12 set automatic tests

.github/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - '*'  # all branches
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v3
+        with:
+          python-version: '3.x'
+
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macOS-latest]
+        python-version: ["3.8", "3.9", "3.10"]
+    steps:
+      - uses: actions/setup-python@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+      - uses: actions/checkout@v3
+      # - name: Install system dependencies
+      #   run: sudo apt-get install -y texlive-latex-base texlive-latex-extra context python3-tk
+      - name: Test with tox
+        run: |
+          pip install tox
+          tox -- --cov tikzplotly --cov-report xml --cov-report term
+      - uses: codecov/[email protected]
+        if: ${{ matrix.python-version == '3.10' && matrix.os == 'ubuntu-latest' }}
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

.gitignore

@@ -20,3 +20,8 @@ venv/
 
 # Distribution / packaging
 dist/
+
+# Tox
+.tox/
+.coverage
+coverage.xml

README.md

@@ -4,6 +4,9 @@
 [![PyPI pyversions](https://img.shields.io/pypi/pyversions/tikzplotly.svg?style=flat-square)](https://pypi.org/pypi/tikzplotly/)
 
 [![Issue](https://img.shields.io/github/issues-raw/thomas-saigre/tikzplotly?style=flat-square)](https://github.com/thomas-saigre/tikzplotly/issues)
+[![codecov](https://img.shields.io/codecov/c/github/thomas-saigre/tikzplotly.svg?style=flat-square)](https://codecov.io/gh/thomas-saigre/tikzplotly)
+![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/thomas-saigre/tikzplotly/ci.yml?style=flat-square)
+
 
 # Tikzplotly
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "tikzplotly"
-version = "0.1.5"
+version = "0.1.6"
 description = "Convert plotly figures to LaTeX / tikz figures"
 readme = "README.md"
 authors = [{name = "Thomas Saigre", email = "[email protected]"}]
@@ -13,7 +13,6 @@ classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",

src/tests/README.md

@@ -1,5 +1,8 @@
 # Run test
 
+This tests are only for devlopment purposes.
+Automatic tests are set-up in [../tests](../tests/) directory.
+
 ```bash
 python3 -m tests.<test-name>
 ```

src/tests/test_heatmaps.py

@@ -6,11 +6,9 @@
 
 import plotly
 import plotly.express as px
-import pandas as pd
 import plotly.graph_objects as go
 import numpy as np
 import datetime
-import numpy as np
 np.random.seed(1)
 
 def fig1():
@@ -168,17 +166,16 @@ def fig11():    # from @JasonGross, see issue https://github.com/thomas-saigre/t
     file_directory = os.path.dirname(os.path.abspath(__file__))
 
     functions = [
-        ("1", fig1),
-        ("2", fig2),
-        # ("3", fig3),          # texttemplate not supported
-        ("4", fig4),
-        ("5", fig5),
-        ("6", fig6),
+        # ("1", fig1),
+        # ("2", fig2),
+        # # ("3", fig3),          # texttemplate not supported
+        # ("4", fig4),
+        # ("5", fig5),
+        # ("6", fig6),
         ("7", fig7),
-        # ("8", fig8),          # Not supported
-        ("9", fig9),
-        ("11", fig11)
-
+        # # ("8", fig8),          # Not supported
+        # ("9", fig9),
+        # ("11", fig11)
     ]
 
     main_tex_content = tex_create_document(options="twocolumn", compatibility="newest")
@@ -190,7 +187,6 @@ def fig11():    # from @JasonGross, see issue https://github.com/thomas-saigre/t
     for i, f in functions:
         print(f"Figure {i}")
         fig, title = f()
-        data = fig.data
         save_path = os.path.join(file_directory, "outputs", "test_heatmap", "fig{}.tex".format(i))
         tikzplotly.save(save_path, fig, img_name=os.path.join(file_directory, "outputs", "test_heatmap", "fig{}.png".format(i)))
         main_tex_content += tex_begin_environment("figure", stack_env)

src/tests/test_markers.py

@@ -1,7 +1,6 @@
 # From https://plotly.com/python/marker-style/
 import plotly
 import plotly.express as px
-import pandas as pd
 import plotly.graph_objects as go
 import numpy as np
 import tikzplotly

src/tikzplotly/__about__.py

@@ -1 +1 @@
-__version__ = "0.1.4"
+__version__ = "0.1.6"

src/tikzplotly/_heatmap.py

@@ -131,8 +131,8 @@ def draw_heatmap(data, fig, img_name, axis: Axis):
         axis.add_option("colormap", get_tikz_colorscale(DEFAULT_COLORSCALE))
 
     tmp = np.where(figure_data == None, np.nan, figure_data)
-    axis.add_option("point meta max", tmp.max())
-    axis.add_option("point meta min", tmp.min())
+    axis.add_option("point meta max", np.nanmax(tmp))
+    axis.add_option("point meta min", np.nanmin(tmp))
     axis.add_option("xmin", xmin)
     axis.add_option("xmax", xmax)
     axis.add_option("ymin", ymax)

src/tikzplotly/_save.py

@@ -78,13 +78,16 @@ def get_tikz_code(
     if include_disclamer:
         code += tex_comment(f"This file was created with tikzplotly version {__version__}.")
 
-    code += data_container.exportData()
-    code += "\n"
+    if len(data_container.data) > 0:
+        code += data_container.exportData()
+        code += "\n"
 
     code += tex_begin_environment("tikzpicture", stack_env, options=tikz_options)
 
     code += "\n"
-    for color in colors_set:
+    color_list = list(colors_set)
+    color_list.sort()
+    for color in color_list:
         code += tex_add_color(color[0], color[1], color[2])
     code += "\n"
 
@@ -107,7 +110,7 @@ def get_tikz_code(
     return code
 
 
-def save(filepath: str | Path, *args, encoding: str | None = None, **kwargs):
+def save(filepath, *args, **kwargs):
     """Save a figure to a file or a stream.
 
     Parameters

tests/helpers.py

@@ -0,0 +1,20 @@
+# Adapted from https://github.com/nschloe/tikzplotlib/blob/450712b4014799ec5f151f234df84335c90f4b9d/tests/helpers.py
+
+import tikzplotly
+
+
+# https://stackoverflow.com/a/845432/353337
+def _unidiff_output(expected, actual):
+    import difflib
+
+    expected = expected.splitlines(1)
+    actual = actual.splitlines(1)
+    diff = difflib.unified_diff(expected, actual)
+    return "".join(diff)
+
+def assert_equality(fig, target_file, **kwargs):
+    tikz_code = tikzplotly.get_tikz_code(fig, include_disclamer=False, **kwargs)
+
+    with open(target_file, encoding="utf-8") as f:
+        reference = f.read()
+    assert reference == tikz_code, target_file + "\n" + _unidiff_output(reference, tikz_code)

tests/test_heatmap.py

@@ -0,0 +1,65 @@
+import plotly.express as px
+import plotly.graph_objects as go
+import numpy as np
+import os
+from .helpers import assert_equality
+import pathlib
+import datetime
+
+this_dir = pathlib.Path(__file__).resolve().parent
+test_name = "test_heatmap"
+pathlib.Path("/tmp/tikzplotly").mkdir(parents=True, exist_ok=True)
+
+def plot_1():
+    fig = px.imshow([[1, 20, 30],
+                    [20, 1, 60],
+                    [30, 60, 1]])
+    return fig
+
+def plot_2():
+    df = px.data.medals_wide(indexed=True)
+    fig = px.imshow(df)
+    return fig
+
+def plot_3():
+    fig = go.Figure(data=go.Heatmap(
+                   z=[[1, None, 30, 50, 1], [20, 1, 60, 80, 30], [30, 60, 1, -10, 20]],
+                   x=['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'],
+                   y=['Morning', 'Afternoon', 'Evening'],
+                   hoverongaps = False))
+    return fig
+
+def plot_4():
+    import plotly.graph_objects as go
+
+    programmers = ['Alex','Nicole','Sara','Etienne','Chelsea','Jody','Marianne']
+
+    base = datetime.datetime(2021, 7, 20, 19, 30, 0)
+    dates = base - np.arange(180) * datetime.timedelta(days=1)
+    np.random.seed(43)
+    z = np.random.poisson(size=(len(programmers), len(dates)))
+
+    fig = go.Figure(data=go.Heatmap(
+            z=z,
+            x=dates,
+            y=programmers,
+            colorscale='Viridis'))
+
+    fig.update_layout(
+        title='GitHub commits per day',
+        xaxis_nticks=36)
+
+    return fig
+
+
+def test_1():
+    assert_equality(plot_1(), os.path.join(this_dir, test_name, test_name + "_1_reference.tex"), img_name="/tmp/tikzplotly/fig1.png")
+
+def test_2():
+    assert_equality(plot_2(), os.path.join(this_dir, test_name, test_name + "_2_reference.tex"), img_name="/tmp/tikzplotly/fig2.png")
+
+def test_3():
+    assert_equality(plot_3(), os.path.join(this_dir, test_name, test_name + "_3_reference.tex"), img_name="/tmp/tikzplotly/fig3.png")
+
+def test_4():
+    assert_equality(plot_4(), os.path.join(this_dir, test_name, test_name + "_4_reference.tex"), img_name="/tmp/tikzplotly/fig4.png")

tests/test_heatmap/test_heatmap_1_reference.tex

@@ -0,0 +1,30 @@
+\begin{tikzpicture}
+
+
+\begin{axis}[
+y dir=reverse,
+colorbar,
+colormap={mycolor}{
+rgb255(0.0cm)=(13,8,135);
+rgb255(0.1111111111111111cm)=(70,3,159);
+rgb255(0.2222222222222222cm)=(114,1,168);
+rgb255(0.3333333333333333cm)=(156,23,158);
+rgb255(0.4444444444444444cm)=(189,55,134);
+rgb255(0.5555555555555556cm)=(216,87,107);
+rgb255(0.6666666666666666cm)=(237,121,83);
+rgb255(0.7777777777777778cm)=(251,159,58);
+rgb255(0.8888888888888888cm)=(253,202,38);
+rgb255(1.0cm)=(240,249,33);
+},
+point meta max=60.0,
+point meta min=1.0,
+xmin=-0.5,
+xmax=2.5,
+ymin=-0.5,
+ymax=2.5,
+tick align=outside,
+tick pos=left
+]
+\addplot+ graphics[includegraphics cmd=\pgfimage,xmin=-0.5, xmax=2.5, ymin=2.5, ymax=-0.5] {/tmp/tikzplotly/fig1.png};
+\end{axis}
+\end{tikzpicture}

tests/test_heatmap/test_heatmap_2_reference.tex

@@ -0,0 +1,36 @@
+\begin{tikzpicture}
+
+
+\begin{axis}[
+y dir=reverse,
+colorbar,
+xtick={0,1,2},
+xticklabels={gold,silver,bronze},
+ytick={0,1,2},
+yticklabels={South Korea,China,Canada},
+colormap={mycolor}{
+rgb255(0.0cm)=(13,8,135);
+rgb255(0.1111111111111111cm)=(70,3,159);
+rgb255(0.2222222222222222cm)=(114,1,168);
+rgb255(0.3333333333333333cm)=(156,23,158);
+rgb255(0.4444444444444444cm)=(189,55,134);
+rgb255(0.5555555555555556cm)=(216,87,107);
+rgb255(0.6666666666666666cm)=(237,121,83);
+rgb255(0.7777777777777778cm)=(251,159,58);
+rgb255(0.8888888888888888cm)=(253,202,38);
+rgb255(1.0cm)=(240,249,33);
+},
+point meta max=24.0,
+point meta min=8.0,
+xmin=-0.5,
+xmax=2.5,
+ymin=-0.5,
+ymax=2.5,
+tick align=outside,
+tick pos=left,
+xlabel=medal,
+ylabel=nation
+]
+\addplot+ graphics[includegraphics cmd=\pgfimage,xmin=-0.5, xmax=2.5, ymin=2.5, ymax=-0.5] {/tmp/tikzplotly/fig2.png};
+\end{axis}
+\end{tikzpicture}

tests/test_heatmap/test_heatmap_3_reference.tex

@@ -0,0 +1,33 @@
+\begin{tikzpicture}
+
+
+\begin{axis}[
+colorbar,
+xtick={0,1,2,3,4},
+xticklabels={Monday,Tuesday,Wednesday,Thursday,Friday},
+ytick={0,1,2},
+yticklabels={Morning,Afternoon,Evening},
+colormap={mycolor}{
+rgb255(0.0cm)=(13,8,135);
+rgb255(0.1111111111111111cm)=(70,3,159);
+rgb255(0.2222222222222222cm)=(114,1,168);
+rgb255(0.3333333333333333cm)=(156,23,158);
+rgb255(0.4444444444444444cm)=(189,55,134);
+rgb255(0.5555555555555556cm)=(216,87,107);
+rgb255(0.6666666666666666cm)=(237,121,83);
+rgb255(0.7777777777777778cm)=(251,159,58);
+rgb255(0.8888888888888888cm)=(253,202,38);
+rgb255(1.0cm)=(240,249,33);
+},
+point meta max=80,
+point meta min=-10,
+xmin=-0.5,
+xmax=4.5,
+ymin=-0.5,
+ymax=2.5,
+tick align=outside,
+tick pos=left
+]
+\addplot+ graphics[includegraphics cmd=\pgfimage,xmin=-0.5, xmax=4.5, ymin=2.5, ymax=-0.5] {/tmp/tikzplotly/fig3.png};
+\end{axis}
+\end{tikzpicture}