Testing!

tests/js/mock/fs.mjs

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+/**
+ *  LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
+ *  Copyright (C) 2021-2024  Ad5001
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { readFileSync as readNode } from "node:fs"
+import { dirname } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __dirname = dirname(fileURLToPath(import.meta.url))
+
+export const HOME = "/home/user"
+export const TMP = "/tmp"
+
+
+const filesystem = {
+    [`${HOME}/test1.lpf`]: readNode(__dirname + "/../../../ci/test1.lpf")
+}
+
+
+export function existsSync(file) {
+    return filesystem[file] !== undefined
+}
+
+export function writeFileSync(file, data, encoding) {
+    filesystem[file] = Buffer.from(data, encoding)
+}
+
+export function readFileSync(file, encoding) {
+    return filesystem[file].toString(encoding)
+}

tests/js/mock/helper.mjs

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+/**
+ *  LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
+ *  Copyright (C) 2021-2024  Ad5001
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { readFileSync, writeFileSync, existsSync } from "./fs.mjs"
+
+const DEFAULT_SETTINGS = {
+    "check_for_updates": true,
+    "reset_redo_stack": true,
+    "last_install_greet": "0",
+    "enable_latex": false,
+    "expression_editor": {
+        "autoclose": true,
+        "colorize": true,
+        "color_scheme": 0
+    },
+    "autocompletion": {
+        "enabled": true
+    },
+    "default_graph": {
+        "xzoom": 100,
+        "yzoom": 10,
+        "xmin": 5 / 10,
+        "ymax": 25,
+        "xaxisstep": "4",
+        "yaxisstep": "4",
+        "xlabel": "",
+        "ylabel": "",
+        "linewidth": 1,
+        "textsize": 18,
+        "logscalex": true,
+        "showxgrad": true,
+        "showygrad": true
+    }
+}
+
+export class MockHelper {
+    constructor() {
+        this.__settings = { ...DEFAULT_SETTINGS }
+    }
+
+    __getSetting(settingName) {
+        const namespace = settingName.split(".")
+        let data = this.__settings
+        for(const name of namespace)
+            if(data.hasOwnProperty(name))
+                data = data[name]
+            else
+                throw new Error(`Setting ${namespace} does not exist.`)
+        return data
+    }
+
+    __setSetting(settingName, value) {
+        const namespace = settingName.split(".")
+        const finalName = namespace.pop()
+        let data = this.__settings
+        for(const name of namespace)
+            if(data.hasOwnProperty(name))
+                data = data[name]
+            else
+                throw new Error(`Setting ${namespace} does not exist.`)
+        data[finalName] = value
+    }
+
+    /**
+     * Gets a setting from the config
+     * @param {string} settingName - Setting (and its dot-separated namespace) to get (e.g. "default_graph.xmin")
+     * @returns {boolean} Value of the setting
+     */
+    getSettingBool(settingName) {
+        return this.__getSetting(settingName) === true
+    }
+
+    /**
+     * Gets a setting from the config
+     * @param {string} settingName - Setting (and its dot-separated namespace) to get (e.g. "default_graph.xmin")
+     * @returns {number} Value of the setting
+     */
+    getSettingInt(settingName) {
+        return +(this.__getSetting(settingName))
+    }
+
+    /**
+     * Gets a setting from the config
+     * @param {string} settingName - Setting (and its dot-separated namespace) to get (e.g. "default_graph.xmin")
+     * @returns {string} Value of the setting
+     */
+    getSetting(settingName) {
+        return this.__getSetting(settingName).toString()
+    }
+
+    /**
+     * Sets a setting in the config
+     * @param {string} settingName - Setting (and its dot-separated namespace) to set (e.g. "default_graph.xmin")
+     * @param {boolean} value
+     */
+    setSettingBool(settingName, value) {
+        return this.__setSetting(settingName, value === true)
+    }
+
+    /**
+     * Sets a setting in the config
+     * @param {string} settingName - Setting (and its dot-separated namespace) to set (e.g. "default_graph.xmin")
+     * @param {number} value
+     */
+    setSettingInt(settingName, value) {
+        return this.__setSetting(settingName, +(value))
+    }
+
+    /**
+     * Sets a setting in the config
+     * @param {string} settingName - Setting (and its dot-separated namespace) to set (e.g. "default_graph.xmin")
+     * @param {string} value
+     */
+    setSetting(settingName, value) {
+        return this.__setSetting(settingName, value.toString())
+    }
+
+    /**
+     * Sends data to be written
+     * @param {string} file
+     * @param {string} dataToWrite - just JSON encoded, requires the "LPFv1" mime to be added before writing
+     */
+    write(file, dataToWrite) {
+        writeFileSync(file, "LPFv1" + dataToWrite)
+    }
+
+    /**
+     * Requests data to be read from a file
+     * @param {string} file
+     * @returns {string} the loaded data - just JSON encoded, requires the "LPFv1" mime to be stripped
+     */
+    load(file) {
+        if(existsSync(file)) {
+            const data = readFileSync(file, "utf8")
+            if(data.startsWith("LPFv1"))
+                return data.substring(5)
+            else
+                throw new Error(`Invalid LogarithmPlotter file.`)
+        } else
+            throw new Error(`File not found.`)
+    }
+
+}

tests/js/mock/latex.mjs

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+/**
+ *  LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
+ *  Copyright (C) 2021-2024  Ad5001
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { TMP, existsSync, writeFileSync } from "./fs.mjs"
+
+const PIXEL = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQAAAAA3bvkkAAAACklEQVR4AWNgAAAAAgABc3UBGAAAAABJRU5ErkJggg=="
+
+export class MockLatex {
+    constructor() {
+    }
+
+    /**
+     * Creates a simple string hash.
+     * @param {string} string
+     * @return {number}
+     * @private
+     */
+    __hash(string) {
+        let hash = 0
+        let i, chr
+        if(string.length === 0) return hash
+        for(i = 0; i < string.length; i++) {
+            chr = string.charCodeAt(i)
+            hash = ((hash << 5) - hash) + chr
+            hash |= 0 // Convert to 32bit integer
+        }
+        return hash
+    }
+
+    /**
+     *
+     * @param {string} markup
+     * @param {number} fontSize
+     * @param {string} color
+     * @return {string}
+     * @private
+     */
+    __getFileName(markup, fontSize, color) {
+        const name = this.__hash(`${markup}_${fontSize}_${color}`)
+        return `${TMP}/${name}.png`
+    }
+
+    /**
+     * @param {string} markup - LaTeX markup to render
+     * @param {number} fontSize - Font size (in pt) to render
+     * @param {string} color - Color of the text to render
+     * @returns {string} - Comma separated data of the image (source, width, height)
+     */
+    render(markup, fontSize, color) {
+        const file = this.__getFileName(markup, fontSize, color)
+        writeFileSync(file, PIXEL, "base64")
+        return `${file},1,1`
+    }
+
+    /**
+     * @param {string} markup - LaTeX markup to render
+     * @param {number} fontSize - Font size (in pt) to render
+     * @param {string} color - Color of the text to render
+     * @returns {string} - Comma separated data of the image (source, width, height)
+     */
+    findPrerendered(markup, fontSize, color) {
+        const file = this.__getFileName(markup, fontSize, color)
+        if(existsSync(file))
+            return `${file},1,1`
+        return ""
+    }
+
+    /**
+     * Checks if the Latex installation is valid
+     * @returns {boolean}
+     */
+    checkLatexInstallation() {
+        return true // We're not *actually* doing any latex.
+    }
+}

tests/js/mock/qt.mjs

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+/**
+ *  LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
+ *  Copyright (C) 2021-2024  Ad5001
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+// Mock qt methods.
+
+/**
+ * Polyfill for Qt.rect.
+ * @param {number} x
+ * @param {number} y
+ * @param {number} width
+ * @param {number} height
+ * @returns {{x, width, y, height}}
+ */
+function rect(x, y, width, height) {
+    return { x, y, width, height }
+}
+
+/**
+ * Mock for QT_TRANSLATE_NOOP and qsTranslate
+ * @param {string} category
+ * @param {string} string
+ * @return {string}
+ */
+function QT_TRANSLATE_NOOP(category, string) {
+    return string
+}
+
+function setup() {
+    globalThis.Qt = {
+        rect
+    }
+
+    globalThis.QT_TRANSLATE_NOOP = QT_TRANSLATE_NOOP
+    globalThis.qsTranslate = QT_TRANSLATE_NOOP
+
+    String.prototype.arg = function() { return this; } // No need to reimplement it for now.
+}
+
+setup()
+
+export default {
+    rect,
+    QT_TRANSLATE_NOOP,
+    qtTranslate: QT_TRANSLATE_NOOP,
+}