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archie_test.go
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archie_test.go
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package archie
import (
"testing"
"github.com/briggysmalls/archie/writers"
"gotest.tools/assert"
)
var yaml = `
elements:
- name: user
kind: actor
- name: sound system
children:
- name: speaker
children:
- name: enclosure
technology: physical
- name: driver
technology: electro-mechanical
- connector
- cable
- name: amplifier
children:
- audio in connector
- audio out connector
- ac-dc converter
- mixer
- amplifier circuit
- name: power button
technology: electro-mechanical
- name: input select
technology: electro-mechanical
associations:
- source: user
destination: sound system/amplifier/input select
- source: sound system/amplifier/input select
destination: sound system/amplifier/mixer
- source: sound system/amplifier/mixer
destination: sound system/amplifier/audio in connector
- source: sound system/amplifier/ac-dc converter
destination: sound system/amplifier/mixer
- source: sound system/amplifier/ac-dc converter
destination: sound system/amplifier/amplifier circuit
- source: sound system/amplifier/amplifier circuit
destination: sound system/amplifier/audio out connector
- source: sound system/amplifier/audio out connector
destination: sound system/speaker/cable
- source: sound system/speaker/cable
destination: sound system/speaker/connector
- source: sound system/speaker/connector
destination: sound system/speaker/driver
- source: sound system/speaker/driver
destination: sound system/speaker/enclosure
- source: sound system/amplifier/power button
destination: sound system/amplifier/ac-dc converter
`
func TestContext(t *testing.T) {
// Create an archie
a, err := New(writers.MermaidStrategy{}, yaml)
assert.NilError(t, err)
// Create a landscape view
_, err = a.ContextView("sound system")
assert.NilError(t, err)
// Create diagram but the scope does not exist
_, err = a.ContextView("I don't exist")
assert.ErrorContains(t, err, "I don't exist")
}
func TestExternalStrategy(t *testing.T) {
// Create a custom strategy
_, err := New(strategy{}, yaml)
assert.NilError(t, err)
}
type strategy struct {
}
func (s strategy) Header(scribe writers.Scribe) {
scribe.WriteLine("graph TD")
scribe.UpdateIndent(1)
}
func (s strategy) Footer(scribe writers.Scribe) {
// Do nothing
}
func (s strategy) Element(scribe writers.Scribe, element writers.Element) {
scribe.WriteLine("%s(%s)", element.ID(), element.Name())
// Also add a hyperlink
scribe.WriteLine("click %s %s", element.ID(), "mermaidCallback")
}
func (s strategy) StartParentElement(scribe writers.Scribe, element writers.Element) {
scribe.WriteLine("subgraph %s", element.Name())
}
func (s strategy) EndParentElement(scribe writers.Scribe, element writers.Element) {
scribe.WriteLine("end")
}
func (s strategy) Association(scribe writers.Scribe, association writers.Association) {
scribe.WriteLine("%s-->%s", association.Source().ID(), association.Destination().ID())
}