Update dependencies (#6)

Reviewed-on: #6

.gitea/workflows/workflow.yaml

@@ -1,44 +0,0 @@
-name: Go
-
-on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ main ]
-
-jobs:
-  build:
-    runs-on: ubuntu-24.04
-
-    steps:
-    - uses: actions/checkout@v5
-
-    - name: Set up Go
-      uses: actions/setup-go@v6
-      with:
-        go-version: '1.26.1'
-
-    - name: Build
-      run: |
-        echo "Initializing config"
-        mkdir -p ~/.ssh
-        echo "${{ secrets.MYREPO_TOKEN }}" > ~/.ssh/textsender_models_deploy_key
-        chmod 600 ~/.ssh/textsender_models_deploy_key
-        ssh-keyscan ${{ secrets.MY_HOST }} >> ~/.ssh/known_hosts
- 
-        eval $(ssh-agent -s)
-        ssh-add -v ~/.ssh/textsender_models_deploy_key
-
-        go env -w GOPRIVATE='${{ secrets.GIT_HOST_ROOT }}'
-
-        echo "Creating local .gitconfig"
-        touch ~/.gitconfig
-        cat > ~/.gitconfig << "EOF"
-        [url "ssh://git@${{ secrets.GIT_HOST_ROOT }}"]
-          insteadOf = https://${{ secrets.GIT_HOST_ROOT }}
-        EOF
-
-        make build
-
-    - name: Test
-      run: go test -v ./...

.gitea/workflows/workflow.yml

@@ -0,0 +1,106 @@
+name: Rust Build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: 1.95
+      - uses: Swatinem/rust-cache@v2
+      - run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.MYREPO_TOKEN }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan ${{ secrets.MY_HOST }} >> ~/.ssh/known_hosts
+          eval $(ssh-agent -s)
+          ssh-add -v ~/.ssh/deploy_key
+          cargo check
+
+  test:
+    name: Test Suite
+    runs-on: ubuntu-24.04
+    needs: setup_ssh
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: 1.95
+      - uses: Swatinem/rust-cache@v2
+      - run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.MYREPO_TOKEN }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan ${{ secrets.MY_HOST }} >> ~/.ssh/known_hosts
+          eval $(ssh-agent -s)
+          ssh-add -v ~/.ssh/deploy_key
+          cargo test
+
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-24.04
+    needs: setup_ssh
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: 1.95
+      - uses: Swatinem/rust-cache@v2
+      - run: rustup component add rustfmt
+      - run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.MYREPO_TOKEN }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan ${{ secrets.MY_HOST }} >> ~/.ssh/known_hosts
+          eval $(ssh-agent -s)
+          ssh-add -v ~/.ssh/deploy_key
+          cargo fmt --all -- --check
+
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-24.04
+    needs: setup_ssh
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: 1.95
+      - uses: Swatinem/rust-cache@v2
+      - run: rustup component add clippy
+      - run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.MYREPO_TOKEN }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan ${{ secrets.MY_HOST }} >> ~/.ssh/known_hosts
+          eval $(ssh-agent -s)
+          ssh-add -v ~/.ssh/deploy_key
+          cargo clippy -- -D warnings
+
+  build:
+    name: build
+    runs-on: ubuntu-24.04
+    needs: setup_ssh
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: 1.95
+      - uses: Swatinem/rust-cache@v2
+      - run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.MYREPO_TOKEN }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan ${{ secrets.MY_HOST }} >> ~/.ssh/known_hosts
+          eval $(ssh-agent -s)
+          ssh-add -v ~/.ssh/deploy_key
+          cargo build --release

.gitignore

@@ -1,3 +1,2 @@
-/vendor
+target/
-/clean_file
 numbers.json

Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "clean_file"
+version = "1.0.1"
+edition = "2024"
+rust-version = "1.95"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[dependencies]
+tokio = { version = "1.52.2", features = ["full"] }
+futures = { version = "0.3.32" }
+serde = { version = "1.0.228", features = ["derive"] }
+serde_json = { version = "1.0.149" }
+textsender_models = { git = "ssh://git@git.kundeng.us/phoenix/textsender-models.git", tag = "v0.3.0" }
+
+[dev-dependencies]
+tempfile = { version = "3.27.0" }
+async-std = { version = "1.13.2" }

Makefile

@@ -1,22 +0,0 @@
-VERSION ?= $(shell git describe --tags 2>/dev/null || echo "dev")
-COMMIT ?= $(shell git rev-parse --short HEAD)
-BUILD_TIME ?= $(shell date -u +%Y-%m-%dT%H:%M:%SZ)
-GO_VERSION ?= $(shell go version | awk '{print $$3}')
-
-.PHONY: build
-build:
-	go build -ldflags="\
-		-X 'git.kundeng.us/phoenix/clean_file/internal/version.Version=$(VERSION)' \
-		-X 'git.kundeng.us/phoenix/clean_file/internal/version.BuildTime=$(BUILD_TIME)' \
-		-X 'git.kundeng.us/phoenix/clean_file/internal/version.Commit=$(COMMIT)' \
-		-X 'git.kundeng.us/phoenix/clean_file/internal/version.GoVersion=$(GO_VERSION)'" \
-		-o clean_file cmd/clean_file/main.go
-
-.PHONY: install
-install:
-	go install -ldflags="\
-		-X 'git.kundeng.us/phoenix/clean_file/internal/version.Version=$(VERSION)' \
-		-X 'git.kundeng.us/phoenix/clean_file/internal/version.BuildTime=$(BUILD_TIME)' \
-		-X 'git.kundeng.us/phoenix/clean_file/internal/version.Commit=$(COMMIT)' \
-		-X 'git.kundeng.us/phoenix/clean_file/internal/version.GoVersion=$(GO_VERSION)'"
-		-o clean_file cmd/clean_file/main.go

README.md

@@ -1,8 +0,0 @@
-CLI software that processes a text file containing US phone numbers
-and sanitizes the numbers. The result is contained in a json file.
-
-## Building
-
-```
-make build
-```

cmd/clean_file/main.go

@@ -1,39 +0,0 @@
-package main
-
-import (
-	"flag"
-	"fmt"
-	"log"
-	"os"
-
-	"git.kundeng.us/phoenix/clean_file/internal/parser"
-	"git.kundeng.us/phoenix/clean_file/internal/version"
-)
-
-func main() {
-	args := os.Args
-
-	if len(args) < 2 {
-		log.Println("Invalid arguments provided")
-		os.Exit(-1)
-	}
-
-	versionFlag := flag.Bool("version", false, "Print version information")
-	flag.Parse()
-
-	if *versionFlag {
-		fmt.Println(version.String())
-		return
-	}
-
-	log.Println("clean_file")
-	filepath := args[1]
-
-	log.Println("File path:", filepath)
-	prsr := parser.NumberParser{FilePath: filepath}
-
-	numbers := prsr.FileDump()
-	prsr.PrintValues(numbers, true)
-
-	prsr.SaveFile(numbers)
-}

go.mod

@@ -1,7 +0,0 @@
-module git.kundeng.us/phoenix/clean_file
-
-go 1.26.1
-
-require git.kundeng.us/phoenix/textsender-models v0.2.0
-
-require github.com/google/uuid v1.6.0 // indirect

go.sum

@@ -1,4 +0,0 @@
-git.kundeng.us/phoenix/textsender-models v0.2.0 h1:smz8Fs8VOs1Ya23txbOM0YPRidZIsM0yE9unHF0D/nQ=
-git.kundeng.us/phoenix/textsender-models v0.2.0/go.mod h1:3CkqA/HFKPhpMYxkKn5uVbZEzEbG3sofLZE8pZ1BHO4=
-github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
-github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=

internal/parser/parser.go

@@ -1,169 +0,0 @@
-package parser
-
-import (
-	"bufio"
-	"encoding/json"
-	"fmt"
-	"log"
-	"os"
-	"strings"
-	"unicode"
-
-	"git.kundeng.us/phoenix/textsender-models/tx0/contact"
-)
-
-const Letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
-
-type NumberParser struct {
-	FilePath string
-}
-
-func (prsr *NumberParser) FileDump() []contact.Contact {
-	log.Println("Dumping files")
-	objs := []contact.Contact{}
-
-	for _, line := range prsr.readLines(prsr.FilePath) {
-		if strings.ContainsAny(line, Letters) {
-			continue
-		}
-
-		myObj := contact.Contact{PhoneNumber: line}
-		if myObj.PhoneNumber != "" {
-			objs = append(objs, myObj)
-		}
-	}
-
-	objs = prsr.updateContacts(objs)
-	objs = prsr.removeDups(objs)
-
-	return objs
-}
-
-func (prsr *NumberParser) updateContacts(contacts []contact.Contact) []contact.Contact {
-	updated := []contact.Contact{}
-
-	for _, ct := range contacts {
-		parsed := ct.PhoneNumber
-		if len(parsed) < 2 {
-			log.Println("Invalid number:", parsed)
-			continue
-		}
-
-		pars := prsr.removeSomeData(parsed)
-		parsed = pars
-
-		log.Println("Parsed:", parsed)
-
-		updatedParsed := prsr.addPrefix(parsed)
-		updated = append(updated, contact.Contact{PhoneNumber: updatedParsed})
-	}
-
-	return updated
-}
-
-func (prsr *NumberParser) removeDups(contacts []contact.Contact) []contact.Contact {
-	updated := []contact.Contact{}
-	uniqueItems := make(map[string]string)
-
-	for _, val := range contacts {
-		uniqueItems[val.PhoneNumber] = val.PhoneNumber
-	}
-
-	for _, item := range uniqueItems {
-		updated = append(updated, contact.Contact{PhoneNumber: item})
-	}
-
-	return updated
-}
-
-func (prsr NumberParser) PrintValues(contacts []contact.Contact, printTotal bool) {
-	fmt.Println("Printing numbers")
-
-	for _, ct := range contacts {
-		fmt.Println("Number:", ct.PhoneNumber)
-	}
-
-	if printTotal {
-		fmt.Println("Total Numbers:", len(contacts))
-	}
-}
-
-func (prsr NumberParser) SaveFile(vals []contact.Contact) {
-	filename := "numbers.json"
-
-	// Create json and save it to the filesystem
-	jsonData, err := json.MarshalIndent(&vals, "", "  ")
-	if err != nil {
-		log.Println("Error marshaling JSON:", err)
-		return
-	}
-
-	err = os.WriteFile(filename, jsonData, 0644)
-	if err != nil {
-		log.Println("Error writing file:", err)
-		return
-	}
-}
-
-func (prsr NumberParser) readLines(filename string) []string {
-	// Open the file
-	file, err := os.Open(filename)
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer file.Close()
-
-	// Create a scanner to read the file line by line
-	scanner := bufio.NewScanner(file)
-	lines := []string{}
-
-	// Read line by line
-	for scanner.Scan() {
-		line := scanner.Text()
-		lines = append(lines, line)
-	}
-
-	// Check for any errors during scanning
-	if err := scanner.Err(); err != nil {
-		log.Fatal(err)
-	}
-
-	return lines
-}
-
-func (prsr NumberParser) removeSomeData(unparsed string) string {
-	parsed := ""
-
-	for _, ch := range unparsed {
-		if ch == ' ' {
-			continue
-		} else {
-			if unicode.IsDigit(ch) {
-				parsed += string(ch)
-			}
-		}
-	}
-
-	log.Println("Parsed:", parsed)
-
-	return parsed
-}
-
-func (prsr NumberParser) addPrefix(raw string) string {
-	parsed := raw
-
-	firstChar := raw[0]
-	secondChar := raw[1]
-
-	if firstChar == '1' {
-		parsed = "+" + parsed
-	} else if firstChar != '+' {
-		if secondChar != '1' {
-			parsed = "+1" + parsed
-		} else {
-			parsed = "+1" + parsed
-		}
-	}
-
-	return parsed
-}

internal/parser/parser_test.go

@@ -1,73 +0,0 @@
-package parser
-
-import (
-	"fmt"
-	"log"
-	"testing"
-
-	"git.kundeng.us/phoenix/textsender-models/tx0/contact"
-)
-
-const Test_File_Path = "../../tests/numbers.txt"
-
-// Remove duplicates
-func Test_RemoveDups(t *testing.T) {
-	parser := NumberParser{FilePath: Test_File_Path}
-	finalAmount := parser.FileDump()
-
-	if len(finalAmount) < 1 {
-		t.Error("Dump should not be empty")
-	}
-
-	testValues := []contact.Contact{
-		{PhoneNumber: "+12175550194"},
-		{PhoneNumber: "+16025550177"},
-		{PhoneNumber: "+17135550167"},
-		{PhoneNumber: "+16085550190"},
-		{PhoneNumber: "+13055550112"},
-		{PhoneNumber: "+14155550135"},
-		{PhoneNumber: "+13175550123"},
-		{PhoneNumber: "+13605550158"},
-	}
-
-	aSize := len(finalAmount)
-	bSize := len(testValues)
-	if aSize != bSize {
-		t.Error("Data has varrying sizes A", aSize, " B", bSize)
-	}
-	if !dataEqual(finalAmount, testValues) {
-		fmt.Println("Printing final amount")
-		for _, val := range finalAmount {
-			fmt.Println("PhoneNumber:", val.PhoneNumber)
-		}
-		fmt.Println("\nPrinting test values")
-		for _, val := range testValues {
-			fmt.Println("PhoneNumber:", val.PhoneNumber)
-		}
-
-		t.Error("Data has not been updated")
-	} else {
-		log.Println("The duplicates have been removed")
-	}
-}
-
-func dataEqual(a, b []contact.Contact) bool {
-	if len(a) != len(b) {
-		return false
-	}
-
-	for i := range a {
-		foundIt := false
-		for j := range b {
-			if a[i] == b[j] {
-				foundIt = true
-			}
-		}
-
-		if !foundIt {
-			return false
-		}
-	}
-
-	return true
-}

internal/version/version.go

@@ -1,17 +0,0 @@
-package version
-
-import "fmt"
-
-var (
-	Version   = "dev"
-	BuildTime = "unknown"
-	Commit    = "unknown"
-	GoVersion = "unknown"
-)
-
-func String() string {
-	return fmt.Sprintf(
-		"Version: %s\nBuild Date: %s\nCommit: %s\nGo Version: %s",
-		Version, BuildTime, Commit, GoVersion,
-	)
-}

src/main.rs

@@ -0,0 +1,32 @@
+pub mod parser;
+pub mod version;
+
+#[tokio::main]
+async fn main() {
+    let args: Vec<String> = std::env::args().collect();
+    if args.len() < 2 {
+        println!("Invalid arguments provided");
+        std::process::exit(-1);
+    }
+
+    if version::contains_version(&args) {
+        version::print_version();
+        std::process::exit(-1);
+    }
+
+    let filepath = &args[1];
+    println!("Filepath: {filepath:?}");
+    let prsr = parser::NumberParser {
+        filepath: filepath.clone(),
+    };
+
+    match prsr.file_dump().await {
+        Ok(contacts) => {
+            prsr.print_phone_numbers(&contacts);
+            prsr.save_file(contacts, parser::DEFAULT_OUTPUT_FILE).await;
+        }
+        Err(err) => {
+            eprintln!("Error: {err:?}");
+        }
+    };
+}

src/parser/mod.rs

@@ -0,0 +1,267 @@
+use std::io::BufRead;
+
+pub const DEFAULT_OUTPUT_FILE: &str = "numbers.json";
+const LETTERS: &str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+#[derive(Clone, Debug, Default)]
+pub struct NumberParser {
+    pub filepath: String,
+}
+
+impl NumberParser {
+    pub async fn file_dump(
+        &self,
+    ) -> Result<Vec<textsender_models::contact::Contact>, std::io::Error> {
+        println!("Dumping files");
+        let mut objs: Vec<textsender_models::contact::Contact> = Vec::new();
+
+        match self.read_lines(&self.filepath).await {
+            Ok(lines) => {
+                for line in lines {
+                    let contains_letters = line.chars().any(|c| LETTERS.contains(c));
+                    if contains_letters {
+                        continue;
+                    } else {
+                        let my_obj = textsender_models::contact::Contact {
+                            phone_number: line.clone(),
+                            ..Default::default()
+                        };
+                        if !my_obj.phone_number.is_empty() {
+                            objs.push(my_obj);
+                        }
+                    }
+                }
+
+                let updated_contacts = self.update_contacts(&objs).await;
+                let removed_duplicates = self.remove_dups(&updated_contacts).await;
+
+                Ok(removed_duplicates)
+            }
+            Err(err) => Err(err),
+        }
+    }
+
+    pub async fn save_file(
+        &self,
+        numbers: Vec<textsender_models::contact::Contact>,
+        filename: &str,
+    ) {
+        match serde_json::to_string(&numbers) {
+            Ok(json_string) => match std::fs::write(filename, json_string) {
+                Ok(_) => {
+                    println!("Saved to: {filename:?}");
+                }
+                Err(err) => {
+                    eprintln!("Error: {err:?}");
+                }
+            },
+            Err(err) => {
+                eprintln!("Error: {err:?}");
+            }
+        };
+    }
+
+    pub fn print_phone_numbers(&self, contacts: &Vec<textsender_models::contact::Contact>) {
+        println!("Printing phone numbers");
+
+        for contact in contacts {
+            println!("Phone Number: {:?}", contact.phone_number);
+        }
+
+        println!("Total phone numbers: {:?}", contacts.len());
+    }
+
+    async fn read_lines(&self, filename: &String) -> Result<Vec<String>, std::io::Error> {
+        match std::fs::File::open(filename) {
+            Ok(file) => {
+                let reader = std::io::BufReader::new(file);
+                reader.lines().collect()
+            }
+            Err(err) => Err(err),
+        }
+    }
+
+    async fn remove_dups(
+        &self,
+        contacts: &Vec<textsender_models::contact::Contact>,
+    ) -> Vec<textsender_models::contact::Contact> {
+        let mut unique_contacts: Vec<textsender_models::contact::Contact> = Vec::new();
+        let mut unique_items = std::collections::HashSet::new();
+
+        for val in contacts {
+            unique_items.insert(val.phone_number.clone());
+        }
+
+        for unique_item in unique_items {
+            let contact = textsender_models::contact::Contact {
+                phone_number: unique_item,
+                ..Default::default()
+            };
+            unique_contacts.push(contact);
+        }
+
+        unique_contacts
+    }
+
+    async fn update_contacts(
+        &self,
+        contacts: &Vec<textsender_models::contact::Contact>,
+    ) -> Vec<textsender_models::contact::Contact> {
+        let mut updated: Vec<textsender_models::contact::Contact> = Vec::new();
+
+        for ct in contacts {
+            let phone_number = ct.phone_number.clone();
+            if phone_number.len() < 2 {
+                println!("Invalid number: {phone_number:?}");
+                continue;
+            }
+
+            let pars = self.remove_some_data(&phone_number).await;
+
+            match self.add_prefix(&pars) {
+                Ok(updated_parsed) => {
+                    let contact = textsender_models::contact::Contact {
+                        phone_number: updated_parsed,
+                        ..Default::default()
+                    };
+                    updated.push(contact);
+                }
+                Err(err) => {
+                    eprintln!("Error: {err:?}");
+                    std::process::exit(-2);
+                }
+            };
+        }
+
+        updated
+    }
+
+    fn add_prefix(&self, raw: &String) -> Result<String, std::io::Error> {
+        if raw.is_empty() {
+            Err(std::io::Error::other("Empty"))
+        } else {
+            let mut parsed: String = String::new();
+            let first_char = raw.chars().nth(0).unwrap();
+
+            if first_char == '1' {
+                parsed = format!("+{raw}");
+            } else if first_char != '+' {
+                parsed = format!("+1{raw}");
+            }
+
+            Ok(parsed)
+        }
+    }
+
+    async fn remove_some_data(&self, unparsed: &str) -> String {
+        let mut parsed: String = String::new();
+
+        for ch in unparsed.chars() {
+            if ch == ' ' {
+                continue;
+            } else {
+                if ch.is_numeric() {
+                    parsed.push(ch);
+                }
+            }
+        }
+
+        parsed
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use textsender_models::contact::Contact;
+
+    const TEST_NUMBERS_0: &str = "tests/numbers-0.txt";
+
+    #[test]
+    fn test_file_dump() {
+        let file_exists = {
+            let path = std::path::Path::new(TEST_NUMBERS_0);
+            path.exists()
+        };
+
+        assert_eq!(true, file_exists, "File does not exists {TEST_NUMBERS_0:?}");
+
+        let filename = String::from(TEST_NUMBERS_0);
+        let prsr = super::NumberParser { filepath: filename };
+        let original: Vec<Contact> = vec![
+            Contact {
+                phone_number: String::from("+13055550112"),
+                ..Default::default()
+            },
+            Contact {
+                phone_number: String::from("+13175550123"),
+                ..Default::default()
+            },
+            Contact {
+                phone_number: String::from("+14155550135"),
+                ..Default::default()
+            },
+            Contact {
+                phone_number: String::from("+16085550190"),
+                ..Default::default()
+            },
+            Contact {
+                phone_number: String::from("+17135550167"),
+                ..Default::default()
+            },
+            Contact {
+                phone_number: String::from("+16025550177"),
+                ..Default::default()
+            },
+            Contact {
+                phone_number: String::from("+13605550158"),
+                ..Default::default()
+            },
+            Contact {
+                phone_number: String::from("+12175550194"),
+                ..Default::default()
+            },
+        ];
+
+        match async_std::task::block_on(prsr.file_dump()) {
+            Ok(contacts) => {
+                assert!((contacts.len() > 0), "No contacts has been parsed");
+
+                let phone_numbers_1: std::collections::HashSet<_> =
+                    contacts.iter().map(|p| p.phone_number.clone()).collect();
+                let phone_numbers_2: std::collections::HashSet<_> =
+                    original.iter().map(|p| p.phone_number.clone()).collect();
+                assert_eq!(phone_numbers_1, phone_numbers_2, "No match");
+            }
+            Err(err) => {
+                assert!(false, "Error: {err:?}");
+            }
+        };
+    }
+
+    #[test]
+    fn test_save_file() {
+        let prsr = super::NumberParser {
+            filepath: String::from(TEST_NUMBERS_0),
+        };
+        let results = async_std::task::block_on(prsr.file_dump());
+        assert!(results.is_ok(), "File dump not successful");
+        let test_output_file: &str = "test-numbers.json";
+
+        let contacts = results.unwrap();
+        async_std::task::block_on(prsr.save_file(contacts, test_output_file));
+        let file_exists = {
+            let path = std::path::Path::new(test_output_file);
+            path.exists()
+        };
+
+        assert!(file_exists, "Contacts were not saved");
+        match std::fs::remove_file(test_output_file) {
+            Ok(_) => {
+                println!("File removed");
+            }
+            Err(err) => {
+                assert!(false, "Error: {err:?}");
+            }
+        }
+    }
+}

src/version.rs

@@ -0,0 +1,20 @@
+pub fn print_version() {
+    let name = env!("CARGO_PKG_NAME");
+    let version = env!("CARGO_PKG_VERSION");
+
+    println!("{name:?} {version:?}");
+}
+
+pub fn contains_version(args: &Vec<String>) -> bool {
+    let valid_flags = vec!["-v", "--version"];
+
+    for arg in args {
+        for valid_flag in &valid_flags {
+            if valid_flag == arg {
+                return true;
+            }
+        }
+    }
+
+    false
+}