// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

library polymer.test.build.script_compactor_test;

import 'package:code_transformers/tests.dart' show testingDartSdkDirectory;
import 'package:polymer/src/build/common.dart';
import 'package:polymer/src/build/script_compactor.dart';
import 'package:smoke/codegen/generator.dart' show DEFAULT_IMPORTS;
import 'package:unittest/compact_vm_config.dart';
import 'package:unittest/unittest.dart';

import 'common.dart';

void main() {
  useCompactVMConfiguration();
  var phases = [[new ScriptCompactor(new TransformOptions(),
      sdkDir: testingDartSdkDirectory)]];
  group('initializers', () => initializerTests(phases));
  group('codegen', () => codegenTests(phases));
}

initializerTests(phases) {
  testPhases('no changes', phases, {
      'a|web/test.html': '<!DOCTYPE html><html></html>',
      'a|web/test.html.scriptUrls': '[]',
    }, {
      'a|web/test.html': '<!DOCTYPE html><html></html>',
    });

  testPhases('no changes outside web/', phases, {
      'a|lib/test.html':
          '<!DOCTYPE html><html><head>',
      'a|lib/test.html.scriptUrls': '[["a","lib/a.dart"]]',
    }, {
      'a|lib/test.html':
          '<!DOCTYPE html><html><head>',
      'a|lib/test.html.scriptUrls': '[["a","lib/a.dart"]]',
    });

  testPhases('single script', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><head>',
      'a|web/test.html.scriptUrls': '[["a","web/a.dart"]]',
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          '@initMethod main(){}',
    }, {
      'a|web/test.html':
          '<!DOCTYPE html><html><head></head><body>'
          '<script type="application/dart" '
          'src="test.html_bootstrap.dart"></script>'
          '</body></html>',

      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          ${DEFAULT_IMPORTS.join('\n')}

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false));
            startPolymer([
                i0.main,
              ]);
          }
          '''.replaceAll('\n          ', '\n'),
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          '@initMethod main(){}',
    });

  testPhases('simple initialization', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><head>',
      'a|web/test.html.scriptUrls': '[["a","web/a.dart"]]',
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          '@CustomTag("x-foo")\n'
          'class XFoo extends PolymerElement {\n'
          '}\n'
          '@initMethod main(){}',
    }, {
      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          ${DEFAULT_IMPORTS.join('\n')}
          import 'a.dart' as smoke_0;
          import 'package:polymer/polymer.dart' as smoke_1;

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false,
                parents: {
                  smoke_0.XFoo: smoke_1.PolymerElement,
                },
                declarations: {
                  smoke_0.XFoo: const {},
                }));
            startPolymer([
                i0.main,
                () => Polymer.register(\'x-foo\', i0.XFoo),
              ]);
          }
          '''.replaceAll('\n          ', '\n'),
    });

  testPhases('use const expressions', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><head>',
      'a|web/test.html.scriptUrls': '[["a","web/a.dart"]]',
      'a|web/b.dart':
          'library a;\n'
          'const x = "x";\n',
      'a|web/c.dart':
          'part of a;\n'
          'const dash = "-";\n',
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          'import "b.dart";\n'
          'part "c.dart";\n'
          'const letterO = "o";\n'
          '@CustomTag("\$x\${dash}f\${letterO}o2")\n'
          'class XFoo extends PolymerElement {\n'
          '}\n',
    }, {
      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          ${DEFAULT_IMPORTS.join('\n')}
          import 'a.dart' as smoke_0;
          import 'package:polymer/polymer.dart' as smoke_1;

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false,
                parents: {
                  smoke_0.XFoo: smoke_1.PolymerElement,
                },
                declarations: {
                  smoke_0.XFoo: const {},
                }));
            startPolymer([
                () => Polymer.register(\'x-foo2\', i0.XFoo),
              ]);
          }
          '''.replaceAll('\n          ', '\n'),
    });

  testPhases('invalid const expression', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><head>',
      'a|web/test.html.scriptUrls': '[["a","web/a.dart"]]',
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          '@CustomTag("\${x}-foo")\n' // invalid, x is not defined
          'class XFoo extends PolymerElement {\n'
          '}\n'
          'main(){}',
    }, {
      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          ${DEFAULT_IMPORTS.join('\n')}
          import 'a.dart' as smoke_0;
          import 'package:polymer/polymer.dart' as smoke_1;

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false,
                parents: {
                  smoke_0.XFoo: smoke_1.PolymerElement,
                },
                declarations: {
                  smoke_0.XFoo: const {},
                }));
            startPolymer([]);
          }
          '''.replaceAll('\n          ', '\n'),

    }, [
      'warning: The parameter to @CustomTag seems to be invalid. '
      '(web/a.dart 2 11)',
      'warning: $NO_INITIALIZERS_ERROR',
    ]);

  testPhases('no polymer import (no warning, but no crash either)', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><head>',
      'a|web/test.html.scriptUrls': '[["a","web/a.dart"]]',
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.broken.import.dart";\n'
          '@CustomTag("x-foo")\n'
          'class XFoo extends PolymerElement {\n'
          '}\n'
          'main(){}',
    }, {
      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          ${DEFAULT_IMPORTS.join('\n')}

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false));
            startPolymer([]);
          }
          '''.replaceAll('\n          ', '\n'),

    }, [
      'warning: $NO_INITIALIZERS_ERROR',
    ]);

  testPhases('several scripts', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><head>'
          '</head><body><div></div>',
      'a|web/test.html.scriptUrls':
          '[["a", "web/a.dart"],["a", "web/b.dart"],["a", "web/c.dart"],'
          '["a", "web/d.dart"]]',
      'a|web/d.dart':
          'library d;\n'
          'import "package:polymer/polymer.dart";\n'
          '@initMethod main(){}\n@initMethod mD(){}',

      'a|web/a.dart':
          'import "package:polymer/polymer.dart";\n'
          '@initMethod mA(){}\n',

      'a|web/b.dart':
          'import "package:polymer/polymer.dart";\n'
          'export "e.dart";\n'
          'export "f.dart" show XF1, mF1;\n'
          'export "g.dart" hide XG1, mG1;\n'
          'export "h.dart" show XH1, mH1 hide mH1, mH2;\n'
          '@initMethod mB(){}\n',

      'a|web/c.dart':
          'import "package:polymer/polymer.dart";\n'
          'part "c_part.dart";\n'
          '@CustomTag("x-c1") class XC1 extends PolymerElement {}\n',

      'a|web/c_part.dart':
          '@CustomTag("x-c2") class XC2 extends PolymerElement {}\n',

      'a|web/e.dart':
          'import "package:polymer/polymer.dart";\n'
          '@CustomTag("x-e") class XE extends PolymerElement {}\n'
          '@initMethod mE(){}\n',

      'a|web/f.dart':
          'import "package:polymer/polymer.dart";\n'
          '@CustomTag("x-f1") class XF1 extends PolymerElement {}\n'
          '@initMethod mF1(){}\n'
          '@CustomTag("x-f2") class XF2 extends PolymerElement {}\n'
          '@initMethod mF2(){}\n',

      'a|web/g.dart':
          'import "package:polymer/polymer.dart";\n'
          '@CustomTag("x-g1") class XG1 extends PolymerElement {}\n'
          '@initMethod mG1(){}\n'
          '@CustomTag("x-g2") class XG2 extends PolymerElement {}\n'
          '@initMethod mG2(){}\n',

      'a|web/h.dart':
          'import "package:polymer/polymer.dart";\n'
          '@CustomTag("x-h1") class XH1 extends PolymerElement {}\n'
          '@initMethod mH1(){}\n'
          '@CustomTag("x-h2") class XH2 extends PolymerElement {}\n'
          '@initMethod mH2(){}\n',
    }, {
      'a|web/test.html':
          '<!DOCTYPE html><html><head></head><body><div></div>'
          '<script type="application/dart" src="test.html_bootstrap.dart">'
          '</script>'
          '</body></html>',

      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          import 'b.dart' as i1;
          import 'c.dart' as i2;
          import 'd.dart' as i3;
          ${DEFAULT_IMPORTS.join('\n')}
          import 'e.dart' as smoke_0;
          import 'package:polymer/polymer.dart' as smoke_1;
          import 'f.dart' as smoke_2;
          import 'g.dart' as smoke_3;
          import 'h.dart' as smoke_4;
          import 'c.dart' as smoke_5;

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false,
                parents: {
                  smoke_5.XC1: smoke_1.PolymerElement,
                  smoke_5.XC2: smoke_1.PolymerElement,
                  smoke_0.XE: smoke_1.PolymerElement,
                  smoke_2.XF1: smoke_1.PolymerElement,
                  smoke_3.XG2: smoke_1.PolymerElement,
                  smoke_4.XH1: smoke_1.PolymerElement,
                },
                declarations: {
                  smoke_5.XC1: const {},
                  smoke_5.XC2: const {},
                  smoke_0.XE: const {},
                  smoke_2.XF1: const {},
                  smoke_3.XG2: const {},
                  smoke_4.XH1: const {},
                }));
            startPolymer([
                i0.mA,
                i1.mB,
                i1.mE,
                i1.mF1,
                i1.mG2,
                () => Polymer.register('x-e', i1.XE),
                () => Polymer.register('x-f1', i1.XF1),
                () => Polymer.register('x-g2', i1.XG2),
                () => Polymer.register('x-h1', i1.XH1),
                () => Polymer.register('x-c1', i2.XC1),
                () => Polymer.register('x-c2', i2.XC2),
                i3.main,
                i3.mD,
              ]);
          }
          '''.replaceAll('\n          ', '\n'),
    }, null);
}

codegenTests(phases) {
  testPhases('bindings', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><body>'
          '<polymer-element name="foo-bar"><template>'
          '<div>{{a.node}}</div>'
          '<div>{{anotherNode}}</div>'
          '<div>{{a.call1(a)}}</div>'
          '<div>{{call2(a)}}</div>'
          '<div class="{{an.attribute}}"></div>'
          '<a href="path/{{within.an.attribute}}/foo/bar"></a>'
          '<div data-attribute="{{anotherAttribute}}"></div>'
          // input and custom-element attributes are treated as 2-way bindings:
          '<input value="{{this.is.twoWay}}">'
          '<input value="{{this.is.twoWayInt | intToStringTransformer}}">'
          '<something-else my-attribute="{{here.too}}"></something-else>'
          '<div on-click="{{methodName}}"></div>'
          '<div on-click="{{@read.method}}"></div>'
          '</template></polymer-element>',
      'a|web/test.html.scriptUrls': '[["a","web/a.dart"]]',
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          '@initMethod main(){}',
    }, {
      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          ${DEFAULT_IMPORTS.join('\n')}

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false,
                getters: {
                  #a: (o) => o.a,
                  #an: (o) => o.an,
                  #anotherAttribute: (o) => o.anotherAttribute,
                  #anotherNode: (o) => o.anotherNode,
                  #attribute: (o) => o.attribute,
                  #call1: (o) => o.call1,
                  #call2: (o) => o.call2,
                  #here: (o) => o.here,
                  #intToStringTransformer: (o) => o.intToStringTransformer,
                  #is: (o) => o.is,
                  #method: (o) => o.method,
                  #methodName: (o) => o.methodName,
                  #node: (o) => o.node,
                  #read: (o) => o.read,
                  #too: (o) => o.too,
                  #twoWay: (o) => o.twoWay,
                  #twoWayInt: (o) => o.twoWayInt,
                  #within: (o) => o.within,
                },
                setters: {
                  #too: (o, v) { o.too = v; },
                  #twoWay: (o, v) { o.twoWay = v; },
                  #twoWayInt: (o, v) { o.twoWayInt = v; },
                },
                names: {
                  #a: r'a',
                  #an: r'an',
                  #anotherAttribute: r'anotherAttribute',
                  #anotherNode: r'anotherNode',
                  #attribute: r'attribute',
                  #call1: r'call1',
                  #call2: r'call2',
                  #here: r'here',
                  #intToStringTransformer: r'intToStringTransformer',
                  #is: r'is',
                  #method: r'method',
                  #methodName: r'methodName',
                  #node: r'node',
                  #read: r'read',
                  #too: r'too',
                  #twoWay: r'twoWay',
                  #twoWayInt: r'twoWayInt',
                  #within: r'within',
                }));
            startPolymer([
                i0.main,
              ]);
          }
          '''.replaceAll('\n          ', '\n'),
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          '@initMethod main(){}',
    });

  final field1Details = "annotations: const [smoke_1.published]";
  final field3Details = "isFinal: true, annotations: const [smoke_1.published]";
  final prop1Details = "kind: PROPERTY, annotations: const [smoke_1.published]";
  final prop3Details =
      "kind: PROPERTY, isFinal: true, annotations: const [smoke_1.published]";
  testPhases('published via annotation', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><body>',
      'a|web/test.html.scriptUrls': '[["a","web/a.dart"]]',
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          '@CustomTag("x-foo")\n'
          'class XFoo extends PolymerElement {\n'
          '  @published int field1;\n'
          '  int field2;\n'
          '  @published final int field3;\n'
          '  final int field4;\n'
          '  @published int get prop1 => 1;\n'
          '  set prop1(int x) {};\n'
          '  int get prop2 => 2;\n'
          '  set prop2(int x) {};\n'
          '  @published int get prop3 => 3;\n'
          '  int get prop4 => 4;\n'
          '  @published int method1() => 1;\n'
          '  int method2() => 2;\n'
          '}\n',
    }, {
      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          ${DEFAULT_IMPORTS.join('\n')}
          import 'a.dart' as smoke_0;
          import 'package:polymer/polymer.dart' as smoke_1;

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false,
                getters: {
                  #field1: (o) => o.field1,
                  #field3: (o) => o.field3,
                  #prop1: (o) => o.prop1,
                  #prop3: (o) => o.prop3,
                },
                setters: {
                  #field1: (o, v) { o.field1 = v; },
                  #prop1: (o, v) { o.prop1 = v; },
                },
                parents: {
                  smoke_0.XFoo: smoke_1.PolymerElement,
                },
                declarations: {
                  smoke_0.XFoo: {
                    #field1: const Declaration(#field1, int, $field1Details),
                    #field3: const Declaration(#field3, int, $field3Details),
                    #prop1: const Declaration(#prop1, int, $prop1Details),
                    #prop3: const Declaration(#prop3, int, $prop3Details),
                  },
                },
                names: {
                  #field1: r'field1',
                  #field3: r'field3',
                  #prop1: r'prop1',
                  #prop3: r'prop3',
                }));
            startPolymer([
                () => Polymer.register(\'x-foo\', i0.XFoo),
              ]);
          }
          '''.replaceAll('\n          ', '\n'),
    });

  testPhases('published via attributes', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><body>'
          '<polymer-element name="x-foo" attributes="field1,prop2">'
          '</polymer-element>',
      'a|web/test.html.scriptUrls': '[["a","web/a.dart"]]',
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          '@CustomTag("x-foo")\n'
          'class XFoo extends PolymerElement {\n'
          '  int field1;\n'
          '  int field2;\n'
          '  int get prop1 => 1;\n'
          '  set prop1(int x) {};\n'
          '  int get prop2 => 2;\n'
          '  set prop2(int x) {};\n'
          '}\n',
    }, {
      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          ${DEFAULT_IMPORTS.join('\n')}
          import 'a.dart' as smoke_0;
          import 'package:polymer/polymer.dart' as smoke_1;

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false,
                getters: {
                  #field1: (o) => o.field1,
                  #prop2: (o) => o.prop2,
                },
                setters: {
                  #field1: (o, v) { o.field1 = v; },
                  #prop2: (o, v) { o.prop2 = v; },
                },
                parents: {
                  smoke_0.XFoo: smoke_1.PolymerElement,
                },
                declarations: {
                  smoke_0.XFoo: {
                    #field1: const Declaration(#field1, int),
                    #prop2: const Declaration(#prop2, int, kind: PROPERTY),
                  },
                },
                names: {
                  #field1: r'field1',
                  #prop2: r'prop2',
                }));
            startPolymer([
                () => Polymer.register(\'x-foo\', i0.XFoo),
              ]);
          }
          '''.replaceAll('\n          ', '\n'),
    });

  final fooDetails =
      "kind: METHOD, annotations: const [const smoke_1.ObserveProperty('x')]";
  final xChangedDetails = "Function, kind: METHOD";
  testPhases('ObserveProperty and *Changed methods', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><body>'
          '</polymer-element>',
      'a|web/test.html.scriptUrls': '[["a","web/a.dart"]]',
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          '@CustomTag("x-foo")\n'
          'class XFoo extends PolymerElement {\n'
          '  int x;\n'
          '  void xChanged() {}\n'
          '  void attributeChanged() {}\n' // should be excluded
          '  @ObserveProperty("x")'
          '  void foo() {}\n'
          '}\n',
    }, {
      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          ${DEFAULT_IMPORTS.join('\n')}
          import 'a.dart' as smoke_0;
          import 'package:polymer/polymer.dart' as smoke_1;

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false,
                getters: {
                  #foo: (o) => o.foo,
                  #xChanged: (o) => o.xChanged,
                },
                parents: {
                  smoke_0.XFoo: smoke_1.PolymerElement,
                },
                declarations: {
                  smoke_0.XFoo: {
                    #foo: const Declaration(#foo, Function, $fooDetails),
                    #xChanged: const Declaration(#xChanged, $xChangedDetails),
                  },
                },
                names: {
                  #foo: r'foo',
                  #xChanged: r'xChanged',
                }));
            startPolymer([
                () => Polymer.register(\'x-foo\', i0.XFoo),
              ]);
          }
          '''.replaceAll('\n          ', '\n'),
    });

  final rcDetails = "#registerCallback, Function, kind: METHOD, isStatic: true";
  testPhases('register callback is included', phases, {
      'a|web/test.html':
          '<!DOCTYPE html><html><body>'
          '</polymer-element>',
      'a|web/test.html.scriptUrls': '[["a","web/a.dart"]]',
      'a|web/a.dart':
          'library a;\n'
          'import "package:polymer/polymer.dart";\n'
          '@CustomTag("x-foo")\n'
          'class XFoo extends PolymerElement {\n'
          '  static registerCallback() {};\n'
          '  static foo() {};\n'
          '}\n',
    }, {
      'a|web/test.html_bootstrap.dart':
          '''$MAIN_HEADER
          import 'a.dart' as i0;
          ${DEFAULT_IMPORTS.join('\n')}
          import 'a.dart' as smoke_0;
          import 'package:polymer/polymer.dart' as smoke_1;

          void main() {
            useGeneratedCode(new StaticConfiguration(
                checkedMode: false,
                parents: {
                  smoke_0.XFoo: smoke_1.PolymerElement,
                },
                declarations: {
                  smoke_0.XFoo: {
                    #registerCallback: const Declaration($rcDetails),
                  },
                },
                staticMethods: {
                  smoke_0.XFoo: {
                    #registerCallback: smoke_0.XFoo.registerCallback,
                  },
                },
                names: {
                  #registerCallback: r'registerCallback',
                }));
            startPolymer([
                () => Polymer.register(\'x-foo\', i0.XFoo),
              ]);
          }
          '''.replaceAll('\n          ', '\n'),
    });
}