Ho voglia di bere un caffè, ma prima devo finire questo testo.

Ho voglia di literally means I have the desire to or I feel like. It often sounds more natural than voglio in this kind of sentence.

• Ho voglia di bere un caffè = I feel like having a coffee
• Voglio bere un caffè = I want to drink a coffee

Voglio can sound more direct or strong, while ho voglia di often expresses a craving, mood, or inclination.

After avere voglia di, Italian normally uses di + infinitive when the next idea is an action.

So:

• ho voglia di bere = I feel like drinking
• ho voglia di dormire = I feel like sleeping
• ho voglia di uscire = I feel like going out

If what follows is a noun, you can also use di:

• ho voglia di un caffè = I feel like a coffee

In your sentence, bere is a verb, so di introduces the infinitive.

Both are correct, but they focus on slightly different things.

• Ho voglia di un caffè = I feel like a coffee
• Ho voglia di bere un caffè = I feel like drinking a coffee

The second version is a little more explicit because it includes the action bere. In everyday speech, Italians often use the shorter version when the action is obvious.

Here un caffè means a coffee as one drink, usually one cup or one espresso.

• bere un caffè = to drink/have a coffee
• bere caffè = to drink coffee in a general sense

So the article un makes it specific: one coffee.

The accent in caffè shows that the stress falls on the last syllable: caf-FÈ.

It also helps distinguish correct spelling. Many Italian words stressed on the final syllable are written with an accent:

• città
• perché
• lunedì
• caffè

So yes, the accent is part of the standard spelling.

Ho is the 1st person singular present tense of avere:

• io ho = I have

In ho voglia, the literal structure is I have desire. Even though English uses I feel like or I want, Italian uses the verb avere here.

With the modal verb dovere (must / have to), Italian normally uses the infinitive directly, with no preposition.

• devo finire = I must finish
• devo studiare = I have to study
• devo andare = I must go

This is similar to English modal structures like must finish or have to finish, where you do not insert an extra preposition before the infinitive.

Here prima means first or before that.

In the sentence:

• ma prima devo finire questo testo

the idea is:

• but first I have to finish this text
• but before that, I have to finish this text

So prima connects the two ideas in time: the coffee comes later, finishing the text comes first.

This word order is very natural in Italian.

• ma = but
• prima = first / before that
• devo finire = I must finish
• questo testo = this text

Putting prima early in the sentence emphasizes the sequence of actions. Italian is often flexible with word order, but this version sounds standard and natural.

You could also hear:

• ma devo prima finire questo testo

That is also correct, but ma prima devo finire questo testo is probably the most straightforward here.

In Italian, demonstratives like questo (this) usually come before the noun:

• questo libro = this book
• questa casa = this house
• questo testo = this text

Putting questo after the noun is generally not the normal pattern in standard Italian.

No. Testo means text, such as something written: a passage, document, written piece, lyrics, and so on.

So:

• questo testo = this text / this piece of writing

It is not the same as English test meaning an exam. For test/exam, Italian might use words like:

• test
• esame
• prova

depending on context.

Yes. Even though bere literally means to drink, in natural English translation bere un caffè is often best rendered as to have a coffee.

So:

• Ho voglia di bere un caffè
  can naturally mean
• I feel like having a coffee

This is one of those cases where the most natural English translation is not always the most literal one.

Yes, it sounds completely natural.

It is a normal everyday sentence combining:

• a desire: Ho voglia di bere un caffè
• a contrast/delay: ma prima
• an obligation: devo finire questo testo

A native speaker could easily say this in conversation, especially while working, studying, or writing.

Sometimes prima can mean before or earlier, but in this sentence it is best understood as first or before that.

Compare:

• Prima devo mangiare, poi esco. = First I have to eat, then I’ll go out.
• Sono arrivato prima. = I arrived earlier.

So the exact translation depends on context. Here, it is about order, not about arriving at an earlier time.