.skips[1], "Math/skips", "expected skip name")
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local items = runner.collect_failed_locations(aggregated.failures, {}, "nearest")
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eq(items[1].filename, "/tmp/math.spec.js", "expected filename from stack")
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eq(items[1].lnum, 10, "expected line from stack")
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eq(items[1].col, 5, "expected col from stack")
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end
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local function test_failed_only_command()
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local runner = require("test-samurai-mocha-runner")
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runner._last_mocha_titles = {
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["Math/adds"] = "Math adds",
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["Math/subs"] = "Math subs",
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}
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local command = runner.build_failed_command({ cwd = "/tmp" }, { "Math/adds", "Math/subs" }, "file")
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eq(command.cmd[1], "npx")
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ok(vim.tbl_contains(command.cmd, "--grep"), "expected grep for failed-only")
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local grep_index
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for idx, value in ipairs(command.cmd) do
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if value == "--grep" then
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grep_index = idx + 1
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break
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end
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end
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ok(grep_index, "expected grep argument")
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ok(command.cmd[grep_index]:match("Math%.%*adds"), "expected grep pattern for first failure")
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end
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local function test_parse_results_and_test_output()
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local runner = require("test-samurai-mocha-runner")
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local output = table.concat({
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[=[["suite",{"title":"Math","fullTitle":"Math"}]]=],
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[=[["fail",{"title":"subs","fullTitle":"Math subs","file":"/tmp/math.spec.js","err":"oops","stack":"Error: oops\n at Context.<anonymous> (/tmp/math.spec.js:10:5)\n at processImmediate"}]]=],
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[=[["suite end",{"title":"Math","fullTitle":"Math"}]]=],
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}, "\n")
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local results = runner.parse_results(output)
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eq(results.failures[1], "Math/subs", "expected failure from parse_results")
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local outputs = runner.parse_test_output(output)
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ok(outputs["Math/subs"], "expected test output for failure")
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local found = false
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for _, line in ipairs(outputs["Math/subs"]) do
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if line:match("oops") then
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found = true
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break
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end
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end
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ok(found, "expected error output line")
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end
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local function test_output_parser_on_complete_returns_nil()
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local runner = require("test-samurai-mocha-runner")
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local parser = runner.output_parser()
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local state = {}
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local output = [=[["pass",{"title":"adds","fullTitle":"Math adds","file":"/tmp/math.spec.js"}]]=]
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local results = parser.on_complete(output, state)
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ok(results == nil, "expected nil on_complete to avoid duplicate listings")
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end
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local tests = {
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test_is_test_file_with_mocha_dependency,
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test_is_test_file_without_mocha_dependency,
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test_find_nearest_priorities,
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test_missing_package_json_errors,
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test_command_building,
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test_build_all_command_includes_glob,
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test_output_parser_and_locations,
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test_failed_only_command,
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test_parse_results_and_test_output,
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test_output_parser_on_complete_returns_nil,
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}
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for _, test_fn in ipairs(tests) do
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test_fn()
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end
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