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

Implements class CLASS? More...

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Classes

class  GraphViewportItemTest
 Testing AxesItems. More...
 

Functions

 TEST_F (GraphViewportItemTest, addItem)
 Add graph to viewport. More...
 
 TEST_F (GraphViewportItemTest, initialState)
 Initial state. More...
 
 TEST_F (GraphViewportItemTest, onAddItem)
 Check signaling on set data item. More...
 
 TEST_F (GraphViewportItemTest, onSetDataItem)
 Check signaling on set data item. More...
 
 TEST_F (GraphViewportItemTest, setViewportToContentWithMargins)
 Add graph to viewport. 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 graphviewportitem.test.cpp.

Function Documentation

◆ TEST_F() [1/5]

TEST_F ( GraphViewportItemTest  ,
addItem   
)

Add graph to viewport.

Definition at line 47 of file graphviewportitem.test.cpp.

48 {
49  SessionModel model;
50 
51  auto viewport_item = model.insertItem<GraphViewportItem>();
52  auto graph_item = model.insertItem<GraphItem>(viewport_item);
53  auto data_item = model.insertItem<Data1DItem>();
54 
55  const std::vector<double> expected_values = {1.0, 2.0, 3.0};
56  const std::vector<double> expected_centers = {0.5, 1.5, 2.5};
57  data_item->setAxis<FixedBinAxisItem>(3, 0.0, 3.0);
58  data_item->setValues(expected_values);
59 
60  graph_item->setDataItem(data_item);
61  EXPECT_EQ(viewport_item->graphItems().size(), 1);
62 
63  // updating viewport to graph
64  viewport_item->setViewportToContent();
65 
66  // x-axis of viewport should be set to FixedBinAxis of DataItem
67  auto xaxis = viewport_item->xAxis();
68  EXPECT_DOUBLE_EQ(xaxis->property<double>(ViewportAxisItem::P_MIN), expected_centers[0]);
69  EXPECT_DOUBLE_EQ(xaxis->property<double>(ViewportAxisItem::P_MAX), expected_centers[2]);
70 
71  // y-axis of viewport should be set to min/max of expected_content
72  auto yaxis = viewport_item->yAxis();
73  auto [expected_amin, expected_amax] =
74  std::minmax_element(std::begin(expected_values), std::end(expected_values));
75  EXPECT_DOUBLE_EQ(yaxis->property<double>(ViewportAxisItem::P_MIN), *expected_amin);
76  EXPECT_DOUBLE_EQ(yaxis->property<double>(ViewportAxisItem::P_MAX), *expected_amax);
77 }
ModelView::Data1DItem
Represents one-dimensional data (axis and values).
Definition: data1ditem.h:30
ModelView::FixedBinAxisItem
Item to represent fixed bin axis.
Definition: axisitems.h:75
ModelView::GraphItem
One-dimensional graph representation of Data1DItem.
Definition: graphitem.h:29
ModelView::GraphViewportItem
2D viewport specialized for showing multiple GraphItem's.
Definition: graphviewportitem.h:28
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(), ModelView::BasicAxisItem::P_MAX, and ModelView::BasicAxisItem::P_MIN.

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◆ TEST_F() [2/5]

TEST_F ( GraphViewportItemTest  ,
initialState   
)

Initial state.

Definition at line 37 of file graphviewportitem.test.cpp.

38 {
39  GraphViewportItem item;
40  EXPECT_EQ(item.xAxis()->modelType(), Constants::ViewportAxisItemType);
41  EXPECT_EQ(item.yAxis()->modelType(), Constants::ViewportAxisItemType);
42  EXPECT_EQ(item.graphItems().size(), 0);
43 }
ModelView::GraphViewportItem::graphItems
std::vector< GraphItem * > graphItems() const
Returns the selected graph items.
Definition: graphviewportitem.cpp:52
ModelView::SessionItem::modelType
model_type modelType() const
Returns item's model type.
Definition: sessionitem.cpp:80
ModelView::ViewportItem::xAxis
ViewportAxisItem * xAxis() const
Definition: viewportitem.cpp:23
ModelView::ViewportItem::yAxis
ViewportAxisItem * yAxis() const
Definition: viewportitem.cpp:28
ModelView::Constants::ViewportAxisItemType
const model_type ViewportAxisItemType
Definition: mvvm_types.h:62

References ModelView::GraphViewportItem::graphItems(), ModelView::SessionItem::modelType(), ModelView::Constants::ViewportAxisItemType, ModelView::ViewportItem::xAxis(), and ModelView::ViewportItem::yAxis().

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◆ TEST_F() [3/5]

TEST_F ( GraphViewportItemTest  ,
onAddItem   
)

Check signaling on set data item.

Definition at line 81 of file graphviewportitem.test.cpp.

82 {
83  SessionModel model;
84  auto viewport_item = model.insertItem<GraphViewportItem>();
85 
86  MockWidgetForItem widget(viewport_item);
87 
88  const TagRow expected_tagrow{ViewportItem::T_ITEMS, 0};
89  EXPECT_CALL(widget, onDataChange(_, _)).Times(0);
90  EXPECT_CALL(widget, onPropertyChange(_, _)).Times(0);
91  EXPECT_CALL(widget, onChildPropertyChange(_, _)).Times(0);
92  EXPECT_CALL(widget, onItemInserted(viewport_item, expected_tagrow)).Times(1);
93  EXPECT_CALL(widget, onAboutToRemoveItem(_, _)).Times(0);
94 
95  // triggering action
96  model.insertItem<GraphItem>(viewport_item);
97 }
MockWidgetForItem
Mock widget to test ItemMapper functionality.
Definition: mockwidgets.h:36
ModelView::TagRow
Aggregate to hold (tag, row) information for SessionModel.
Definition: tagrow.h:25

References ModelView::SessionModel::insertItem(), and ModelView::ViewportItem::T_ITEMS.

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◆ TEST_F() [4/5]

TEST_F ( GraphViewportItemTest  ,
onSetDataItem   
)

Check signaling on set data item.

Definition at line 101 of file graphviewportitem.test.cpp.

102 {
103  SessionModel model;
104  auto viewport_item = model.insertItem<GraphViewportItem>();
105 
106  // setting upda tata item
107  auto data_item = model.insertItem<Data1DItem>();
108  const std::vector<double> expected_values = {1.0, 2.0, 3.0};
109  const std::vector<double> expected_centers = {0.5, 1.5, 2.5};
110  data_item->setAxis<FixedBinAxisItem>(3, 0.0, 3.0);
111  data_item->setValues(expected_values);
112 
113  // inserting graph item
114  auto graph_item = model.insertItem<GraphItem>(viewport_item);
115 
116  MockWidgetForItem widget(viewport_item);
117 
118  EXPECT_CALL(widget, onDataChange(_, _)).Times(0);
119  EXPECT_CALL(widget, onPropertyChange(_, _)).Times(0);
120  EXPECT_CALL(widget, onChildPropertyChange(graph_item, GraphItem::P_LINK)).Times(1);
121  EXPECT_CALL(widget, onItemInserted(_, _)).Times(0);
122  EXPECT_CALL(widget, onAboutToRemoveItem(_, _)).Times(0);
123 
124  // triggering action
125  graph_item->setDataItem(data_item);
126 }

References ModelView::SessionModel::insertItem(), and ModelView::GraphItem::P_LINK.

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◆ TEST_F() [5/5]

TEST_F ( GraphViewportItemTest  ,
setViewportToContentWithMargins   
)

Add graph to viewport.

Definition at line 130 of file graphviewportitem.test.cpp.

131 {
132  SessionModel model;
133 
134  auto viewport_item = model.insertItem<GraphViewportItem>();
135  auto graph_item = model.insertItem<GraphItem>(viewport_item);
136  auto data_item = model.insertItem<Data1DItem>();
137 
138  const std::vector<double> expected_values = {1.0, 2.0, 3.0};
139  const std::vector<double> expected_centers = {0.5, 1.5, 2.5};
140  data_item->setAxis<FixedBinAxisItem>(3, 0.0, 3.0);
141  data_item->setValues(expected_values);
142 
143  graph_item->setDataItem(data_item);
144  EXPECT_EQ(viewport_item->graphItems().size(), 1);
145 
146  // updating viewport to graph
147  const double bottom{0.1}, top{0.1};
148  viewport_item->setViewportToContent(0.0, top, 0.0, bottom);
149 
150  // x-axis of viewport should be set to FixedBinAxis of DataItem
151  auto xaxis = viewport_item->xAxis();
152  EXPECT_DOUBLE_EQ(xaxis->property<double>(ViewportAxisItem::P_MIN), expected_centers[0]);
153  EXPECT_DOUBLE_EQ(xaxis->property<double>(ViewportAxisItem::P_MAX), expected_centers[2]);
154 
155  // y-axis of viewport should be set to min/max of expected_content
156  auto yaxis = viewport_item->yAxis();
157  auto [expected_amin, expected_amax] =
158  std::minmax_element(std::begin(expected_values), std::end(expected_values));
159 
160  double expected_ymin = *expected_amin - (*expected_amax - *expected_amin) * bottom;
161  double expected_ymax = *expected_amax + (*expected_amax - *expected_amin) * top;
162  EXPECT_DOUBLE_EQ(yaxis->property<double>(ViewportAxisItem::P_MIN), expected_ymin);
163  EXPECT_DOUBLE_EQ(yaxis->property<double>(ViewportAxisItem::P_MAX), expected_ymax);
164 }

References ModelView::SessionModel::insertItem(), ModelView::BasicAxisItem::P_MAX, and ModelView::BasicAxisItem::P_MIN.

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