BornAgain  1.19.0
Simulate and fit neutron and x-ray scattering at grazing incidence
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data2dplotcontroller.test.cpp File Reference

Implements class CLASS? More...

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Classes

class  Data2DPlotControllerTest
 Testing Data1DPlotController. More...
 

Functions

 TEST_F (Data2DPlotControllerTest, dataItemInInitialState)
 Testing controller when Data2DItem is not initialized properly. More...
 
 TEST_F (Data2DPlotControllerTest, dataPoints)
 Testing data points. More...
 
 TEST_F (Data2DPlotControllerTest, dataRange)
 Testing data range. More...
 
 TEST_F (Data2DPlotControllerTest, initialState)
 Initial state. More...
 
 TEST_F (Data2DPlotControllerTest, setAxesAfter)
 Testing controller when Data2DItem got it's axes after controller was set. More...
 
 TEST_F (Data2DPlotControllerTest, twoDataItems)
 Testing two colormap scenario. More...
 

Detailed Description

Implements class CLASS?

Homepage:\n http://www.bornagainproject.org
License:\n GNU General Public License v3 or higher (see COPYING)
Copyright
Forschungszentrum Jülich GmbH 2020
Authors
Gennady Pospelov et al, Scientific Computing Group at MLZ (see CITATION, AUTHORS)

Definition in file data2dplotcontroller.test.cpp.

Function Documentation

◆ TEST_F() [1/6]

TEST_F ( Data2DPlotControllerTest  ,
dataItemInInitialState   
)

Testing controller when Data2DItem is not initialized properly.

Definition at line 56 of file data2dplotcontroller.test.cpp.

57 {
58  // creating custom plot and empty graph on it
59  auto custom_plot = std::make_unique<QCustomPlot>();
60  auto color_map = new QCPColorMap(custom_plot->xAxis, custom_plot->yAxis);
61 
62  // creating data item with single point
63  SessionModel model;
64  auto data_item = model.insertItem<Data2DItem>();
65 
66  // creating controller and point it to Data2DItem
67  Data2DPlotController controller(color_map);
68  EXPECT_NO_THROW(controller.setItem(data_item));
69 
70  // Since data item doesn't contain axes defined, should be no points on colormap.
71  EXPECT_EQ(color_map->data()->keySize(), 0);
72  EXPECT_EQ(color_map->data()->valueSize(), 0);
73 }
ModelView::Data2DItem
Represents two-dimensional data (axes definition and 2d array of values).
Definition: data2ditem.h:29
ModelView::Data2DPlotController
Establish communication between QCPColorMap and Data2DItem.
Definition: data2dplotcontroller.h:31
ModelView::SessionModel
Main class to hold hierarchy of SessionItem objects.
Definition: sessionmodel.h:37
ModelView::SessionModel::insertItem
T * insertItem(SessionItem *parent=nullptr, const TagRow &tagrow={})
Inserts item into given parent under given tagrow.
Definition: sessionmodel.h:104

References ModelView::SessionModel::insertItem().

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◆ TEST_F() [2/6]

TEST_F ( Data2DPlotControllerTest  ,
dataPoints   
)

Testing data points.

Definition at line 105 of file data2dplotcontroller.test.cpp.

106 {
107  // creating custom plot and empty graph on it
108  auto custom_plot = std::make_unique<QCustomPlot>();
109  auto color_map = new QCPColorMap(custom_plot->xAxis, custom_plot->yAxis);
110 
111  // creating data item with single point
112  SessionModel model;
113  auto data_item = model.insertItem<Data2DItem>();
114  const int nx = 3, ny = 2;
115  data_item->setAxes(FixedBinAxisItem::create(nx, 0.0, 3.0),
116  FixedBinAxisItem::create(ny, 0.0, 2.0));
117 
118  // creating controller and point it to Data2DItem
119  Data2DPlotController controller(color_map);
120  controller.setItem(data_item);
121 
122  EXPECT_EQ(color_map->data()->keySize(), nx);
123  EXPECT_EQ(color_map->data()->valueSize(), ny);
124  EXPECT_EQ(color_map->data()->cell(0, 0), 0.0);
125  EXPECT_EQ(color_map->data()->cell(nx - 1, ny - 1), 0.0);
126 
127  // setting data points
128  std::vector<double> expected = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0};
129  data_item->setContent(expected);
130  EXPECT_EQ(color_map->data()->cell(0, 0), 1.0);
131  EXPECT_EQ(color_map->data()->cell(nx - 1, ny - 1), 6.0);
132 
133  // Setting item to nullptr. Current convention is that QCPColorMap loses its data.
134  controller.setItem(nullptr);
135  EXPECT_EQ(color_map->data()->keySize(), 0);
136  EXPECT_EQ(color_map->data()->valueSize(), 0);
137 }
ModelView::Data2DItem::setAxes
void setAxes(std::unique_ptr< BinnedAxisItem > x_axis, std::unique_ptr< BinnedAxisItem > y_axis)
Sets axes and put data points to zero.
Definition: data2ditem.cpp:41

References ModelView::FixedBinAxisItem::create(), ModelView::SessionModel::insertItem(), ModelView::Data2DItem::setAxes(), and ModelView::ItemListenerBase::setItem().

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◆ TEST_F() [3/6]

TEST_F ( Data2DPlotControllerTest  ,
dataRange   
)

Testing data range.

Definition at line 182 of file data2dplotcontroller.test.cpp.

183 {
184  // creating custom plot and empty graph on it
185  auto custom_plot = std::make_unique<QCustomPlot>();
186  auto color_map = new QCPColorMap(custom_plot->xAxis, custom_plot->yAxis);
187 
188  // creating data item with single point
189  SessionModel model;
190  auto data_item = model.insertItem<Data2DItem>();
191  const int nx = 3, ny = 2;
192  data_item->setAxes(FixedBinAxisItem::create(nx, 0.0, 3.0),
193  FixedBinAxisItem::create(ny, 0.0, 2.0));
194  std::vector<double> expected = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0};
195  data_item->setContent(expected);
196 
197  // creating controller and point it to Data2DItem
198  Data2DPlotController controller(color_map);
199  controller.setItem(data_item);
200 
201  QSignalSpy spy(color_map, &QCPColorMap::dataRangeChanged);
202 
203  auto range = color_map->dataRange();
204  EXPECT_EQ(spy.count(), 0);
205  EXPECT_EQ(range.lower, 1.0);
206  EXPECT_EQ(range.upper, 6.0);
207 }

References ModelView::FixedBinAxisItem::create(), ModelView::SessionModel::insertItem(), ModelView::Data2DItem::setAxes(), and ModelView::ItemListenerBase::setItem().

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◆ TEST_F() [4/6]

TEST_F ( Data2DPlotControllerTest  ,
initialState   
)

Initial state.

Definition at line 38 of file data2dplotcontroller.test.cpp.

39 {
40  // Constructor accept valid QCPColorMap
41  EXPECT_THROW(Data2DPlotController(nullptr), std::runtime_error);
42 
43  auto custom_plot = std::make_unique<QCustomPlot>();
44  auto color_map = new QCPColorMap(custom_plot->xAxis, custom_plot->yAxis);
45  color_map->data()->clear(); // to remove default values defined in QCPColorMap
46 
47  Data2DPlotController controller(color_map);
48  EXPECT_EQ(controller.currentItem(), nullptr);
49 
50  EXPECT_EQ(color_map->data()->keySize(), 0);
51  EXPECT_EQ(color_map->data()->valueSize(), 0);
52 }

References ModelView::ItemListener< T >::currentItem().

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◆ TEST_F() [5/6]

TEST_F ( Data2DPlotControllerTest  ,
setAxesAfter   
)

Testing controller when Data2DItem got it's axes after controller was set.

Definition at line 77 of file data2dplotcontroller.test.cpp.

78 {
79  // creating custom plot and empty graph on it
80  auto custom_plot = std::make_unique<QCustomPlot>();
81  auto color_map = new QCPColorMap(custom_plot->xAxis, custom_plot->yAxis);
82 
83  // creating data item with single point
84  SessionModel model;
85  auto data_item = model.insertItem<Data2DItem>();
86 
87  // creating controller and point it to Data2DItem
88  Data2DPlotController controller(color_map);
89  EXPECT_NO_THROW(controller.setItem(data_item));
90 
91  // setting axes after
92  const int nx = 3, ny = 2;
93  data_item->setAxes(FixedBinAxisItem::create(nx, 0.0, 3.0),
94  FixedBinAxisItem::create(ny, 0.0, 2.0));
95 
96  // color map should get shape of axes
97  EXPECT_EQ(color_map->data()->keySize(), nx);
98  EXPECT_EQ(color_map->data()->valueSize(), ny);
99  EXPECT_EQ(color_map->data()->cell(0, 0), 0.0);
100  EXPECT_EQ(color_map->data()->cell(nx - 1, ny - 1), 0.0);
101 }

References ModelView::FixedBinAxisItem::create(), and ModelView::SessionModel::insertItem().

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◆ TEST_F() [6/6]

TEST_F ( Data2DPlotControllerTest  ,
twoDataItems   
)

Testing two colormap scenario.

Definition at line 141 of file data2dplotcontroller.test.cpp.

142 {
143  // creating custom plot and empty graph on it
144  auto custom_plot = std::make_unique<QCustomPlot>();
145  auto color_map = new QCPColorMap(custom_plot->xAxis, custom_plot->yAxis);
146 
147  // creating data item with single point
148  SessionModel model;
149  auto data_item1 = model.insertItem<Data2DItem>();
150  const int nx1 = 3, ny1 = 2;
151  std::vector<double> expected1 = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0};
152  data_item1->setAxes(FixedBinAxisItem::create(nx1, 0.0, 3.0),
153  FixedBinAxisItem::create(ny1, 0.0, 2.0));
154  data_item1->setContent(expected1);
155  auto data_item2 = model.insertItem<Data2DItem>();
156  const int nx2 = 2, ny2 = 1;
157  std::vector<double> expected2 = {10.0, 20.0};
158  data_item2->setAxes(FixedBinAxisItem::create(nx2, 0.0, 3.0),
159  FixedBinAxisItem::create(ny2, 0.0, 2.0));
160  data_item2->setContent(expected2);
161 
162  // creating controller and point it to first Data2DItem
163  Data2DPlotController controller(color_map);
164  controller.setItem(data_item1);
165 
166  EXPECT_EQ(color_map->data()->keySize(), nx1);
167  EXPECT_EQ(color_map->data()->valueSize(), ny1);
168  EXPECT_EQ(color_map->data()->cell(0, 0), 1.0);
169  EXPECT_EQ(color_map->data()->cell(nx1 - 1, ny1 - 1), 6.0);
170 
171  // pointing controller to the second Data2DItem
172  controller.setItem(data_item2);
173 
174  EXPECT_EQ(color_map->data()->keySize(), nx2);
175  EXPECT_EQ(color_map->data()->valueSize(), ny2);
176  EXPECT_EQ(color_map->data()->cell(0, 0), 10.0);
177  EXPECT_EQ(color_map->data()->cell(nx2 - 1, ny2 - 1), 20.0);
178 }

References ModelView::FixedBinAxisItem::create(), ModelView::SessionModel::insertItem(), ModelView::Data2DItem::setAxes(), and ModelView::ItemListenerBase::setItem().

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