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mermaid/cypress/integration/rendering/classDiagram.spec.js

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import { imgSnapshotTest, renderGraph } from '../../helpers/util.ts';
describe('Class diagram', () => {
it('1: should render a simple class diagram', () => {
imgSnapshotTest(
`
classDiagram
Class01 <|-- AveryLongClass : Cool
&lt;&lt;interface&gt;&gt; Class01
Class03 *-- Class04
Class05 o-- Class06
Class07 .. Class08
Class09 --> C2 : Where am i?
Class09 --* C3
Class09 --|> Class07
Class12 <|.. Class08
Class11 ..>Class12
Class07 : equals()
Class07 : Object[] elementData
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class01 : -int privateChimp
Class01 : +int publicGorilla
Class01 : #int protectedMarmoset
Class08 <--> C2: Cool label
class Class10 {
&lt;&lt;service&gt;&gt;
int id
test()
}
`,
{ logLevel: 1 }
);
cy.get('svg');
});
it('2: should render a simple class diagrams with cardinality', () => {
imgSnapshotTest(
`
classDiagram
Class01 "1" <|--|> "*" AveryLongClass : Cool
&lt;&lt;interface&gt;&gt; Class01
Class03 "1" *-- "*" Class04
Class05 "1" o-- "many" Class06
Class07 "1" .. "*" Class08
Class09 "1" --> "*" C2 : Where am i?
Class09 "*" --* "*" C3
Class09 "1" --|> "1" Class07
Class07 : equals()
Class07 : Object[] elementData
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 "1" <--> "*" C2: Cool label
class Class10 {
&lt;&lt;service&gt;&gt;
int id
test()
}
`,
{}
);
cy.get('svg');
});
it('3: should render a simple class diagram with different visibilities', () => {
imgSnapshotTest(
`
classDiagram
Class01 <|-- AveryLongClass : Cool
&lt;&lt;interface&gt;&gt; Class01
Class01 : -privateMethod()
Class01 : +publicMethod()
Class01 : #protectedMethod()
Class01 : -int privateChimp
Class01 : +int publicGorilla
Class01 : #int protectedMarmoset
`,
{}
);
cy.get('svg');
});
it('4: should render a simple class diagram with comments', () => {
imgSnapshotTest(
`
classDiagram
%% this is a comment
Class01 <|-- AveryLongClass : Cool
&lt;&lt;interface&gt;&gt; Class01
Class03 *-- Class04
Class05 o-- Class06
Class07 .. Class08
Class09 --> C2 : Where am i?
Class09 --* C3
Class09 --|> Class07
Class07 : equals()
Class07 : Object[] elementData
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 <--> C2: Cool label
class Class10 {
&lt;&lt;service&gt;&gt;
int id
test()
}
`,
{}
);
cy.get('svg');
});
it('5: should render a simple class diagram with abstract method', () => {
imgSnapshotTest(
`
classDiagram
Class01 <|-- AveryLongClass : Cool
Class01 : someMethod()*
`,
{}
);
cy.get('svg');
});
it('6: should render a simple class diagram with static method', () => {
imgSnapshotTest(
`
classDiagram
Class01 <|-- AveryLongClass : Cool
Class01 : someMethod()$
`,
{}
);
cy.get('svg');
});
it('7: should render a simple class diagram with Generic class', () => {
imgSnapshotTest(
`
classDiagram
class Class01~T~
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 <--> C2: Cool label
class Class10~T~ {
&lt;&lt;service&gt;&gt;
int id
test()
}
`,
{}
);
cy.get('svg');
});
it('8: should render a simple class diagram with Generic class and relations', () => {
imgSnapshotTest(
`
classDiagram
Class01~T~ <|-- AveryLongClass : Cool
Class03~T~ *-- Class04~T~
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 <--> C2: Cool label
class Class10~T~ {
&lt;&lt;service&gt;&gt;
int id
test()
}
`,
{}
);
cy.get('svg');
});
it('9: should render a simple class diagram with clickable link', () => {
imgSnapshotTest(
`
classDiagram
Class01~T~ <|-- AveryLongClass : Cool
Class03~T~ *-- Class04~T~
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 <--> C2: Cool label
class Class10~T~ {
&lt;&lt;service&gt;&gt;
int id
test()
}
link Class01 "google.com" "A Tooltip"
`,
{}
);
cy.get('svg');
});
it('10: should render a simple class diagram with clickable callback', () => {
imgSnapshotTest(
`
classDiagram
Class01~T~ <|-- AveryLongClass : Cool
Class03~T~ *-- Class04~T~
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 <--> C2: Cool label
class Class10~T~ {
&lt;&lt;service&gt;&gt;
int id
test()
}
callback Class01 "functionCall" "A Tooltip"
`,
{}
);
cy.get('svg');
});
it('11: should render a simple class diagram with return type on method', () => {
imgSnapshotTest(
`
classDiagram
class Class10~T~ {
int[] id
test(int[] ids) bool
testArray() bool[]
}
`,
{}
);
cy.get('svg');
});
it('12: should render a simple class diagram with generic types', () => {
imgSnapshotTest(
`
classDiagram
class Class10~T~ {
int[] id
List~int~ ids
test(List~int~ ids) List~bool~
testArray() bool[]
}
`,
{}
);
cy.get('svg');
});
it('13: should render a simple class diagram with css classes applied', () => {
imgSnapshotTest(
`
classDiagram
class Class10 {
int[] id
List~int~ ids
test(List~int~ ids) List~bool~
testArray() bool[]
}
class Class10:::exClass2
`,
{}
);
cy.get('svg');
});
it('14: should render a simple class diagram with css classes applied directly', () => {
imgSnapshotTest(
`
classDiagram
class Class10:::exClass2 {
int[] id
List~int~ ids
test(List~int~ ids) List~bool~
testArray() bool[]
}
`,
{}
);
cy.get('svg');
});
it('15: should render a simple class diagram with css classes applied to multiple classes', () => {
imgSnapshotTest(
`
classDiagram
class Class10
class Class20
cssClass "Class10, Class20" exClass2
class Class20:::exClass2
`,
{}
);
cy.get('svg');
});
it('16: should render multiple class diagrams', () => {
imgSnapshotTest(
[
`
classDiagram
Class01 "1" <|--|> "*" AveryLongClass : Cool
&lt;&lt;interface&gt;&gt; Class01
Class03 "1" *-- "*" Class04
Class05 "1" o-- "many" Class06
Class07 "1" .. "*" Class08
Class09 "1" --> "*" C2 : Where am i?
Class09 "*" --* "*" C3
Class09 "1" --|> "1" Class07
Class07 : equals()
Class07 : Object[] elementData
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 "1" <--> "*" C2: Cool label
class Class10 {
&lt;&lt;service&gt;&gt;
int id
test()
}
`,
`
classDiagram
Class01 "1" <|--|> "*" AveryLongClass : Cool
&lt;&lt;interface&gt;&gt; Class01
Class03 "1" *-- "*" Class04
Class05 "1" o-- "many" Class06
Class07 "1" .. "*" Class08
Class09 "1" --> "*" C2 : Where am i?
Class09 "*" --* "*" C3
Class09 "1" --|> "1" Class07
Class07 : equals()
Class07 : Object[] elementData
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 "1" <--> "*" C2: Cool label
class Class10 {
&lt;&lt;service&gt;&gt;
int id
test()
}
`,
],
{}
);
cy.get('svg');
});
// it('17: should render a class diagram when useMaxWidth is true (default)', () => {
// renderGraph(
// `
// classDiagram
// Class01 <|-- AveryLongClass : Cool
// Class01 : size()
// Class01 : int chimp
// Class01 : int gorilla
// Class01 : -int privateChimp
// Class01 : +int publicGorilla
// Class01 : #int protectedMarmoset
// `,
// { class: { useMaxWidth: true } }
// );
// cy.get('svg')
// .should((svg) => {
// expect(svg).to.have.attr('width', '100%');
// const height = parseFloat(svg.attr('height'));
// expect(height).to.be.within(332, 333);
// // expect(svg).to.have.attr('height', '218');
// const style = svg.attr('style');
// expect(style).to.match(/^max-width: [\d.]+px;$/);
// const maxWidthValue = parseInt(style.match(/[\d.]+/g).join(''));
// // use within because the absolute value can be slightly different depending on the environment ±5%
// expect(maxWidthValue).to.be.within(203, 204);
// });
// });
// it('18: should render a class diagram when useMaxWidth is false', () => {
// renderGraph(
// `
// classDiagram
// Class01 <|-- AveryLongClass : Cool
// Class01 : size()
// Class01 : int chimp
// Class01 : int gorilla
// Class01 : -int privateChimp
// Class01 : +int publicGorilla
// Class01 : #int protectedMarmoset
// `,
// { class: { useMaxWidth: false } }
// );
// cy.get('svg')
// .should((svg) => {
// const width = parseFloat(svg.attr('width'));
// // use within because the absolute value can be slightly different depending on the environment ±5%
// expect(width).to.be.within(100, 101);
// const height = parseFloat(svg.attr('height'));
// expect(height).to.be.within(332, 333);
// // expect(svg).to.have.attr('height', '332');
// // expect(svg).to.not.have.attr('style');
// });
// });
it('19: should render a simple class diagram with notes', () => {
imgSnapshotTest(
`
classDiagram
note "I love this diagram!\nDo you love it?"
class Class10 {
int id
size()
}
note for Class10 "Cool class\nI said it's very cool class!"
`,
{ logLevel: 1 }
);
cy.get('svg');
});
it('should render class diagram with newlines in title', () => {
imgSnapshotTest(`
classDiagram
Animal <|-- \`Du\nck\`
Animal : +int age
Animal : +String gender
Animal: +isMammal()
Animal: +mate()
class \`Du\nck\` {
+String beakColor
+String featherColor
+swim()
+quack()
}
`);
cy.get('svg');
});
it('should render class diagram with many newlines in title', () => {
imgSnapshotTest(`
classDiagram
class \`This\nTitle\nHas\nMany\nNewlines\` {
+String Also
-Stirng Many
#int Members
+And()
-Many()
#Methods()
}
`);
});
it('should render with newlines in title and an annotation', () => {
imgSnapshotTest(`
classDiagram
class \`This\nTitle\nHas\nMany\nNewlines\` {
+String Also
-Stirng Many
#int Members
+And()
-Many()
#Methods()
}
&lt;&lt;Interface&gt;&gt; \`This\nTitle\nHas\nMany\nNewlines\`
`);
});
it('should handle newline title in namespace', () => {
imgSnapshotTest(`
classDiagram
namespace testingNamespace {
class \`This\nTitle\nHas\nMany\nNewlines\` {
+String Also
-Stirng Many
#int Members
+And()
-Many()
#Methods()
}
}
`);
});
it('should handle newline in string label', () => {
imgSnapshotTest(`
classDiagram
class A["This has\na newline!"] {
+String boop
-Int beep
#double bop
}
class B["This title also has\na newline"]
B : +with(more)
B : -methods()
`);
});
it('should handle notes with anchor tag having target attribute', () => {
renderGraph(
`classDiagram
class test { }
note for test "<a href='https://mermaid.js.org/' target="_blank"><code>note about mermaid</code></a>"`
);
cy.get('svg').then((svg) => {
cy.get('a').should('have.attr', 'target', '_blank').should('have.attr', 'rel', 'noopener');
});
});
});
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