require("../env");

require("../../d3");

var vows = require("vows"),

    assert = require("assert");

var suite = vows.describe("selection.html");

suite.addBatch({

  "select(body)": {

    topic: function() {

      return d3.select("body").html("");

    },

    "sets the inner HTML as a string": function(body) {

      body.html("<h1>Hello, world!</h1>");

      assert.equal(document.body.firstChild.tagName, "H1");

      assert.equal(document.body.firstChild.textContent, "Hello, world!");

    },

    "sets the inner HTML as a number": function(body) {

      body.html(42);

      assert.equal(document.body.innerHTML, "42");

      assert.equal(document.body.firstChild.nodeType, document.TEXT_NODE);

    },

    "sets the inner HTML as a function": function(body) {

      body.data(["Subject"]).html(function(d, i) { return "<b>" + d + "</b><i>" + i + "</i>"; });

      assert.equal(document.body.firstChild.tagName, "B");

      assert.equal(document.body.firstChild.textContent, "Subject");

      assert.equal(document.body.lastChild.tagName, "I");

      assert.equal(document.body.lastChild.textContent, "0");

    },

    /*

    https://github.com/tmpvar/jsdom/issues/276

    "clears the inner HTML as null": function(body) {

      body.html(null);

      assert.equal(document.body.innerHTML, "");

      assert.isNull(document.body.firstChild);

    },

    */

    "clears the inner HTML as the empty string": function(body) {

      body.html("");

      assert.equal(document.body.innerHTML, "");

      assert.isNull(document.body.firstChild);

    },

    "clears the inner HTML as a function": function(body) {

      body.text(function() { return ""; });

      assert.equal(document.body.innerHTML, "");

      assert.isNull(document.body.firstChild);

    },

    "ignores null nodes": function() {

      var body = d3.select("body");

      body[0][0] = null;

      document.body.innerHTML = "<h1>foo</h1>";

      body.html("bar");

      assert.equal(document.body.textContent, "foo");

    },

    "returns the current selection": function(body) {

      assert.isTrue(body.html("foo") === body);

    }

  }

});

suite.addBatch({

  "selectAll(div)": {

    topic: function() {

      return d3.select("body").html("").selectAll("div").data(d3.range(2)).enter().append("div");

    },

    "sets the inner HTML as a string": function(div) {

      div.html("<h1>Hello, world!</h1>");

      assert.equal(div[0][0].firstChild.tagName, "H1");

      assert.equal(div[0][0].firstChild.textContent, "Hello, world!");

      assert.equal(div[0][1].firstChild.tagName, "H1");

      assert.equal(div[0][1].firstChild.textContent, "Hello, world!");

    },

    "sets the inner HTML as a number": function(div) {

      div.html(42);

      assert.equal(div[0][0].innerHTML, "42");

      assert.equal(div[0][0].firstChild.nodeType, document.TEXT_NODE);

    },

    "sets the inner HTML as a function": function(div) {

      div.data(["foo", "bar"]).html(function(d, i) { return "<b>" + d + "</b><i>" + i + "</i>"; });

      assert.equal(div[0][0].firstChild.tagName, "B");

      assert.equal(div[0][0].firstChild.textContent, "foo");

      assert.equal(div[0][0].lastChild.tagName, "I");

      assert.equal(div[0][0].lastChild.textContent, "0");

      assert.equal(div[0][1].firstChild.tagName, "B");

      assert.equal(div[0][1].firstChild.textContent, "bar");

      assert.equal(div[0][1].lastChild.tagName, "I");

      assert.equal(div[0][1].lastChild.textContent, "1");

    },

    /*

    https://github.com/tmpvar/jsdom/issues/276

    "clears the inner HTML as null": function(div) {

      div.html(null);

      assert.equal(div[0][0].innerHTML, "");

      assert.isNull(div[0][0].firstChild);

      assert.equal(div[0][1].innerHTML, "");

      assert.isNull(div[0][1].firstChild);

    },

    */

    "clears the inner HTML as a function": function(div) {

      div.html(function() { return ""; });

      assert.equal(div[0][0].innerHTML, "");

      assert.isNull(div[0][0].firstChild);

      assert.equal(div[0][1].innerHTML, "");

      assert.isNull(div[0][1].firstChild);

    },

    "ignores null nodes": function(div) {

      var some = d3.selectAll("div");

      some[0][0] = null;

      div[0][0].innerHTML = "<h1>foo</h1>";

      some.html("bar");

      assert.equal(div[0][0].textContent, "foo");

      assert.equal(div[0][1].textContent, "bar");

    },

    "returns the current selection": function(div) {

      assert.isTrue(div.html("foo") === div);

    }

  }

});

suite.export(module);