Merge branch 'themes-accent' into 'develop'

Themes v3 Part 1 "2.1" codenamed "One step for themes, a giant burder for code reviewers"

Closes #750 and #774

See merge request pleroma/pleroma-fe!1037

1 files changed, 89 insertions, 0 deletions

diff --git a/test/unit/specs/services/theme_data/theme_data.spec.js b/test/unit/specs/services/theme_data/theme_data.spec.js
new file mode 100644
index 00000000..c634cade
--- /dev/null
+++ b/test/unit/specs/services/theme_data/theme_data.spec.js
@@ -0,0 +1,89 @@
+import { getLayersArray, topoSort } from 'src/services/theme_data/theme_data.service.js'
+
+describe('Theme Data utility functions', () => {
+  describe('getLayersArray', () => {
+    const fixture = {
+      layer1: null,
+      layer2: 'layer1',
+      layer3a: 'layer2',
+      layer3b: 'layer2'
+    }
+
+    it('should expand layers properly (3b)', () => {
+      const out = getLayersArray('layer3b', fixture)
+      expect(out).to.eql(['layer1', 'layer2', 'layer3b'])
+    })
+
+    it('should expand layers properly (3a)', () => {
+      const out = getLayersArray('layer3a', fixture)
+      expect(out).to.eql(['layer1', 'layer2', 'layer3a'])
+    })
+
+    it('should expand layers properly (2)', () => {
+      const out = getLayersArray('layer2', fixture)
+      expect(out).to.eql(['layer1', 'layer2'])
+    })
+
+    it('should expand layers properly (1)', () => {
+      const out = getLayersArray('layer1', fixture)
+      expect(out).to.eql(['layer1'])
+    })
+  })
+
+  describe('topoSort', () => {
+    const fixture1 = {
+      layerA: [],
+      layer1A: ['layerA'],
+      layer2A: ['layer1A'],
+      layerB: [],
+      layer1B: ['layerB'],
+      layer2B: ['layer1B'],
+      layer3AB: ['layer2B', 'layer2A']
+    }
+
+    // Same thing but messed up order
+    const fixture2 = {
+      layer1A: ['layerA'],
+      layer1B: ['layerB'],
+      layer2A: ['layer1A'],
+      layerB: [],
+      layer3AB: ['layer2B', 'layer2A'],
+      layer2B: ['layer1B'],
+      layerA: []
+    }
+
+    it('should make a topologically sorted array', () => {
+      const out = topoSort(fixture1, (node, inheritance) => inheritance[node])
+      // This basically checks all ordering that matters
+      expect(out.indexOf('layerA')).to.be.below(out.indexOf('layer1A'))
+      expect(out.indexOf('layer1A')).to.be.below(out.indexOf('layer2A'))
+      expect(out.indexOf('layerB')).to.be.below(out.indexOf('layer1B'))
+      expect(out.indexOf('layer1B')).to.be.below(out.indexOf('layer2B'))
+      expect(out.indexOf('layer2A')).to.be.below(out.indexOf('layer3AB'))
+      expect(out.indexOf('layer2B')).to.be.below(out.indexOf('layer3AB'))
+    })
+
+    it('order in object shouldn\'t matter', () => {
+      const out = topoSort(fixture2, (node, inheritance) => inheritance[node])
+      // This basically checks all ordering that matters
+      expect(out.indexOf('layerA')).to.be.below(out.indexOf('layer1A'))
+      expect(out.indexOf('layer1A')).to.be.below(out.indexOf('layer2A'))
+      expect(out.indexOf('layerB')).to.be.below(out.indexOf('layer1B'))
+      expect(out.indexOf('layer1B')).to.be.below(out.indexOf('layer2B'))
+      expect(out.indexOf('layer2A')).to.be.below(out.indexOf('layer3AB'))
+      expect(out.indexOf('layer2B')).to.be.below(out.indexOf('layer3AB'))
+    })
+
+    it('dependentless nodes should be first', () => {
+      const out = topoSort(fixture2, (node, inheritance) => inheritance[node])
+      // This basically checks all ordering that matters
+      expect(out.indexOf('layerA')).to.eql(0)
+      expect(out.indexOf('layerB')).to.eql(1)
+    })
+
+    it('ignores cyclic dependencies', () => {
+      const out = topoSort({ a: 'b', b: 'a', c: 'a' }, (node, inheritance) => [inheritance[node]])
+      expect(out.indexOf('a')).to.be.below(out.indexOf('c'))
+    })
+  })
+})