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flowchart-v2.spec.js
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flowchart-v2.spec.js
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import { imgSnapshotTest, renderGraph } from '../../helpers/util';
describe('Flowchart v2', () => {
it('1: should render a simple flowchart', () => {
imgSnapshotTest(
`flowchart TD
A[Christmas] -->|Get money| B(Go shopping)
B --> C{Let me think}
C -->|One| D[Laptop]
C -->|Two| E[iPhone]
C -->|Three| F[fa:fa-car Car]
`,
{}
);
});
it('2: should render a simple flowchart with diagramPadding set to 0', () => {
imgSnapshotTest(
`flowchart TD
A[Christmas] -->|Get money| B(Go shopping)
B --> C{Let me think}
%% this is a comment
C -->|One| D[Laptop]
C -->|Two| E[iPhone]
C -->|Three| F[fa:fa-car Car]
`,
{ flowchart: { diagramPadding: 0 } }
);
});
it('3: a link with correct arrowhead to a subgraph', () => {
imgSnapshotTest(
`flowchart TD
P1
P1 -->P1.5
subgraph P1.5
P2
P2.5(( A ))
P3
end
P2 --> P4
P3 --> P6
P1.5 --> P5
`,
{}
);
});
it('4: Length of edges', () => {
imgSnapshotTest(
`flowchart TD
L1 --- L2
L2 --- C
M1 ---> C
R1 .-> R2
R2 <.-> C
C -->|Label 1| E1
C <-- Label 2 ---> E2
C ----> E3
C <-...-> E4
C ======> E5
`,
{}
);
});
it('5: should render escaped without html labels', () => {
imgSnapshotTest(
`flowchart TD
a["<strong>Haiya</strong>"]---->b
`,
{ htmlLabels: false, flowchart: { htmlLabels: false } }
);
});
it('6: should render non-escaped with html labels', () => {
imgSnapshotTest(
`flowchart TD
a["<strong>Haiya</strong>"]===>b
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('7: should render a flowchart when useMaxWidth is true (default)', () => {
renderGraph(
`flowchart TD
A[Christmas] -->|Get money| B(Go shopping)
B --> C{Let me think}
C -->|One| D[Laptop]
C -->|Two| E[iPhone]
C -->|Three| F[fa:fa-car Car]
`,
{ flowchart: { useMaxWidth: true } }
);
cy.get('svg').should((svg) => {
expect(svg).to.have.attr('width', '100%');
// expect(svg).to.have.attr('height');
// use within because the absolute value can be slightly different depending on the environment ±5%
// const height = parseFloat(svg.attr('height'));
// expect(height).to.be.within(446 * 0.95, 446 * 1.05);
const style = svg.attr('style');
expect(style).to.match(/^max-width: [\d.]+px;$/);
const maxWidthValue = parseFloat(style.match(/[\d.]+/g).join(''));
expect(maxWidthValue).to.be.within(290 * 0.95 - 1, 290 * 1.05);
});
});
it('8: should render a flowchart when useMaxWidth is false', () => {
renderGraph(
`flowchart TD
A[Christmas] -->|Get money| B(Go shopping)
B --> C{Let me think}
C -->|One| D[Laptop]
C -->|Two| E[iPhone]
C -->|Three| F[fa:fa-car Car]
`,
{ flowchart: { useMaxWidth: false } }
);
cy.get('svg').should((svg) => {
// const height = parseFloat(svg.attr('height'));
const width = parseFloat(svg.attr('width'));
// use within because the absolute value can be slightly different depending on the environment ±5%
// expect(height).to.be.within(446 * 0.95, 446 * 1.05);
expect(width).to.be.within(290 * 0.95 - 1, 290 * 1.05);
expect(svg).to.not.have.attr('style');
});
});
it('V2 - 16: Render Stadium shape', () => {
imgSnapshotTest(
` flowchart TD
A([stadium shape test])
A -->|Get money| B([Go shopping])
B --> C([Let me think...<br />Do I want something for work,<br />something to spend every free second with,<br />or something to get around?])
C -->|One| D([Laptop])
C -->|Two| E([iPhone])
C -->|Three| F([Car<br/>wroom wroom])
click A "index.html#link-clicked" "link test"
click B testClick "click test"
classDef someclass fill:#f96;
class A someclass;
class C someclass;
`,
{ flowchart: { htmlLabels: false }, fontFamily: 'courier' }
);
});
it('50: handle nested subgraphs in reverse order', () => {
imgSnapshotTest(
`flowchart LR
a -->b
subgraph A
B
end
subgraph B
b
end
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('51: handle nested subgraphs in reverse order', () => {
imgSnapshotTest(
`flowchart LR
a -->b
subgraph A
B
end
subgraph B
b
end
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('52: handle nested subgraphs in several levels', () => {
imgSnapshotTest(
`flowchart TB
b-->B
a-->c
subgraph O
A
end
subgraph B
c
end
subgraph A
a
b
B
end
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('53: handle nested subgraphs with edges in and out', () => {
imgSnapshotTest(
`flowchart TB
internet
nat
routeur
lb1
lb2
compute1
compute2
subgraph project
routeur
nat
subgraph subnet1
compute1
lb1
end
subgraph subnet2
compute2
lb2
end
end
internet --> routeur
routeur --> subnet1 & subnet2
subnet1 & subnet2 --> nat --> internet
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('54: handle nested subgraphs with outgoing links', () => {
imgSnapshotTest(
`flowchart TD
subgraph main
subgraph subcontainer
subcontainer-child
end
subcontainer-child--> subcontainer-sibling
end
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('55: handle nested subgraphs with outgoing links 2', () => {
imgSnapshotTest(
`flowchart TD
subgraph one[One]
subgraph sub_one[Sub One]
_sub_one
end
subgraph sub_two[Sub Two]
_sub_two
end
_one
end
%% here, either the first or the second one
sub_one --> sub_two
_one --> b
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('56: handle nested subgraphs with outgoing links 3', () => {
imgSnapshotTest(
`flowchart TB
subgraph container_Beta
process_C-->Process_D
end
subgraph container_Alpha
process_A-->process_B
process_A-->|messages|process_C
end
process_B-->|via_AWSBatch|container_Beta
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('57: handle nested subgraphs with outgoing links 4', () => {
imgSnapshotTest(
`flowchart LR
subgraph A
a -->b
end
subgraph B
b
end
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('57: handle nested subgraphs with outgoing links 2', () => {
imgSnapshotTest(
`flowchart TB
c1-->a2
subgraph one
a1-->a2
end
subgraph two
b1-->b2
end
subgraph three
c1-->c2
end
one --> two
three --> two
two --> c2
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('57.x: handle nested subgraphs with outgoing links 5', () => {
imgSnapshotTest(
`%% this does not produce the desired result
flowchart TB
subgraph container_Beta
process_C-->Process_D
end
subgraph container_Alpha
process_A-->process_B
process_B-->|via_AWSBatch|container_Beta
process_A-->|messages|process_C
end
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('58: handle styling with style expressions', () => {
imgSnapshotTest(
`
flowchart LR
id1(Start)-->id2(Stop)
style id1 fill:#f9f,stroke:#333,stroke-width:4px
style id2 fill:#bbf,stroke:#f66,stroke-width:2px,color:#fff,stroke-dasharray: 5 5
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('59: handle styling of subgraphs and links', () => {
imgSnapshotTest(
`
flowchart TD
A[Christmas] ==> D
A[Christmas] -->|Get money| B(Go shopping)
A[Christmas] ==> C
subgraph T ["Test"]
A
B
C
end
classDef Test fill:#F84E68,stroke:#333,color:white;
class A,T Test
classDef TestSub fill:green;
class T TestSub
linkStyle 0,1 color:orange, stroke: orange;
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('60: handle styling for all node shapes - v2', () => {
imgSnapshotTest(
`
flowchart LR
A[red text] -->|default style| B(blue text)
C([red text]) -->|default style| D[[blue text]]
E[(red text)] -->|default style| F((blue text))
G>red text] -->|default style| H{blue text}
I{{red text}} -->|default style| J[/blue text/]
K[\\ red text\\] -->|default style| L[/blue text\\]
M[\\ red text/] -->|default style| N[blue text];
O(((red text))) -->|default style| P(((blue text)));
linkStyle default color:Sienna;
style A stroke:#ff0000,fill:#ffcccc,color:#ff0000;
style B stroke:#0000ff,fill:#ccccff,color:#0000ff;
style C stroke:#ff0000,fill:#ffcccc,color:#ff0000;
style D stroke:#0000ff,fill:#ccccff,color:#0000ff;
style E stroke:#ff0000,fill:#ffcccc,color:#ff0000;
style F stroke:#0000ff,fill:#ccccff,color:#0000ff;
style G stroke:#ff0000,fill:#ffcccc,color:#ff0000;
style H stroke:#0000ff,fill:#ccccff,color:#0000ff;
style I stroke:#ff0000,fill:#ffcccc,color:#ff0000;
style J stroke:#0000ff,fill:#ccccff,color:#0000ff;
style K stroke:#ff0000,fill:#ffcccc,color:#ff0000;
style L stroke:#0000ff,fill:#ccccff,color:#0000ff;
style M stroke:#ff0000,fill:#ffcccc,color:#ff0000;
style N stroke:#0000ff,fill:#ccccff,color:#0000ff;
style O stroke:#ff0000,fill:#ffcccc,color:#ff0000;
style P stroke:#0000ff,fill:#ccccff,color:#0000ff;
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose', logLevel: 2 }
);
});
it('61: fontawesome icons in edge labels', () => {
imgSnapshotTest(
`
flowchart TD
C -->|fa:fa-car Car| F[fa:fa-car Car]
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('62: should render styled subgraphs', () => {
imgSnapshotTest(
`
flowchart TB
A
B
subgraph foo[Foo SubGraph]
C
D
end
subgraph bar[Bar SubGraph]
E
F
end
G
A-->B
B-->C
C-->D
B-->D
D-->E
E-->A
E-->F
F-->D
F-->G
B-->G
G-->D
style foo fill:#F99,stroke-width:2px,stroke:#F0F,color:darkred
style bar fill:#999,stroke-width:10px,stroke:#0F0,color:blue
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('63: title on subgraphs should be themable', () => {
imgSnapshotTest(
`
%%{init:{"theme":"base", "themeVariables": {"primaryColor":"#411d4e", "titleColor":"white", "darkMode":true}}}%%
flowchart LR
subgraph A
a --> b
end
subgraph B
i -->f
end
A --> B
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('65: text-color from classes', () => {
imgSnapshotTest(
`
flowchart LR
classDef dark fill:#000,stroke:#000,stroke-width:4px,color:#fff
Lorem --> Ipsum --> Dolor
class Lorem,Dolor dark
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('66: More nested subgraph cases (TB)', () => {
imgSnapshotTest(
`
flowchart TB
subgraph two
b1
end
subgraph three
c2
end
three --> two
two --> c2
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('67: More nested subgraph cases (RL)', () => {
imgSnapshotTest(
`
flowchart RL
subgraph two
b1
end
subgraph three
c2
end
three --> two
two --> c2
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('68: More nested subgraph cases (BT)', () => {
imgSnapshotTest(
`
flowchart BT
subgraph two
b1
end
subgraph three
c2
end
three --> two
two --> c2
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('69: More nested subgraph cases (LR)', () => {
imgSnapshotTest(
`
flowchart LR
subgraph two
b1
end
subgraph three
c2
end
three --> two
two --> c2
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('70: Handle nested subgraph cases (TB) link out and link between subgraphs', () => {
imgSnapshotTest(
`
flowchart TB
subgraph S1
sub1 -->sub2
end
subgraph S2
sub4
end
S1 --> S2
sub1 --> sub4
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('71: Handle nested subgraph cases (RL) link out and link between subgraphs', () => {
imgSnapshotTest(
`
flowchart RL
subgraph S1
sub1 -->sub2
end
subgraph S2
sub4
end
S1 --> S2
sub1 --> sub4
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('72: Handle nested subgraph cases (BT) link out and link between subgraphs', () => {
imgSnapshotTest(
`
flowchart BT
subgraph S1
sub1 -->sub2
end
subgraph S2
sub4
end
S1 --> S2
sub1 --> sub4
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('74: Handle nested subgraph cases (RL) link out and link between subgraphs', () => {
imgSnapshotTest(
`
flowchart RL
subgraph S1
sub1 -->sub2
end
subgraph S2
sub4
end
S1 --> S2
sub1 --> sub4
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('74: Handle labels for multiple edges from and to the same couple of nodes', () => {
imgSnapshotTest(
`
flowchart RL
subgraph one
a1 -- l1 --> a2
a1 -- l2 --> a2
end
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('76: handle unicode encoded character with HTML labels true', () => {
imgSnapshotTest(
`flowchart TB
a{{"Lorem 'ipsum' dolor 'sit' amet, 'consectetur' adipiscing 'elit'."}}
--> b{{"Lorem #quot;ipsum#quot; dolor #quot;sit#quot; amet,#quot;consectetur#quot; adipiscing #quot;elit#quot;."}}
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('2050: handling of different rendering direction in subgraphs', () => {
imgSnapshotTest(
`
flowchart LR
subgraph TOP
direction TB
subgraph B1
direction RL
i1 -->f1
end
subgraph B2
direction BT
i2 -->f2
end
end
A --> TOP --> B
B1 --> B2
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('2388: handling default in the node name', () => {
imgSnapshotTest(
`
flowchart LR
default-index.js --> dot.template.js
index.js --> module-utl.js
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('2824: Clipping of edges', () => {
imgSnapshotTest(
`
flowchart TD
A --> B
A --> C
B --> C
`,
{ htmlLabels: true, flowchart: { htmlLabels: true }, securityLevel: 'loose' }
);
});
it('1433: should render a titled flowchart with titleTopMargin set to 0', () => {
imgSnapshotTest(
`---
title: Simple flowchart
---
flowchart TD
A --> B
`,
{ titleTopMargin: 0 }
);
});
});