Merge pull request #172 from aykhans/refactor/minor-improvements

Rename Append to Merge, replace strings_Join with slice_Join, and auto-detect non-TTY output

docs/configuration.md

@@ -105,6 +105,12 @@ SARIN_CONFIG_FILE=/config1.yaml sarin -f /config2.yaml -f https://example.com/co
 
 If all four files define `url`, the value from `config3.yaml` wins.
 
+**Merge behavior by field:**
+
+- **Scalar fields** (`url`, `requests`, `duration`, `timeout`, `concurrency`, etc.) — higher priority overrides lower priority
+- **Method and Body** — higher priority overrides lower priority (no merging)
+- **Headers, Params, Cookies, Proxies, Values, Lua, and Js** — accumulated across all config files
+
 ## URL
 
 Target URL. Must be HTTP or HTTPS. The URL path supports [templating](templating.md), allowing dynamic path generation per request.

docs/examples.md

@@ -199,7 +199,7 @@ params:
 
 ```sh
 sarin -U http://example.com/users -r 1000 -c 10 \
-  -P "id={{ fakeit_IntRange 1 1000 }}" \
+  -P "id={{ fakeit_Number 1 1000 }}" \
   -P "fields=name,email"
 ```
 
@@ -211,7 +211,7 @@ url: http://example.com/users
 requests: 1000
 concurrency: 10
 params:
-    id: "{{ fakeit_IntRange 1 1000 }}"
+    id: "{{ fakeit_Number 1 1000 }}"
     fields: "name,email"
 ```
 

docs/templating.md

@@ -240,7 +240,7 @@ These functions are powered by [gofakeit](https://github.com/brianvoe/gofakeit)
 ### Address
 
 | Function                                            | Description                  | Example Output                                       |
-| --------------------------------------------------- | ---------------------------- | --------------------------------------------------- |
+| --------------------------------------------------- | ---------------------------- | ---------------------------------------------------- |
 | `fakeit_City`                                       | City name                    | `"Marcelside"`                                       |
 | `fakeit_Country`                                    | Country name                 | `"United States of America"`                         |
 | `fakeit_CountryAbr`                                 | Country abbreviation         | `"US"`                                               |
@@ -256,7 +256,7 @@ These functions are powered by [gofakeit](https://github.com/brianvoe/gofakeit)
 | `fakeit_Latitude`                                   | Random latitude              | `-73.534056`                                         |
 | `fakeit_Longitude`                                  | Random longitude             | `-147.068112`                                        |
 | `fakeit_LatitudeInRange(min float64, max float64)`  | Latitude in specified range  | `{{ fakeit_LatitudeInRange 0 90 }}` → `22.921026`    |
-| `fakeit_LongitudeInRange(min float64, max float64)` | Longitude in specified range | `{{ fakeit_LongitudeInRange 0 180 }}` → `-8.170450` |
+| `fakeit_LongitudeInRange(min float64, max float64)` | Longitude in specified range | `{{ fakeit_LongitudeInRange 0 180 }}` → `122.471830` |
 
 ### Game
 
@@ -344,8 +344,8 @@ These functions are powered by [gofakeit](https://github.com/brianvoe/gofakeit)
 ### Text
 
 | Function                                                                                 | Description                                     | Example                                               |
-| ---------------------------------------------------------------------------------------- | ----------------------------------------------- | --------------------------------------------- |
+| ---------------------------------------------------------------------------------------- | ----------------------------------------------- | ----------------------------------------------------- |
-| `fakeit_Sentence`                                                                        | Random sentence                                 | `{{ fakeit_Sentence }}`                       |
+| `fakeit_Sentence(wordCount ...int)`                                                      | Random sentence (optional word count)           | `{{ fakeit_Sentence }}` or `{{ fakeit_Sentence 10 }}` |
 | `fakeit_Paragraph`                                                                       | Random paragraph                                | `{{ fakeit_Paragraph }}`                              |
 | `fakeit_LoremIpsumWord`                                                                  | Lorem ipsum word                                | `"lorem"`                                             |
 | `fakeit_LoremIpsumSentence(wordCount int)`                                               | Lorem ipsum sentence with specified word count  | `{{ fakeit_LoremIpsumSentence 5 }}`                   |

internal/config/config.go

@@ -275,7 +275,7 @@ func (config Config) Print() bool {
 func (config *Config) Merge(newConfig *Config) {
 	config.Files = append(config.Files, newConfig.Files...)
 	if len(newConfig.Methods) > 0 {
-		config.Methods = append(config.Methods, newConfig.Methods...)
+		config.Methods = newConfig.Methods
 	}
 	if newConfig.URL != nil {
 		config.URL = newConfig.URL
@@ -317,7 +317,7 @@ func (config *Config) Merge(newConfig *Config) {
 		config.Cookies = append(config.Cookies, newConfig.Cookies...)
 	}
 	if len(newConfig.Bodies) != 0 {
-		config.Bodies = append(config.Bodies, newConfig.Bodies...)
+		config.Bodies = newConfig.Bodies
 	}
 	if len(newConfig.Proxies) != 0 {
 		config.Proxies.Append(newConfig.Proxies...)