Added php test

tests/php/test.php

@@ -0,0 +1,32 @@
+<?php
+
+// A person
+class Person {
+  private $age;
+  function __construct($age) {
+    $this->age = $age;
+  }
+  function getAge() {
+    return $this->age;
+  }
+};
+
+function newPerson($age) {
+  return new Person($age);
+}
+
+/*
+ Create a person
+ */
+$p = newPerson(42);
+
+$num1 = $p->getAge();
+$num2 = newPerson(43);
+
+NewPerson(53);
+$num2->getAge();
+
+echo($num1);
+print($num2->getAge());
+
+?>

tests/php_spec.lua

@@ -0,0 +1,55 @@
+describe("php", function()
+    local core = require("agrolens.core")
+    local buffers = nil
+    local eq = assert.equals
+
+    it("load", function()
+        vim.cmd.edit("tests/php/test.php")
+        buffers = vim.api.nvim_list_bufs()
+        eq(#buffers, 1)
+
+        local content  = vim.api.nvim_buf_get_lines(buffers[1], 0, -1, false)
+
+        -- make sure buffer has content
+        eq(string.match(content[1], "php"), "php")
+
+        core.get_captures({ queries = { "functions" }, bufids = buffers })
+    end)
+
+    it("functions", function()
+        local entries = core.get_captures({ queries = { "functions" }, bufids = buffers })
+
+        eq(#entries, 3)
+        eq(entries[1].filename, "tests/php/test.php")
+        eq(entries[1].lnum, 6)
+        eq(entries[1].col, 2)
+
+        eq(entries[1].line, "  function __construct($age) {")
+        eq(entries[2].line, "  function getAge() {")
+        eq(entries[3].line, "function newPerson($age) {")
+    end)
+
+    it("callings", function()
+        local entries = core.get_captures({ queries = { "callings" }, bufids = buffers })
+
+        eq(#entries, 5)
+        eq(entries[1].filename, "tests/php/test.php")
+        eq(entries[1].lnum, 21)
+        eq(entries[1].col, 0)
+
+        eq(entries[1].line, "$p = newPerson(42);")
+        eq(entries[2].line, "$num1 = $p->getAge();")
+    end)
+
+    it("comments", function()
+        local entries = core.get_captures({ queries = { "comments" }, bufids = buffers })
+
+        eq(#entries, 2)
+        eq(entries[1].filename, "tests/php/test.php")
+        eq(entries[1].lnum, 3)
+        eq(entries[1].col, 0)
+
+        eq(entries[1].line, "// A person")
+        eq(entries[2].line, "/*")
+    end)
+end)