Improved name of files and classes within tests/methods folder

This follows PHP best practices for classes.

tests/methods/ConstructTest.php

@@ -0,0 +1,69 @@
+<?php
+
+class ConstructTest extends PHPUnit\Framework\TestCase {
+
+    /**
+     * CSV
+     * The parseCSV object
+     *
+     * @access protected
+     * @var [parseCSV]
+     */
+    protected $csv = null;
+
+    /**
+     * Setup
+     * Setup our test environment objects
+     *
+     * @access public
+     */
+    public function setUp() {
+        //setup parse CSV
+        #$this->csv = new parseCSV();
+    }
+
+    /**
+     * Tear down
+     * Tear down our test environment objects
+     *
+     * @access public
+     */
+    public function tearDown() {
+        $this->csv = null;
+    }
+
+    public function test_offset_param() {
+        $offset = 10;
+        $this->csv = new parseCSV(null, $offset);
+        $this->assertTrue(is_numeric($this->csv->offset));
+        $this->assertEquals($offset, $this->csv->offset);
+    }
+
+    public function test_limit_param() {
+        $limit = 10;
+        $this->csv = new parseCSV(null, null, $limit);
+        $this->assertTrue(is_numeric($this->csv->limit));
+        $this->assertEquals($limit, $this->csv->limit);
+    }
+
+    public function test_conditions_param() {
+        $conditions = 'some column NOT value';
+        $this->csv = new parseCSV(null, null, null, $conditions);
+        $this->assertTrue(is_string($this->csv->conditions));
+        $this->assertEquals($conditions, $this->csv->conditions);
+    }
+
+    public function test_keep_file_data_param() {
+        $keep = true;
+        $this->csv = new parseCSV(null, null, null, null, $keep);
+        $this->assertTrue(is_bool($this->csv->keep_file_data));
+        $this->assertEquals($keep, $this->csv->keep_file_data);
+    }
+
+    public function test_input_param() {
+        $csv = "col1,col2,col3\r\nval1,val2,val3\r\nval1A,val2A,val3A\r\n";
+        $this->csv = new parseCSV($csv, null, null, null, true);
+        $this->assertTrue(is_string($this->csv->file_data));
+        $this->assertEquals($csv, $this->csv->file_data);
+    }
+}