add unit tests

poetry.lock

@@ -353,68 +353,6 @@ files = [
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 ]
 
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-version = "1.1.0"
-description = "Python library for calculating contours of 2D quadrilateral grids"
-optional = true
-python-versions = ">=3.8"
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-]
-
-[package.dependencies]
-numpy = ">=1.16"
-
-[package.extras]
-bokeh = ["bokeh", "selenium"]
-docs = ["furo", "sphinx-copybutton"]
-mypy = ["contourpy[bokeh,docs]", "docutils-stubs", "mypy (==1.2.0)", "types-Pillow"]
-test = ["Pillow", "contourpy[test-no-images]", "matplotlib"]
-test-no-images = ["pytest", "pytest-cov", "wurlitzer"]
-
 [[package]]
 name = "contourpy"
 version = "1.1.1"
@@ -1351,8 +1289,8 @@ files = [
 [package.dependencies]
 numpy = [
     {version = ">=1.20.3", markers = "python_version < \"3.10\""},
-    {version = ">=1.21.0", markers = "python_version >= \"3.10\" and python_version < \"3.11\""},
     {version = ">=1.23.2", markers = "python_version >= \"3.11\""},
+    {version = ">=1.21.0", markers = "python_version >= \"3.10\" and python_version < \"3.11\""},
 ]
 python-dateutil = ">=2.8.2"
 pytz = ">=2020.1"
@@ -1496,6 +1434,23 @@ files = [
 dev = ["pre-commit", "tox"]
 testing = ["pytest", "pytest-benchmark"]
 
+[[package]]
+name = "prettytable"
+version = "3.9.0"
+description = "A simple Python library for easily displaying tabular data in a visually appealing ASCII table format"
+optional = false
+python-versions = ">=3.8"
+files = [
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+
+[package.dependencies]
+wcwidth = "*"
+
+[package.extras]
+tests = ["pytest", "pytest-cov", "pytest-lazy-fixture"]
+
 [[package]]
 name = "proxy-tools"
 version = "0.1.0"
@@ -1686,6 +1641,28 @@ files = [
 [package.dependencies]
 typing-extensions = ">=4.6.0,<4.7.0 || >4.7.0"
 
+[[package]]
+name = "pyecharts"
+version = "2.0.4"
+description = "Python options, make charting easier"
+optional = false
+python-versions = "*"
+files = [
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+]
+
+[package.dependencies]
+jinja2 = "*"
+prettytable = "*"
+simplejson = "*"
+
+[package.extras]
+images = ["PIL"]
+phantomjs = ["snapshot-phantomjs"]
+pyppeteer = ["snapshot-pyppeteer"]
+selenium = ["snapshot-selenium"]
+
 [[package]]
 name = "pygments"
 version = "2.17.2"
@@ -2097,6 +2074,7 @@ files = [
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@@ -2214,6 +2192,113 @@ wsproto = "*"
 [package.extras]
 docs = ["sphinx"]
 
+[[package]]
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+version = "3.19.2"
+description = "Simple, fast, extensible JSON encoder/decoder for Python"
+optional = false
+python-versions = ">=2.5, !=3.0.*, !=3.1.*, !=3.2.*"
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+    {file = "simplejson-3.19.2-py3-none-any.whl", hash = "sha256:bcedf4cae0d47839fee7de344f96b5694ca53c786f28b5f773d4f0b265a159eb"},
+    {file = "simplejson-3.19.2.tar.gz", hash = "sha256:9eb442a2442ce417801c912df68e1f6ccfcd41577ae7274953ab3ad24ef7d82c"},
+]
+
 [[package]]
 name = "six"
 version = "1.16.0"
@@ -2549,6 +2634,17 @@ files = [
 [package.dependencies]
 anyio = ">=3.0.0"
 
+[[package]]
+name = "wcwidth"
+version = "0.2.13"
+description = "Measures the displayed width of unicode strings in a terminal"
+optional = false
+python-versions = "*"
+files = [
+    {file = "wcwidth-0.2.13-py2.py3-none-any.whl", hash = "sha256:3da69048e4540d84af32131829ff948f1e022c1c6bdb8d6102117aac784f6859"},
+    {file = "wcwidth-0.2.13.tar.gz", hash = "sha256:72ea0c06399eb286d978fdedb6923a9eb47e1c486ce63e9b4e64fc18303972b5"},
+]
+
 [[package]]
 name = "webdriver-manager"
 version = "3.9.1"
@@ -2684,4 +2780,4 @@ plotly = ["plotly"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "7de9e029cfe07dc1abc8b3fdf162c71190f991b417e4c647f664de7bef0910be"
+content-hash = "32817602e6c04a99b67ed14304d06cbf2f497983efa5c7874fe49ade6d96d28c"

pyproject.toml

@@ -56,6 +56,7 @@ numpy = [
 selenium = "^4.11.2"
 beautifulsoup4 = "^4.12.2"
 urllib3 = ">=1.26.18,^1.26 || >=2.0.7" # https://github.com/zauberzeug/nicegui/security/dependabot/23
+pyecharts = "^2.0.4"
 
 [build-system]
 requires = [

tests/test_echart.py

@@ -1,3 +1,7 @@
+from pyecharts import options
+from pyecharts.charts import Bar
+from pyecharts.commons import utils
+
 from nicegui import ui
 from nicegui.testing import Screen
 
@@ -76,3 +80,39 @@ def test_run_method(screen: Screen):
     screen.open('/')
     screen.click('Get Width')
     screen.should_contain('Width: 600px')
+
+
+
+def test_create_from_pyecharts(screen: Screen):
+    xaxis_formatter = r'(val, idx) => `x for ${val}`'
+    yaxis_formatter = r'(val, idx) => `${val} kg`'
+    get_options_js = "echarts.getInstanceByDom(document.querySelector('.nicegui-echart')).getOption()"
+
+    ui.echart.from_pyecharts(
+        Bar()
+        .add_xaxis(['A', 'B', 'C'])
+        .add_yaxis('series A', [0.1,0.2,0.3],)
+        .set_global_opts(
+            xaxis_opts=options.AxisOpts(axislabel_opts={':formatter': xaxis_formatter}),
+            yaxis_opts=options.AxisOpts(axislabel_opts={'formatter': utils.JsCode(yaxis_formatter)}),
+        )
+    )
+    
+    label = ui.label('')
+
+    async def get_xAxis_formatter():
+        type_str,formatter= await ui.run_javascript(f"const fm={get_options_js}.xAxis[0].axisLabel.formatter;[typeof fm,fm.toString()]")
+        label.set_text(f"xAxis formatter is {type_str}: {formatter}")
+    ui.button('Get xAxis formatter', on_click=get_xAxis_formatter)
+
+    async def get_yAxis_formatter():
+        type_str,formatter= await ui.run_javascript(f"const fm={get_options_js}.yAxis[0].axisLabel.formatter;[typeof fm,fm.toString()]")
+        label.set_text(f"yAxis formatter is {type_str}: {formatter}")
+    ui.button('Get yAxis formatter', on_click=get_yAxis_formatter)
+
+    screen.open('/')
+    screen.click('Get xAxis formatter')
+    screen.should_contain(f"formatter is function: {xaxis_formatter}")
+
+    screen.click('Get yAxis formatter')
+    screen.should_contain(f"formatter is function: {yaxis_formatter}")