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test/plotex_test.exs
defmodule PlotexTest do
require Logger
use ExUnit.Case
alias Plotex.Axis
alias Plotex.ViewRange
alias Plotex.Output.Options
@default_css
doctest Plotex
test "data plots" do
xdata = 1..4 |> Enum.map(& &1 )
ydata = xdata |> Enum.map(& :math.sin(&1/10.0) )
xlims = Plotex.NumberUnits.range_from(xdata) |> Plotex.ViewRange.new(:horiz)
xaxis = %Axis{limits: xlims}
# Logger.warn("xlims: #{inspect xlims}")
# Logger.warn("xaxis: #{inspect xaxis}")
ylims = Plotex.NumberUnits.range_from(ydata) |> Plotex.ViewRange.new(:vert)
yaxis = %Axis{limits: ylims}
# Logger.warn("ylims: #{inspect ylims}")
# Logger.warn("yaxis: #{inspect yaxis}")
{xrng, yrng} = Plotex.plot_data({xdata, ydata}, xaxis, yaxis)
# Logger.warn("xrng: #{inspect xrng |> Enum.to_list()}")
# Logger.warn("yrng: #{inspect yrng |> Enum.to_list()}")
xs = [{1, 10.0}, {2, 36.66666666666667}, {3, 63.333333333333336}, {4, 90.0}]
assert xs == Enum.to_list(xrng)
ys = [{0.09983341664682815, 10.0}, {0.19866933079506122, 37.30415995856187}, {0.29552020666133955, 64.05993825604988}, {0.3894183423086505, 90.0}]
assert ys == Enum.to_list(yrng)
end
test "plot limits" do
xdata = 1..4 |> Enum.map(& &1 )
ydata = xdata |> Enum.map(& :math.sin(&1/10.0) )
xlims = Plotex.NumberUnits.range_from(xdata) |> Plotex.ViewRange.new()
xaxis = %Axis{limits: xlims}
ylims = Plotex.NumberUnits.range_from(ydata) |> Plotex.ViewRange.new()
yaxis = %Axis{limits: ylims}
{xrng, yrng} = Plotex.limits([{xdata, ydata}])
assert xrng = %Plotex.ViewRange{projection: :cartesian, start: 0.85, stop: 4.15}
assert yrng = %Plotex.ViewRange{projection: :cartesian, start: 0.08535417036373703, stop: 0.40389758859174163}
end
test "simple plot" do
xdata = 1..4 |> Enum.map(& &1 )
ydata = xdata |> Enum.map(& :math.sin(&1/10.0) )
plt = Plotex.plot([{xdata, ydata}])
# Logger.warn("plotex cfg: #{inspect plt }")
end
test "nil plot" do
xdata = []
ydata = []
plt = Plotex.plot([{xdata, ydata}])
# Logger.warn("plotex cfg: #{inspect plt }")
end
# test "nil date plot" do
# xdata = []
# ydata = []
# plt = Plotex.plot([{xdata, ydata}], xkind: :datetime)
# Logger.warn("plotex cfg: #{inspect plt }")
# end
test "date plot" do
xdata = [0.0, 2.0, 3.0, 4.0]
ydata = [0.1, 0.25, 0.15, 0.1]
plt = Plotex.plot([{xdata, ydata}], xkind: :numeric)
# Logger.warn("plotex cfg: #{inspect plt }")
# for xt <- plt.xticks do
# Logger.info("xtick: #{inspect xt}")
# end
# for yt <- plt.yticks do
# Logger.info("xtick: #{inspect yt}")
# end
# for data <- plt.datasets do
# for {x,y} <- data do
# Logger.info("data: #{inspect {x,y}}")
# end
# end
end
test "svg plot" do
xdata = [0.0, 2.0, 3.0, 4.0]
ydata = [0.1, 0.25, 0.15, 0.1]
plt = Plotex.plot([{xdata, ydata}], xkind: :numeric, xaxis: [padding: 0.05])
# Logger.warn("svg plotex cfg: #{inspect plt, pretty: true }")
svg_str = Plotex.Output.Svg.generate(
plt,
%Options{
xaxis: %Options.Axis{ label: %Options.Item{ rotate: 35 }},
xaxis: %Options.Axis{ label: %Options.Item{ rotate: 35 }},
}
) |> Phoenix.HTML.safe_to_string()
# Logger.warn("SVG: \n#{svg_str}")
html_str = """
<html>
<head>
<style>
#{Plotex.Output.Svg.default_css()}
</style>
</head>
<body>
#{svg_str}
</body>
</html>
"""
File.write!("output.html", html_str)
end
test "svg datetime (short) plot" do
xdata = [
DateTime.from_iso8601("2019-05-20T05:04:12.836Z") |> elem(1),
DateTime.from_iso8601("2019-05-20T05:04:17.836Z") |> elem(1),
DateTime.from_iso8601("2019-05-20T05:04:23.836Z") |> elem(1),
DateTime.from_iso8601("2019-05-20T05:04:25.836Z") |> elem(1),
]
ydata = [0.1, 0.25, 0.15, 0.1]
plt = Plotex.plot(
[{xdata, ydata}],
xaxis: [kind: :datetime,
ticks: 5,
padding: 0.05]
)
# Logger.warn("svg plotex cfg: #{inspect plt, pretty: true }")
svg_str =
Plotex.Output.Svg.generate(
plt,
%Options{
# xaxis: [rotate: 35, offset: '2.5em' ],
xaxis: %Options.Axis{ label: %Options.Item{ rotate: 35 } },
yaxis: %Options.Axis{ label: %Options.Item{ } },
}
) |> Phoenix.HTML.safe_to_string()
# Logger.warn("SVG: \n#{svg_str}")
html_str = """
<html>
<head>
<style>
#{Plotex.Output.Svg.default_css()}
</style>
</head>
<body>
#{svg_str}
</body>
</html>
"""
File.write!("output-dt.html", html_str)
end
test "svg datetime (hours) plot" do
xdata = [
DateTime.from_iso8601("2019-05-20T05:04:12.836Z") |> elem(1),
DateTime.from_iso8601("2019-05-20T05:13:17.836Z") |> elem(1),
DateTime.from_iso8601("2019-05-20T05:21:23.836Z") |> elem(1),
DateTime.from_iso8601("2019-05-20T05:33:25.836Z") |> elem(1),
]
ydata = [0.1, 0.25, 0.15, 0.1]
plt = Plotex.plot(
[{xdata, ydata}],
xaxis: [kind: :datetime,
ticks: 5,
padding: 0.05]
)
# Logger.warn("svg plotex cfg: #{inspect plt, pretty: true }")
svg_str =
Plotex.Output.Svg.generate(
plt,
%Options{
# xaxis: [rotate: 35, offset: '2.5em' ],
xaxis: %Options.Axis{ label: %Options.Item{ rotate: 35 } },
yaxis: %Options.Axis{ },
}
) |> Phoenix.HTML.safe_to_string()
# Logger.warn("SVG: \n#{svg_str}")
html_str = """
<html>
<head>
<style>
#{Plotex.Output.Svg.default_css()}
</style>
</head>
<body>
#{svg_str}
</body>
</html>
"""
File.write!("output-dt-hours.html", html_str)
end
test "svg naivedatetime (hours) plot" do
xdata = [
NaiveDateTime.from_iso8601("2019-05-20T05:04:12.836") |> elem(1),
NaiveDateTime.from_iso8601("2019-05-20T05:13:17.836") |> elem(1),
NaiveDateTime.from_iso8601("2019-05-20T05:21:23.836") |> elem(1),
NaiveDateTime.from_iso8601("2019-05-20T05:33:25.836") |> elem(1),
]
ydata = [0.1, 0.25, 0.15, 0.1]
plt = Plotex.plot(
[{xdata, ydata}],
xaxis: [kind: :datetime,
ticks: 5,
padding: 0.05]
)
# Logger.warn("svg plotex cfg: #{inspect plt, pretty: true }")
svg_str =
Plotex.Output.Svg.generate(
plt,
%Options{
xaxis: %Options.Axis{ label: %Options.Item{ rotate: 35, offset: 5.0 } },
yaxis: %Options.Axis{ label: %Options.Item{ offset: 5.0 } },
}
) |> Phoenix.HTML.safe_to_string()
# Logger.warn("SVG: \n#{svg_str}")
html_str = """
<html>
<head>
<style>
#{Plotex.Output.Svg.default_css()}
</style>
</head>
<body>
#{svg_str}
</body>
</html>
"""
File.write!("output-naive-dt-hours.html", html_str)
end
end