test_as_git_module.py

import sys

from tempground import *

module="io.github.rtmigo:dec"

url="https://github.com/rtmigo/dec_kt"

code="""
    import io.github.rtmigo.dec.*
    import kotlinx.serialization.*
    import kotlinx.serialization.json.Json

    fun main() {
        Json.encodeToString(Dec(5.23))

        println(Dec(12.3))
    }
"""

try:
    imp_details = """{ version { branch = "__BRANCH__" } }""".replace("__BRANCH__", "dev")
except IndexError:
    imp_details = ""

if __name__ == "__main__":

    with TempGround(
            files={
                # minimalistic build script to use the library
                "build.gradle.kts": """
                    plugins {
                        id("application")
                        kotlin("jvm") version "1.6.20"
                        id("org.jetbrains.kotlin.plugin.serialization") version "1.6.20"
                    }
    
                    repositories { mavenCentral() }
                    application { mainClass.set("MainKt") }
    
                    dependencies {
                        implementation("__MODULE__") __IMP_DETAILS__
                        implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.2")
                    }
                """.replace("__MODULE__", module).replace("__IMP_DETAILS__", imp_details),

                # additional settings, if necessary
                "settings.gradle.kts": """
                    sourceControl {
                        gitRepository(java.net.URI("__URL__.git")) {
                            producesModule("__MODULE__")
                        }
                    }
                """.replace("__MODULE__", module).replace("__URL__", url),

                # kotlin code that imports and uses the library
                "src/main/kotlin/Main.kt": code}) as app:

        print(app.files_content())
        result = app.run(["gradle", "run", "-q"])
        print(result)

        assert result.returncode == 0
        assert result.stdout == "12.3\n", result.stdout

    print("Everything is OK!")