sile 0.14.8

Simon’s Improved Layout Engine
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SILE = require("core.sile")
SILE.backend = "dummy"
SILE.init()
SILE.utilities.error = error

describe("#counters #package", function ()
  -- We need to instantiate a class first, in order to load a package.
  -- Minimally emulate what SILE does.
  local constructor = require("classes.plain")
  local class = constructor({})
  SILE.documentState.documentClass = class
  -- Then we load the package and can use it as actual code would do.
  class:loadPackage("counters")

  it("should create a simple counter", function ()
    local count = class.packages.counters:formatCounter(class:getCounter("simple"))
    assert.is.equal("0", count)
  end)

  it("should increment a simple counter", function ()
    SILE.call("increment-counter", { id = "simple" })
    local count = class.packages.counters:formatCounter(class:getCounter("simple"))
    assert.is.equal("1", count)
  end)

  it("should increment a simple counter, changing its display", function ()
    SILE.call("increment-counter", { id = "simple", display = "roman" })
    local count = class.packages.counters:formatCounter(class:getCounter("simple"))
    assert.is.equal("ii", count)
  end)

  it("should set a simple counter", function ()
    SILE.call("set-counter", { id = "simple", value = 5 } )
    local count = class.packages.counters:formatCounter(class:getCounter("simple"))
    assert.is.equal("v", count)
  end)

  it("should set a simple counter, changing its display", function ()
    SILE.call("set-counter", { id = "simple", display = "alpha" } )
    local count = class.packages.counters:formatCounter(class:getCounter("simple"))
    assert.is.equal("e", count)
  end)

  it("should create a multilevel counter", function ()
    local count = class.packages.counters:formatMultilevelCounter(class:getMultilevelCounter("multi"))
    assert.is.equal("0", count)
  end)

  it("should increment a multilevel counter at current level", function ()
    SILE.call("increment-multilevel-counter", { id = "multi" })
    local count = class.packages.counters:formatMultilevelCounter(class:getMultilevelCounter("multi"))
    assert.is.equal("1", count)
  end)

  it("should increment a multilevel counter at level 2", function ()
    SILE.call("increment-multilevel-counter", { id = "multi", level = 2 })
    local count = class.packages.counters:formatMultilevelCounter(class:getMultilevelCounter("multi"))
    assert.is.equal("1.1", count)
  end)

  it("should increment a multilevel counter at level 3", function ()
    SILE.call("increment-multilevel-counter", { id = "multi", level = 3 })
    local count = class.packages.counters:formatMultilevelCounter(class:getMultilevelCounter("multi"))
    assert.is.equal("1.1.1", count)
  end)

  it("should increment a multilevel counter at level 2, clearing sub-levels", function ()
    SILE.call("increment-multilevel-counter", { id = "multi", level = 2 })
    local count = class.packages.counters:formatMultilevelCounter(class:getMultilevelCounter("multi"))
    assert.is.equal("1.2", count)
  end)

  it("should set a multilevel counter", function ()
    SILE.call("set-multilevel-counter", { id = "multi", level = 3, value = 5  } )
    local count = class.packages.counters:formatMultilevelCounter(class:getMultilevelCounter("multi"))
    assert.is.equal("1.2.5", count)
  end)

  it("should set a multilevel counter, changing its display", function ()
    SILE.call("set-multilevel-counter", { id = "multi", level = 3, display = "alpha" } )
    local count = class.packages.counters:formatMultilevelCounter(class:getMultilevelCounter("multi"))
    assert.is.equal("1.2.e", count)
  end)

  it("should format a counter with or without leading zeros", function ()
    SILE.call("set-multilevel-counter", { id = "multi", level = 1, value = 0 } )
    SILE.call("increment-multilevel-counter", { id = "multi", level = 2 })
    local count = class.packages.counters:formatMultilevelCounter(class:getMultilevelCounter("multi"))
    assert.is.equal("0.1", count)
    count = class.packages.counters:formatMultilevelCounter(class:getMultilevelCounter("multi"), { noleadingzeros = true })
    assert.is.equal("1", count)
  end)
end)